Мекушци
Sepioteuthis sepioidea
Cornu aspersum (раније Helix aspersa ) – распрострањена копнена животиња
Мекушци (Mollusca ) су водене, ређе копнене животиње , са меким [лат. mollis = мекан] телом и љуштуром која га штити. Свака класа мекушаца има посебан план грађе, али све класе имају заједничке следеће особине:
билатерално су симетрични организми;
тело им се састоји од: главе, утробне кесе, плашта, стопала и љуштуре;
нервни систем је ганглионеран;
крвни систем је отвореног типа;
целом је слабо развијен и налази се само око срца и полних жлезда;
екскреција се врши метанефридијама, које крајње производе метаболизма из целома одводе у плаштану дупљу;
дишу помоћу шкрга [шкржни филаменти са трепљама], плућа или целом површином тела.
Мекушци су раздео животиња с великим бројем врста и облика из групе бескичмењака које се дели на девет класа , од којих је осам постојећих и један изумрли разред. Тело им је меко, несегментисано. На темељу савремених истраживања ДНК , данас се мекушци и неке друге групе животиња сврставају у натколено Lophotrochozoa . Данас на земљи живи око 50.000 врста мекушаца, а у фосилном облику познати су још из раздобља прекамбријума . Наука која се бави мекушцима зове се малакологија (или малакозоологија).
Осим поларних регија и планина, мекушци настањују сва подручја на земљи . Већина живи у морима , готово све групе живе маритимно. Неке врсте шкољкаша могу се наћи и у слаткој води, а мањим делом чак и у влажној земљи (Pisidium spec. ). Но највећа група мекушаца, пужеви , насељавају сва остала подручја.
Шкољкаши су искључиво водени мекушци. Обухватају око 15.000 врста, од којих већина живи у мору. Тело је оклопљено са две љуштуре (десном и левом). Немају главу и слабо су покретљиви. Могу бити велики од неколико mm до 1 m. Најпознатије слатководне врсте су барска и речна, а од морских: каменице , дагње, бисерне шкољке итд. Значајне су групе мекушаца те се користе у људској исхрани.
Пужеви су мекушци којих има их око 85.000 врста. Они имају чврсту кречњачку љуштуру. Сви копнени пужеви су хермафродити . Неке слатководне врсте коте живе младе. Користе се у људској исхрани. Пужеви голаћи наносе штету пољопривреди, а двобочна симетрија је знатно измјењена. Самооплодња је присутна само код неких пужева голаћа.
Главоношци су искључиво морски мекушци, тело им је симетрично, разликују се глава и труп а стопало је редуцирано. Глава је јасно одвојена од трупа. Напред се налазе уста. Према броју пипака подељени су на осмокраке (са 8 једнаких пипака) и десетокраке (са 8 једнаких и 2 велика крака). Веома су покретљиве животиње. У морима живи око 700 врста а најпознатије су сипе , хоботнице и лигње од којих неке нарасту и до 20 m укупне дужине. Главоношци имају истакнут економски значај.
Хитони су мала група морских мекушаца који се одликују неким од најпримитивнијих особина мекушаца. Углавном су распрострањени у топлим морима. Међу њима је најпознатији обични хитон. Немају економског значаја.
Етимологија
Речи mollusc и mollusk су изведене из француске речи mollusque , која потиче од латинске molluscus , од mollis , мекан. Сама реч Molluscus је била адаптација Аристотелове τα μαλακά (ta malaká ), „мекане ствари“, коју је он користио за сипе . Научно изучавање мекушаца се стога назива молакологијом .[ 2]
Име Molluscoida је раније кориштено за означавање поделе животињског царства која је садржала шкољке светиљке , морске маховине , и плашташе , чланове три групе за које се сматрало да донекле подсећају на мекушце. Данас је познато да те групе нису сродне мекушцима, и да су веома мало међусобно сродне, те је име Molluscoida напуштено.[ 3]
Дефиниција
Најуниверзалнија својство телесне структуре мекушаца је мантија са знатним отвором који се користи за дисање и излучивање , и организација нервног система. Многи имају кречњачке шкољке.[ 4]
Мекушци су развили веома велики број различитих телесних структура да је тешко да се нађу синапоморфи (дефинишуће карактеристике) који важе за све модерне групе.[ 5] Најопштија карактеристика мекушаца је да су они несегментирани и билатерално симетрични.[ 6] Следеће је присутно код свих моерних мекушаца:[ 7] [ 8]
Лежни део телесног зида је мантија (или pallium ) који излучују кречњачке спикуле, плоча или шкољка. Њом се обавија тело оставњајући довољно слободног простора.
Отвори ануса и гениталија су у мантионој шупљини.
Постоје два пара главних нервних нити .[ 8]
Остале карактеристике које се обично појављују у уџбеницима имају значајне изузетке:
Присуство карактеристика по класама мекушаца
Карактеристике мекушаца[ 7]
Aplacophora [ 9]
Polyplacophora [ 10]
Monoplacophora [ 11]
Gastropoda [ 12]
Cephalopoda [ 13]
Bivalvia [ 14]
Scaphopoda [ 15]
Радула , назубљену хитинозну структуру у устима
Одсутна код 20% Neomeniomorpha
Да
Да
Да
Да
Не
Интерна, не може проширити изван тела
Широко, мишићаво стопало
Редуковано или одсутно
Да
Да
Да
Модификовано у руке
Да
Мало, само на фронталном крају
Леђна концентрација унутрашњих органа (висцерална маса)
Није очевидно
Да
Да
Да
Да
Да
Да
Велико дигестивно слепо црево
Није присутно код неких Aplacophora
Да
Да
Да
Да
Да
Не
Велики комплексни нефридијум („бубрези“)
Ни један
Да
Да
Да
Да
Да
Мали, једноставан
Један или више вентила / шкољке
Примитивне форме, да; модерне форме, не
Да
Да
Пужеви, да; пужеви голаћи, углавном да (интерни закржљали)
Октопуси, не; сипа, наутилус, лигње, да
Да
Да
Одонтофора
Да
Да
Да
Да
Да
Не
Да
Разноврсност
Око 80% свих познатих врста мекушаца су пужеви (са и без љуске), укључујући овог из породице Cypraeidae (морски пуж).[ 16]
Процене броја описаних живућих врста мекушаца варирају од 50.000 до максимално 120.000 врста.[ 1] Године 1969. Дејвид Никол је проценио да је вероватни тотални број живућих мекушаца око 107.000 од којих су око 12.000 слатководни гастроподи и 35.000 копнени . Шкољке би сачињавале око 14% тог тотала, а других пет класа мање од 2% живућих мекушаца.[ 17] Године 2009. Чапман је проценио да је број описаних живих врста око 85.000.[ 1] Haszprunar је 2001. проценио да има око 93.000 именованих врста,[ 18] што обухвата 23% свих именованих морских организама.[ 19] Мекушци су други једино у односу на зглавкаре по броју живих животињских врста[ 16] — далеко иза зглавкарских 1.113.000, мада знато испред хордата са 52.000.[ 20] По неким проценама тотални број живих врста је око 200.000,[ 1] [ 21] као и 70.000 фосилних врста,[ 7] мада тотални број врста мекушаца које су икад постојале, независно од тока да ли су презервиране, мора бити много пута већи од броја живих врста.[ 22]
Мекушци имају разноврсније облике од било којег другог животињског раздела . Они обухватају пужеве , пужеве голаће и друге гастроподе; многе врсте шкољки ; лигње и друге главоношце ; и низ других мање познатих мада особиних подгрупа. Већина врста живи у океанима, од морских обала до абисалне зоне , док су неке форме знатан део слатководне фауне и копнених екосистема . Мекушци су екстремно разноврсни у тропским и умереним регионима, иако се могу наћи на свим латитудама .[ 5] Око 80% свих познатих врста мекушаца су гастроподи.[ 16] Главоношци као што су лигње , сипе , и октопуси су међу неуролошки најнапреднијим бескичмењацима.[ 23] Гигантска лигња , која донедавно није проучавана жива у свом одраслом облику,[ 24] је један од највећих бескичмењака , мада је недавно ухваћени примерак колосалне лигње , 10 m дугачак и тежак 500 kg, вероватно већи.[ 25]
Слатководни и копнени мекушци су изузетно подложни изумирању. Процењује се да број ових мекушаца знатно варира, делом зато што многе регије нису биле детаљно испитане. Постоји и недостатак стручњака који могу да идентификују све животиње на било којем подручју према врстама. Године 2004, Црвена листа IUCN угрожених врста је обухватала скоро 2.000 угрожених немаринских мекушаца. У контрасту с тим, већина врста мекушаца је морска, а само се 41 од њих се појавила на црвеној листи те године. Око 42% од забележених изумирања од 1500. године су мекушци, и они су скоро у потпуности немаринске врсте.[ 26]
Морфологија мекушаца
Глава је више или мање јасно одвојена од тела и на њој се налазе чула (пар тентакула – пипака са оцелама – простим очима) и усни отвор. У усном отвору је радула (треница), која је грађена од зубића за уситњавање хране. Иза усног отвора је ждрело , које се даље наставља на једњак, средње црево у које се улива пар жлезда – јетра . Од средњег црева наставља се задње црево , које се аналним отвором излива у плаштану дупљу. Црево је смештено у утробној кеси која се налази на леђној, задњој страни тела. Плашт је кожни набор који обавија утробну кесу и затвара плаштану дупљу. У тој дупљи су шкрге, анални отвор и отвори метанефридија и полних одвода. На трбушној страни тела налази се стопало које служи за кретање. Плашт лучи љуштуру која потпуно или делимично препокрива тело. Сви ови делови тела могу да код различитих класа мекушаца буду измењени, а неки могу и да недостају.
Крвни систем ја отворен што значи да се крв излива у шупљине и лакуне око органа , односно да не постоји капиларна размена материја. Крв (хемолимфа) из шкрга доспева у преткоморе срца, а из њих у комору. Из коморе полази аорта која крв разноси до шупљина и лакуна око органа и ткива, одакле се артеријама доводи поново у шкрге. Тако кроз срце пролази само оксигенисана крв.
Нервни систем је ганглионаран, чини га неколико пари ганглија: главене, стопаоне, бочне (налазе се бочно од црева) и утробне. Све ганглије су међусобно повезане и од њих полазе нерви за све органе.
Респирацију обављају шкргама (ктенидијама) које се налазе у плаштаној дупљи. Вода улази у плаштану дупљу захваљујући раду трепљи на шкржним филаментима, а по обављеној размени гасова излази кроз излазни сифон у спољашњу средину. Копнени мекушци дишу преко унутрашње површине плаштане дупље која садржи мрежу крвних судова .
Полне жлезде смештене су у утробној кеси у целому, са одводима до плаштане дупље. Код неких представника мекушаца заступљен је хермафродитизам .
Класификација мекушаца
У оквиру типа мекушаца срећемо се са врло познатим и честим облицима који су данас сврстани у класе:
Фамилије
Abronicidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
Abyssochrysidae Tomlin, 1927
Acanthochitonidae Pilsbry, 1893
Acanthomeniidae
Acavidae Pilsbry, 1895
Achatinellidae Gulick, 1873
Achatinidae Swainson, 1840
Aciculidae Gray, 1850
Aclididae G. O. Sars, 1878
Acmaeidae Forbes, 1850
Acochlidiidae Küthe, 1935
Acroloxidae Thiele, 1931
Acteonidae d'Orbigny, 1843
Actinocyclidae O'Donoghue, 1929
Addisoniidae Dall, 1882
Aegiridae P. Fischer, 1883
Aeolidiidae Gray, 1827
Agardhiellidae Harl and Páll-Gergely, 2017
Aglajidae Pilsbry, 1895
Agriolimacidae H. Wagner, 1935
Aillyidae H. B. Baker, 1955
Aitengidae Swennen and Buatip, 2009
Akeridae Mazzarelli, 1891
Akiodorididae Millen and Martynov, 2005
Alacuppidae Oskars, Bouchet and Malaquias, 2015
Alloposidae Verrill, 1881
Amastridae Pilsbry, 1910
Amathinidae Ponder, 1987
Amnicolidae Tryon, 1863
Amphibolidae Gray, 1840
Amphibulimidae P. Fischer, 1873
Amphimeniidae Salvini-Plawen, 1972
Amphitretidae Hoyle, 1886
Ampullariidae Gray, 1824
Ampullinidae Cossmann, 1919
Anabathridae Keen, 1971
Anadenidae Pilsbry, 1948
Anatinellidae Deshayes, 1853
Anatomidae McLean, 1989
Ancillariidae Swainson, 1840
Ancistrocheiridae Pfeffer, 1912
Angariidae Gray, 1857
Annulariidae Henderson and Bartsch, 1920
Anomiidae Rafinesque, 1815
Anulidentaliidae Chistikov, 1975
Apataidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
Aplustridae Gray, 1847
Aplysiidae Lamarck, 1809
Aporrhaidae Gray, 1850
Architectonicidae Gray, 1850
Architeuthidae Pfeffer, 1900
Arcidae Lamarck, 1809
Arcticidae Newton, 1891
Areneidae McLean, 2012
Argnidae Hudec, 1965
Argonautidae Tryon, 1879
Ariolimacidae Pilsbry and Vanatta, 1898
Arionidae Gray, 1840
Ariophantidae Godwin-Austen, 1888
Arminidae Iredale and O'Donoghue, 1923
Asperspinidae Rankin, 1979
Assimineidae H. Adams and A. Adams, 1856
Astartidae d'Orbigny, 1844
Athoracophoridae P. Fischer, 1883
Atlantidae Rang, 1829
Azecidae Watson, 1920
Babakinidae Roller, 1973
Baltodentaliidae
Barleeiidae Gray, 1857
Basterotiidae Cossmann, 1909
Bathydorididae Bergh, 1891
Bathyhedylidae Neusser, Jörger, Lodde-Bensch, Strong and Schrödl, 2016
Bathyphytophilidae Moskalev, 1978
Bathysciadiidae Dautzenberg and H. Fischer, 1900
Bathyteuthidae Pfeffer, 1900
Batillariidae Thiele, 1929
Batoteuthidae Young and Roper, 1968
Bellolividae Kantor, Fedosov, Puillandre, Bonillo and Bouchet, 2017
Belomitridae Kantor, Puillandre, Rivasseau and Bouchet, 2012
Benthobiidae Kantor, Fedosov, Puillandre, Bonillo and Bouchet, 2017
Binneyidae Cockerell, 1891
Bithyniidae Gray, 1857
Boettgerillidae Wiktor and I. M. Likharev, 1979
Bolitaenidae Chun, 1911
Bornellidae Bergh, 1874
Borsoniidae Bellardi, 1875
Bothriembryontidae Iredale, 1937
Bouchetispiridae Kantor, Strong and Puillandre, 2012
Brachioteuthidae Pfeffer, 1908
Buccinidae Rafinesque, 1815
Bulimulidae Tryon, 1867
Bullidae Gray, 1827
Burnupiidae Albrecht in Bouchet et al., 2017
Bursidae Thiele, 1925
Bythinellidae Locard, 1893
Cadlinidae Bergh, 1891
Caecidae Gray, 1850
Calliodentaliidae Chistikov, 1975
Calliostomatidae Thiele, 1924
Calmidae Iredale and O'Donoghue, 1923
Calopiidae Ponder, 1999
Calycidorididae Roginskaya, 1972
Calyptraeidae Lamarck, 1809
Camaenidae Pilsbry, 1895
Campanilidae Douvillé, 1904
Canariellidae Schileyko, 1991
Cancellariidae Forbes and Hanley, 1851
Capulidae Fleming, 1822
Cardiidae Lamarck, 1809
Cardilidae P. Fischer, 1887
Cardiniidae Zittel, 1881
Carditidae Férussac, 1822
Carinariidae Blainville, 1818
Caryodidae Conolly, 1915
Cassidae Latreille, 1825
Cataegidae McLean and Quinn, 1987
Cavoliniidae Gray, 1850
Caymanabyssiidae B. A. Marshall, 1986
Cepolidae Ihering, 1909
Cerastidae Wenz, 1923
Cerionidae Pilsbry, 1901
Cerithiidae J. Fleming, 1822
Cerithiopsidae H. Adams and A. Adams, 1853
Cetoconchidae Ridewood, 1903
Chaetodermatidae Ihering, 1876
Chamidae Lamarck, 1809
Charitodoronidae Fedosov, Herrmann, Kantor and Bouchet, 2018
Charoniidae Powell, 1933
Charopidae Hutton, 1884
Chilinidae Dall, 1870
Chilodontaidae Wenz, 1938
Chiroteuthidae Gray, 1849
Chitonidae Rafinesque, 1815
Chondrinidae Steenberg, 1925
Choriplacidae Ashby, 1928
Choristellidae Bouchet and Warén, 1979
Chromodorididae Bergh, 1891
Chronidae Thiele, 1931
Chtenopterygidae Allan, 1945
Cimidae Warén, 1993
Cingulopsidae Fretter and Patil, 1958
Cirroteuthidae Keferstein, 1866
Clathurellidae H. Adams and A. Adams, 1858
Clausiliidae Gray, 1855
Clavagellidae d'Orbigny, 1844
Clavatoridae Thiele, 1926
Clavatulidae Gray, 1853
Cleidothaeridae Hedley, 1918
Clenchiellidae D. W. Taylor, 1966
Clionidae Rafinesque, 1815
Cliopsidae O. G. Costa, 1873
Cocculinellidae Moskalev, 1971
Cocculinidae Dall, 1882
Cochlespiridae Powell, 1942
Cochlicopidae Pilsbry, 1900
Cochliopidae Tryon, 1866
Coelociontidae Iredale, 1937
Colinatydidae Oskars, Bouchet and Malaquias, 2015
Colloniidae Cossmann, 1917
Colpodaspididae Oskars, Bouchet and Malaquias, 2015
Colubrariidae Dall, 1904
Columbariidae Tomlin, 1928
Columbellidae Swainson, 1840
Condylocardiidae F. Bernard, 1897
Conidae Fleming, 1822
Conorbidae de Gregorio, 1880
Conradiidae Golikov and Starobogatov, 1987
Corambidae Bergh, 1871
Corbulidae Lamarck, 1818
Corillidae Pilsbry, 1905
Cornirostridae Ponder, 1990
Coryphellidae Bergh, 1889
Costasiellidae K. B. Clark, 1984
Costellariidae MacDonald, 1860
Cranchiidae Prosch, 1847
Craspedopomatidae Kobelt and Möllendorff, 1898
Crassatellidae Férussac, 1822
Creseidae Rampal, 1973
Cryptoplacidae H. Adams and A. Adams, 1958
Cucullaeidae Stewart, 1930
Cumanotidae Odhner, 1907
Curnonidae d'Udekem d'Acoz, 2017
Cuspidariidae Dall, 1886
Cuthonellidae M. C. Miller, 1977
Cuthonidae Odhner, 1934
Cyamiidae Philippi, 1845
Cyclochlamydidae
Cyclophoridae Gray, 1847
Cycloteuthidae Naef, 1923
Cylichnidae H. Adams and A. Adams, 1854
Cylindrobullidae Thiele, 1931
Cymatiidae Iredale, 1913
Cymbuliidae Gray, 1840
Cypraeidae Rafinesque, 1815
Cyrenidae Gray, 1840
Cyrenoididae H. and A. Adams, 1857
Cystiscidae Stimpson, 1865
Cystopeltidae Cockerell, 1891
Dendrodorididae O'Donoghue, 1924
Dendronotidae Allman, 1845
Dentaliidae Children, 1834
Desmopteridae Chun, 1889
Dialidae Kay, 1979
Diaphanidae Odhner, 1914
Diapheridae Panha and Naggs, 2010
Diastomatidae Cossmann, 1894
Dimyidae P. Fischer, 1886
Diplommatinidae L. Pfeiffer, 1857
Dironidae Eliot, 1910
Discidae Thiele, 1931
Discodorididae Bergh, 1891
Donacidae J. Fleming, 1828
Dondersiidae
Dorcasiidae Connolly, 1915
Dorididae Rafinesque, 1815
Doridomorphidae Er. Marcus and Ev. Marcus, 1960
Doridoxidae Bergh, 1899
Dotidae Gray, 1853
Draparnaudiidae Solem, 1962
Dreissenidae Gray, 1840
Drepanomeniidae Salvini-Plawen, 1978
Drilliidae Olsson, 1964
Dyakiidae Gude and B. B. Woodward, 1921
Eatoniellidae Ponder, 1965
Echinichidae F. G. Thompson and Naranjo-Garcia, 2012
Elachisinidae Ponder, 1985
Ellobiidae L. Pfeiffer, 1854
Elonidae Gittenberger, 1977
Emblandidae Ponder, 1985
Embletoniidae Pruvot-Fol, 1954
Emmericiidae Brusina, 1870
Endodontidae Pilsbry, 1895
Enidae B. B. Woodward, 1903
Enoploteuthidae Pfeffer, 1900
Entalinidae Chistikov, 1979
Entoliidae Teppner, 1922
Eoacmaeidae
Eoscaphandridae Chaban and Kijashko, 2016
Epigridae Ponder, 1985
Epimeniidae
Epirobiidae F. G. Thompson, 2012
Epitoniidae Berry, 1910
Eratoidae Gill, 1871
Etheriidae Deshayes, 1832
Eubranchidae Odhner, 1934
Eucalodiidae P. Fischer and Crosse, 1873
Euciroidae Dall, 1895
Euconulidae H. B. Baker, 1928
Eucyclidae Koken, 1896
Eudaroniidae Gründel, 2004
Eulimidae Philippi, 1853
Facelinidae Bergh, 1889
Falsicingulidae Slavoshevskaya, 1975
Fasciolariidae Gray, 1853
Fauxulidae Harl and Páll-Gergely, 2017
Ferussaciidae Bourguignat, 1883
Ficidae Meek, 1864
Fionidae Gray, 1857
Fissurellidae Fleming, 1822
Flabellinidae Bergh, 1889
Flabellinopsidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
Fusiturridae Abdelkrim, Aznar-Cormano, Fedosov, Kantor, Lozouet, Phuong, Zaharias and Puillandre, 2018
Fustiariidae Steiner, 1991
Gadilidae Stoliczka, 1868
Gadilinidae Chistikov, 1975
Gaimardiidae Hedley, 1916
Galatheavalvidae Knudsen, 1970
Galeommatidae Gray, 1840
Gastrochaenidae Gray, 1840
Gastrocoptidae Pilsbry, 1918
Gastrodontidae Tryon, 1866
Gastropteridae Swainson, 1840
Geomitridae C. Boettger, 1909
Glacidorbidae Ponder, 1986
Glaucidae Gray, 1827
Glauconomidae Gray, 1853
Globocornidae Espinosa and Ortea, 2010
Glossidae Gray, 1847
Glycymerididae Dall, 1908
Gonatidae Hoyle, 1886
Goniaeolididae Odhner, 1907
Goniodorididae H. Adams and A. Adams, 1854
Gryphaeidae Vyalov, 1936
Gymnomeniidae
Haliotidae Rafinesque, 1815
Haloceratidae Warén and Bouchet, 1991
Halonymphidae Scarlato and Starobogatov, 1983
Haminoeidae Pilsbry, 1895
Hancockiidae MacFarland, 1923
Hanleyidae Bergenhayn, 1955
Haplotrematidae H. B. Baker, 1925
Harpidae Bronn, 1849
Hedylopsidae Odhner, 1952
Helicarionidae Bourguignat, 1877
Helicidae Rafinesque, 1815
Helicinidae Férussac, 1822
Helicodiscidae H. B. Baker, 1927
Helicodontidae Kobelt, 1904
Helicostoidae Pruvot-Fol, 1937
Hemidonacidae
Hemimeniidae
Hemisinidae P. Fischer and Crosse, 1891
Hermaeidae H. Adams and A. Adams, 1854
Heroidae Gray, 1857
Herteroherpiidae
Hexabranchidae Bergh, 1891
Hiatellidae Gray, 1824
Hipponicidae Troschel, 1861
Histioteuthidae Verrill, 1881
Holospiridae Pilsbry, 1946
Horaiclavidae Bouchet, Kantor, Sysoev and Puillandre, 2011
Hyalogyrinidae Warén and Bouchet, 1993
Hydrobiidae Stimpson, 1865
Hydrocenidae Troschel, 1857
Hydrococcidae Thiele, 1928
Hydromylidae Pruvot-Fol, 1942
Hygromiidae Tryon, 1866
Hyriidae Swainson, 1840
Idioctopodidae Taki, 1962
Idiosepiidae Fischer, 1882 in 1880-1887
Ilbiidae Burn, 1963
Imeroherpiidae
Iravadiidae Thiele, 1928
Iridinidae Swainson, 1840
Ischnochitonidae Dall, 1889
Isognomonidae Woodring, 1925
Isolimeidae
Jenseneriidae Ortea and Moro, 2015
Joubiniteuthidae Naef, 1922
Juliidae E. A. Smith, 1885
Kelliellidae P. Fischer, 1887
Labyrinthidae Borrero, Sei, Robinson and Rosenberg in Sei et al., 2017
Laevidentaliidae Palmer, 1974
Laginiopsidae Pruvot-Fol, 1922
Lametilidae
Laonidae Pruvot-Fol, 1954
Larocheidae Finlay, 1927
Lasaeidae Gray, 1842
Laternulidae Hedley, 1918
Latiidae Hutton, 1882
Laubierinidae Warén and Bouchet, 1990
Lauriidae Steenberg, 1925
Lemindidae Griffiths, 1985
Lepetellidae Dall, 1882
Lepetidae Gray, 1850
Lepetodrilidae McLean, 1988
Lepidomeniidae
Lepidoteuthidae Naef, 1912
Leptochitonidae Dall, 1889
Limacidae Batsch, 1789
Limacinidae Gray, 1840
Limapontiidae Gray, 1847
Limidae Rafinesque, 1815
Limifossoridae Salvini-Plawen, 1968
Limopsidae Dall, 1895
Liotiidae Gray, 1850
Lironobidae Ponder, 1967
Lithoglyphidae Tryon, 1866
Litiopidae Gray, 1847
Littorinidae Children, 1834
Loliginidae Lesueur, 1821
Lomanotidae Bergh, 1890
Lottiidae Gray, 1840
Lucinidae Fleming, 1828
Lycoteuthidae Pfeffer, 1908
Lymnaeidae Rafinesque, 1815
Lyonsiellidae Dall, 1895
Lyonsiidae P. Fischer, 1887
Macellomeniidae
Macrocyclidae Thiele, 1926
Mactridae Lamarck, 1809
Mactromyidae Cox, 1929
Madrellidae Preston, 1911
Maizaniidae Tielecke, 1940
Malleidae Lamarck, 1818
Malletiidae H. and A. Adams, 1858
Mandeliidae Valdés and Gosliner, 1999
Mangeliidae P. Fischer, 1883
Maningrididae Golding, Ponder and Byrne, 2007
Manzanellidae Chronic, 1952
Margaritidae Thiele, 1924
Margaritiferidae Henderson, 1929
Marginellidae Fleming, 1828
Marshallenidae Abdelkrim, Aznar-Cormano, Fedosov, Kantor, Lozouet, Phuong, Zaharias and Puillandre, 2018
Mastigoteuthidae Verrill, 1881 in 1880-1881
Mathildidae Dall, 1889
Megalomastomatidae Blanford, 1864
Megaspiridae Pilsbry, 1904
Megomphicidae H. B. Baker, 1930
Meiomeniidae
Melanodrymiidae Salvini-Plawen and Steiner, 1995
Melanopsidae H. Adams and A. Adams, 1854
Melongenidae Gill, 1871
Mesodesmatidae Gray, 1839
Micractaeonidae Schileyko, 1999
Milacidae Ellis, 1926
Mitridae Swainson, 1931
Mitromorphidae Casey, 1904
Mnestiidae Oskars, Bouchet and Malaquias, 2015
Modulidae P. Fischer, 1884
Moitessieriidae Bourguignat, 1863
Mopaliidae Dall, 1889
Murchisonellidae Casey, 1904
Muricidae Rafinesque, 1815
Murmaniidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
Mycetopodidae Gray, 1840
Myidae Lamarck, 1809
Myochamidae P. P. Carpenter, 1861
Myrrhinidae Bergh, 1905
Mytilidae Rafinesque, 1815
Nacellidae Thiele, 1891
Nassariidae Iredale, 1916
Naticidae Guilding, 1834
Nautilidae Blainville, 1825
Neilonellidae Schileyko, 1989
Neocyclotidae Kobelt and Möllendorff, 1897
Neolepetopsidae
Neoleptonidae Thiele, 1934
Neomeniidae Ihering, 1876
Neomphalidae McLean, 1981
Neopilinidae
Neoteuthidae Naef, 1921
Neritidae Rafinesque, 1815
Neritiliidae Schepman, 1908
Neritopsidae Gray, 1847
Newnesiidae Moles, Wägele, Schrödl and Avila, 2017
Newtoniellidae Korobkov, 1955
Noetiidae Stewart, 1930
Notaeolidiidae Eliot, 1910
Notobranchaeidae Pelseneer, 1886
Notomeniidae
Nucinellidae Vokes, 1956
Nuculanidae H. and A. Adams, 1858
Nuculidae Gray, 1824
Octopodidae D'Orbigny, 1839-1842 in Férussac and D'Orbigny, 1834-1848
Octopoteuthidae Berry, 1912
Ocythoidae Gray, 1849
Odontocycladidae Hausdorf, 1996
Odontostomidae Pilsbry and Vanatta, 1898
Oleacinidae H. Adams and A. Adams, 1855
Olividae Latreille, 1825
Omalogyridae G. O. Sars, 1878
Ommastrephidae Steenstrup, 1857
Omniglyptidae Chistikov, 1975
Onchidiidae Rafinesque, 1815
Onchidorididae Gray, 1827
Onychoteuthidae Gray, 1847
Oopeltidae Cockerell, 1891
Opisthoteuthidae Verrill, 1896
Orbitestellidae Iredale, 1917
Orculidae Pilsbry, 1918
Oreohelicidae Pilsbry, 1939
Orthalicidae Martens, 1860
Osteopeltidae B. A. Marshall, 1987
Ostreidae Rafinesque, 1815
Otinidae H. Adams and A. Adams, 1855
Ovulidae Fleming, 1822
Oxychilidae Hesse, 1927
Oxynoidae Stoliczka, 1868
Pachychilidae P. Fischer and Crosse, 1892
Pagodulinidae Pilsbry, 1924
Paludomidae Stoliczka, 1868
Pandoridae Rafinesque, 1815
Papillodermatidae Wiktor, Martin and Castillejo, 1990
Paracoryphellidae M. C. Miller, 1971
Parallelodontidae Dall, 1898
Pararrhopaliidae Salvini-Plawen, 1978
Parhedylidae Thiele, 1931
Parmacellidae P. Fischer, 1856
Partulidae Pilsbry, 1900
Patellidae Rafinesque, 1815
Pectinidae Rafinesque, 1815
Pectinodontidae Pilsbry, 1891
Pediculariidae Gray, 1853
Peltospiridae McLean, 1989
Pelycidiidae Ponder and Hall, 1983
Pendromidae Warén, 1991
Penicillidae Gray, 1858
Peraclidae Tesch, 1913
Periplomatidae Dall, 1895
Personidae Gray, 1854
Petricolidae Deshayes, 1831
Phallomedusidae Golding, Ponder and Byrne, 2007
Pharidae H. and A. Adams, 1856
Phaseolidae Scarlato and Starobogatov, 1971
Phasianellidae Swainson, 1840
Phenacolepadidae Pilsbry, 1895
Philinidae Gray, 1850
Philinoglossidae Hertling, 1932
Philinorbidae Oskars, Bouchet and Malaquias, 2015
Philobryidae F. Bernard, 1897
Philomycidae Gray, 1847
Pholadidae Lamarck, 1809
Pholadomyidae King, 1844
Phyllidiidae Rafinesque, 1814
Phylliroidae Menke, 1830
Phyllomeniidae
Physidae Fitzinger, 1833
Pickworthiidae Iredale, 1917
Pinnidae Leach, 1819
Pinufiidae Er. Marcus and Ev. Marcus, 1960
Pisaniidae Gray, 1857
Piseinotecidae Edmunds, 1970
Placunidae Rafinesque, 1815
Plakobranchidae Gray, 1840
Planaxidae Gray, 1850
Planorbidae Rafinesque, 1815
Platyhedylidae Salvini-Plawen, 1973
Plectopylidae Möllendorff, 1898
Plesiotrochidae Houbrick, 1990
Pleurobranchaeidae Pilsbry, 1896
Pleurobranchidae Gray, 1827
Pleuroceridae P. Fischer, 1885
Pleurodiscidae Wenz, 1923
Pleurodontidae Ihering, 1912
Pleurolidiidae Burn, 1966
Pleurotomariidae Swainson, 1840
Plicatulidae Gray, 1854
Pliopholygidae D. W. Taylor, 1966
Pneumodermatidae Latrielle, 1825
Polyceridae Alder and Hancock, 1845
Polygyridae Pilsbry, 1895
Pomatiidae Newton, 1891
Pomatiopsidae Stimpson, 1865
Poromyidae Dall, 1886
Potamididae H. Adams and A. Adams, 1854
Praenuculidae Mcalester, 1969
Pristilomatidae Cockerell, 1891
Prochaetodermatidae Salvini-Plawen, 1968
Proctonotidae Gray, 1853
Prodentaliidae
Promachoteuthidae Naef, 1912
Proneomeniidae
Propeamussiidae Abbott, 1954
Proserpinellidae H. B. Baker, 1923
Proserpinidae Gray, 1847
Protocuspidariidae Scarlato and Starobogatov, 1983
Provannidae Warén and Ponder, 1991
Psammobiidae J. Fleming, 1828
Pseudococculinidae Hickman, 1983
Pseudolividae de Gregorio, 1880
Pseudomelatomidae Morrison, 1966
Pseudovermidae Thiele, 1931
Pseudunelidae Rankin, 1979
Psychroteuthidae Thiele, 1920
Pteriidae Gray, 1847
Pterotracheidae Rafinesque, 1814
Ptychatractidae Stimpson, 1865
Pulsellidae Scarabino in Boss, 1982
Pulvinitidae Stephenson, 1941
Punctidae Morse, 1864
Pupillidae Turton, 1831
Pupinidae L. Pfeiffer, 1853
Pyramidellidae Gray, 1840
Pyramidulidae Kennard and B. B. Woodward, 1914
Pyramimitridae Cossmann, 1901
Pyropeltidae McLean and Haszprunar, 1987
Pyroteuthidae Pfeffer, 1912
Quijotidae Ortea, Moro and Bacallado, 2016
Ranellidae Gray, 1854
Raphitomidae Bellardi, 1875
Rastodentidae Ponder, 1966
Rathouisiidae Heude, 1885
Retusidae Thiele, 1925
Rhabdidae Chistikov, 1975
Rhipidoherpiidae
Rhizoridae Dell, 1952
Rhodopidae Ihering, 1876
Rhopalomeniidae Salvini-Plawen, 1978
Rhytididae Pilsbry, 1893
Ringiculidae Philippi, 1853
Rissoellidae Gray, 1850
Rissoidae Gray, 1847
Rissoinidae Stimpson, 1865
Rostellariidae Gabb, 1868
Runcinidae H. Adams and A. Adams, 1854
Sagdidae Pilsbry, 1895
Samlidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl and Picton, 2017
Sandalomeniidae
Sareptidae Stoliczka, 1870
Saxicavellidae
Scaliolidae Jousseaume, 1912
Scaphandridae G. O. Sars, 1878
Schizochitonidae Dall, 1889
Scissurellidae Gray, 1847
Scolodontidae H. B. Baker, 1925
Sculptariidae Degner, 1923
Scyllaeidae Alder and Hancock, 1855
Seguenziidae Verrill, 1884
Semelidae Stoliczka, 1870
Semisulcospiridae Morrison, 1952
Sepiadariidae Fischer, 1882 in 1880-1887
Sepiidae Leach, 1817
Sepiolidae Leach, 1817
Seraphsidae Gray, 1853
Siliculidae Allen and Sanders, 1973
Siliquariidae Anton, 1838
Simpulopsidae Schileyko, 1999
Simrothiellidae Salvini-Plawen, 1978
Siphonariidae Gray, 1827
Skeneidae W. Clark, 1851
Skeneopsidae Iredale, 1915
Smeagolidae Climo, 1980
Solariellidae Powell, 1951
Solaropsidae H. Nordsieck, 1986
Solecurtidae d'Orbigny, 1846
Solemyidae Gray, 1840
Solenidae Lamarck, 1809
Spelaeoconchidae A. J. Wagner, 1928
Spelaeodiscidae Steenberg, 1925
Sphaeriidae Deshayes, 1855
Spheniopsidae Gardner, 1928
Sphincterochilidae Zilch, 1960
Spiraxidae H. B. Baker, 1939
Spirulidae Rafinesque, 1815
Spondylidae Gray, 1826
Sportellidae Dall, 1899
Staffordiidae Thiele, 1931
Stauroteuthidae Grimpe, 1916
Stenothyridae Tryon, 1866
Streptaxidae Gray, 1860
Strictispiridae McLean, 1971
Strobilopsidae Wenz, 1915
Strombidae Rafinesque, 1815
Strophocheilidae Pilsbry, 1902
Strophomeniidae Salvini-Plawen, 1978
Struthiolariidae Gabb, 1868
Succineidae Beck, 1837
Sutilizonidae McLean, 1989
Syngenoherpiidae
Tantulidae Rankin, 1979
Tateidae Thiele, 1925
Tegulidae Kuroda, Habe and Oyama, 1971
Tellinidae Blainville, 1814
Terebridae Mörch, 1852
Teredinidae Rafinesque, 1815
Tergipedidae Bergh, 1889
Testacellidae Gray, 1840
Tethydidae Rafinesque, 1815
Thalassocyonidae F. Riedel, 1995
Thiaridae Gill, 1871
Thraciidae Stoliczka, 1870
Thyasiridae Dall, 1901
Thysanophoridae Pilsbry, 1926
Thysanoteuthidae Keferstein, 1866
Tindariidae Verrill and Bush, 1897
Titiscaniidae Bergh, 1890
Tjaernoeiidae Warén, 1991
Tonnidae Suter, 1913
Tornatinidae P. Fischer, 1883
Tornidae Sacco, 1896
Trapezidae Lamy, 1920
Tremoctopodidae Tryon, 1879
Trichodiscinidae H. Nordsieck, 1987
Trigoniidae Lamarck, 1819
Trigonochlamydidae Hesse, 1882
Trimusculidae J. Q. Burch, 1945
Trinchesiidae F. Nordsieck, 1972
Triphoridae Gray, 1847
Trissexodontidae H. Nordsieck, 1987
Tritoniidae Lamarck, 1809
Triviidae Trochel, 1863
Trochaclididae Thiele, 1928
Trochidae Rafinesque, 1815
Trochomorphidae Möllendorff, 1890
Truncatellidae Gray, 1840
Truncatellinidae Steenberg, 1925
Tryblidiidae
Turbinellidae Swainson, 1835
Turbinidae Rafinesque, 1815
Turridae H. Adams and A. Adams, 1853
Turritellidae Lovén, 1847
Tylodinidae Gray, 1847
Umbraculidae Dall, 1889
Ungulinidae Gray, 1854
Unidentiidae Millen and Hermosillo, 2012
Unionidae Rafinesque, 1820
Urocoptidae Pilsbry, 1898
Urocyclidae Simroth, 1889
Valloniidae Morse, 1864
Valvatidae Gray, 1840
Vampyroteuthidae Thiele in Chun, 1915
Vanikoridae Gray, 1840
Velutinidae Gray, 1840
Veneridae Rafinesque, 1815
Vermetidae Rafinesque, 1815
Veronicellidae Gray, 1840
Verticordiidae Stoliczka, 1871
Vertiginidae Fitzinger, 1833
Vesicomyidae Dall and Simpson, 1901
Vitreledonellidae Robson, 1932
Vitrinidae Fitzinger, 1833
Viviparidae Gray, 1847
Volutidae Rafinesque, 1815
Volutomitridae Gray, 1854
Volvatellidae Pilsbry, 1895
Walvisteuthidae Nesis and Nikitina, 1986
Wemersoniellidae Scarabino, 1986
Xanthonychidae Strebel and Pfeffer, 1879
Xenophoridae Troschel, 1852
Xylodisculidae Warén, 1992
Xylophagaidae
Yoldiidae Dall, 1908
Zachrysiidae Robinson, Sei and Rosenberg in Sei et al., 2017
Zebinidae Coan, 1964
Zerotulidae Warén and Hain, 1996
Zonitidae Mörch, 1864
Подфамилије
Acmaeinae Forbes, 1850
Acremodontinae
Alycaeinae Gray, 1850
Ambleminae Rafinesque, 1820
Angariinae
Anodontitinae Modell, 1942
Aspathariinae Modell, 1942
Astraeinae Davies, 1933
Bathoxiphinae Chistikov, 1983
Bathypolypodinae Robson, 1929
Bellamyinae Rohrbach, 1937
Calliostomatinae
Cataeginae
Caymanabyssiinae
Cochlostomatinae Kobelt, 1902
Cranchiinae Pfeffer, 1912
Cyclophorinae
Diodorinae
Diplommatininae L. Pfeiffer, 1857
Eledoninae Grimpe, 1921
Eleutheromeniinae
Emarginulinae
Entalininae Chistikov, 1979
Episiphoninae Chistikov, 1975
Fissurellidinae
Fissurellinae
Gadilinae Stoliczka, 1868
Gadilininae Chistikov, 1975
Gibbosulinae Bogan, Bolotov, Froufe & Lopes-Lima in Lopes-Lima et al., 2018
Gibbulinae
Gonideinae Ortmann, 1916
Graneledoninae Voss, 1988
Halistylinae
Halomeniinae
Helicininae Férussac, 1822
Hendersoniinae H. B. Baker, 1926
Heteroschismoidinae Chistikov, 1982
Heteroteuthinae Appellöf, 1898
Homalopomatinae
Hyriinae Swainson, 1840
Illicinae Pfeffer, 1912
Iridininae Swainson, 1840
Lampadioteuthinae Berry, 1916
Leilinae Morretes, 1949
Lioplacinae Gill, 1863
Liotiinae
Lophomeniinae
Lottiinae Gray, 1840
Lycoteuthinae Pfeffer, 1908
Margaritiferinae Henderson, 1929
Margaritinae
Megaleledoninae Taki, 1961
Modellnaiinae Brandt, 1974
Monocondylaeinae Modell, 1942
Monodontinae
Mycetopodinae Gray, 1840
Octopodinae Grimpe, 1921
Ommastrephinae Posselt, 1891
Oocorythinae P. Fischer, 1885
Pararrhopaliinae
Parreysiinae Henderson, 1935
Patellinae
Patelloidinae (Oliver, 1926)
Planitrochinae
Pollicariinae
Pseudococculininae
Pterocyclinae
Pupinellinae
Pupininae
Rectidentinae Modell, 1942
Rossinae Appellöf, 1898
Sepiolinae Appellöf, 1898
Siphonodentaliinae Tryon, 1884
Spirostomatinae
Taoniinae Pfeffer, 1912
Todarodinae Adam, 1960
Trochinae
Turbininae
Umboniinae
Unioninae Rafinesque, 1820
Velesunioninae Iredale, 1934
Vianinae
Viviparinae Gray, 1847
Племена
Acuticostini Starobogatov, 1967
Amblemini Rafinesque, 1820
Anodontini Rafinesque, 1820
Castaliini Morretes, 1949
Chamberlainiini Bogan, Froufe & Lopes-Lima in Lopes-Lima et al., 2017
Coelaturini Modell, 1942
Contradentini Modell, 1942
Ctenodesmini Pfeiffer, Zieritz, Rahim & Lopes-Lima in Zieritz et al., 2021
Gonideini Ortmann, 1916
Hyridellini McMichael, 1956
Hyriini Swainson, 1840
Indochinellini Bolotov, Pfeiffer, Vikhrev, & Konopleva in Bolotov et al., 2018
Lamellidentini Modell, 1942
Lamprotulini Modell, 1942
Lampsilini Ihering, 1901
Lanceolariini Froufe, Lopes-Lima & Bogan in Lopes-Lima et al., 2017
Leoparreysiini Vikhrev, Bolotov & Kondakov in Bolotov et al., 2017
Lepidodesmini Huang & Wu in Huang et al., 2019
Lottiini Gray, 1840
Parreysiini Henderson, 1935
Pleurobemini Hannibal, 1912
Popenaiadini Heard & Guckert, 1970
Pseudodontini Frierson, 1927
Quadrulini Ihering, 1901
Rectidentini Modell, 1942
Rhipidodontini Starobogatov, 1970
Schepmaniini Lopes-Lima, Pfeiffer & Zieritz in Zieritz et al., 2021
Unionini Rafinesque, 1820
Родови
Abra Lamarck, 1818
Abralia Gray, 1849
Abraliopsis Joubin, 1896
Acanthina Fischer de Waldheim, 1807
Acanthocardia J. E. Gray, 1851
Acanthochitona Gray, 1821
Acanthodoris Gray, 1850
Acanthonemia Thiele, 1913
Acanthopleura Guilding, 1829
Acanthotrophon Hertlein and Strong, 1951
Acar Gray, 1857
Acella Haldeman, 1841
Acesta H. and A. Adams, 1858
Acharax Dall, 1908
Achatina Lamarck, 1799
Achatinella Swainson, 1828
Acila H. Adams and A. Adams, 1858
Acirsa Morch, 1857
Aclis Loven, 1846
Aclistothyra McGinty, 1955
Acmaea Eschscholtz, 1833
Acostaea d'Orbigny, 1851
Acremodonta Marshall, 1983
Acroloxus Beck, 1837
Acroptycha Crosse and Fischer, 1877
Acteocina Gray, 1847
Acteon Montfort, 1810
Actinonaias Crosse & Fischer, 1894
Aculamprotula Wu, Liang, Wang & Ouyang, 1999
Acuticosta Simpson, 1900
Adalaria Bergh, 1879
Addisonia Dall, 1882
Adelopoma Doering, 1884
Adipicola Dautzenberg, 1927
Admete Moller, 1842
Adontorhina Berry, 1947
Adrana Adams and Adams, 1858
Adula H. Adams and A. Adams, 1857
Aegires Lovén, 1844
Aenigmabonus Moskalev, 1978
Aeolidia Cuvier, 1797
Aeolidiella Bergh, 1867
Aequipecten P. Fischer, 1886
Aesopus Gould, 1860
Aforia Dall, 1889
Afroditropus Bequaert and Clench, 1936
Afropomus Pilsbry and Bequaert, 1927
Agathodonta Cossmann, 1918
Agathotoma Cossmann, 1889
Agatrix R. Petit, 1967
Aglaja Renier, 1804
Agriopoma Dall, 1902
Akera O. F. Müller, 1776
Akiodoris Bergh, 1879
Alaba H. Adams and A. Adams, 1853
Alasmidonta Say, 1818
Alasminota Ortmann, 1914
Alathyria Iredale, 1934
Alcadia Gray, 1840
Alderia Allman, 1845
Aldisa Bergh, 1878
Alexandromenia Heath, 1911
Alexania Strand, 1928
Algamorda Dall, 1918
Alia H. Adams and A. Adams, 1853
Aligena I. Lea, 1843
Allogona Pilsbry, 1939
Allonautilus Ward and Saunders, 1997
Allopeas H. B. Baker, 1935
Alluroteuthis Odhner, 1923
Alvania Risso, 1826
Alycaeus Gray, 1850
Amaea H. Adams and A. Adams, 1854
Amauropsis Mörch, 1857
Amblema Rafinesque, 1820
Ameloctopus Norman, 1992
Americardia Stewart, 1930
Americhiton Watters, 1990
Amiantis Carpenter, 1884
Amicula Gray, 1847
Ammonicera Vayssiére, 1893
Ammonitella J. G. Cooper, 1868
Amnicola Gould and Haldeman, 1840
Amphicyclotus Crosse and Fischer, 1879
Amphigyra Pilsbry, 1906
Amphinemia Thiele, 1894
Amphiplica Haszprunar, 1988
Amphissa H. Adams and A. Adams, 1853
Amphithalamus Carpenter, 1864
Amphitretus Hoyle, 1885
Amuranodonta Moskvicheva, 1973
Amusium Roding, 1798
Amygdalum Megerle von Muhlfeld, 1811
Anabathron Frauenfeld, 1867
Anachis H. and A. Adams, 1853
Anacithara Hedley, 1922
Anadara Gray, 1847
Anadenulus Cockerell, 1890
Anamenia Nierstrasz, 1908
Anatina Schumacher, 1817
Anatinella G.B. Sowerby I in G.B. Sowerby I and J.C. Sowerby, 1833
Anatoma Fleming, 1828
Ancilla Lamarck, 1799
Ancistrobasis Dall, 1889
Ancistrocheirus Gray, 1849
Ancistrolepis Dall, 1894
Ancistroteuthis Gray, 1849
Ancotrema H. B. Baker, 1931
Ancula Loven, 1846
Ancylus O. F. Muller, 1774
Anemina Haas, 1969
Angaria Roeding, 1798
Anguispira E. S. Morse, 1864
Angustipes Colosi, 1922
Anidolyta Willan, 1987
Anisodonta Deshayes, 1858
Anisodoris Bergh, 1898
Annulipulsellum Scarabino, 1986
Anodonta Lamarck, 1799
Anodontia Link, 1807
Anodontites Bruguière, 1792
Anodontoides Simpson in F. C. Baker, 1898
Anomalocardia Schumacher, 1817
Anomia Linnaeus, 1758
Anostomella Von Martens, 1867
Antalis H. & A. Adams, 1854
Anticlimax Pilsbry and McGinty, 1946
Antillophos Woodring, 1928
Antiplanes Dall, 1902
Antisabia Iredale, 1937
Antisolarium Finlay, 1927
Antrobia Hubricht, 1971
Antrorbis Hershler and F. G. Thompson, 1990
Antroselates Hubricht, 1963
Anulidentalium Chistikov, 1975
Anulotaia Brandt, 1968
Anxietas Iredale, 1917
Aorotrema Schwengel and McGinty, 1942
Aperiovula Cate, 1973
Aperostoma Troschel, 1847
Aphaostracon F. G. Thompson, 1968
Aphelodoris von Ihering, 1886
Aphrodoctopus Roper and Mangold, 1992
Aplexa Fleming, 1820
Aplysia Linnaeus, 1767
Aplysiopsis Deshayes, 1835
Aporrhais da Costa, 1778
Appalachina Pilsbry, 1940
Aquilonaria Dall, 1886
Arca Linnaeus, 1758
Archaeomenia Thiele, 1906
Archecharax Thompson, 1980
Archidoris Bergh, 1878
Archiphysa Taylor, 2003
Architectonica Roding, 1798
Architeuthis Steenstrup, 1857 in Harting, 1860
Arcidens Simpson, 1900
Arcidopsis Simpson, 1900
Arcinella Schumacher, 1817
Arcopagia Leach in Brown, 1827
Arcopsis Von Koenen, 1885
Arctica Schumacher, 1817
Arctomelon Dall, 1915
Arcuatula Soot-Ryen, 1955
Arculus Monterosato, 1909
Arene H. Adams and A. Adams, 1854
Argonauta Linnaeus, 1758
Argopecten Monterosato, 1889
Arinia H. and A. Adams, 1856
Ariolimax Morch, 1859
Arion Ferussac, 1819
Armina Rafinesque, 1814
Arotonaias Martens, 1900
Asaphis Modeer, 1793
Ascobulla Ev. Marcus, 1972
Ashmunella Pilsbry and Cockerell, 1899
Asolene d'Orbigny, 1837
Aspatharia Bourguignat, 1885
Aspella Morch, 1877
Asperiscala de Boury, 1909
Assiminea Fleming, 1828
Astarte J. Sowerby, 1816
Astele Swainson, 1855
Asterophila Randall and Heath, 1912
Asthelys Quinn, 1987
Asthenothaerus Carpenter, 1864
Astraea Röding, 1798
Astralium Link, 1807
Astyris H. Adams and A. Adams, 1853
Atagema Gray, 1850
Athearnia Morrison, 1971
Atlanta Lesueur, 1817
Atlanticoncha Smith, Pfeiffer & Johnson, 2020
Atrina Gray, 1847
Attiliosa Emerson, 1968
Atys Montfort, 1810
Aulopoma Troschel, 1847
Austraeolis Burn, 1962
Austroneaera Powell, 1937
Austrorossia Berry, 1918
Austrotrophon Dall, 1902
Axelella Petit, 1988
Axinodon A. E. Verrill and Bush, 1898
Axinopsida Keen and Chavan, 1951
Axinulus A. E. Verrill and Bush, 1898
Babakina Roller, 1972
Babelomurex Coen, 1922
Bactrocythara Woodring, 1922
Baeolidia Bergh, 1888
Bailya M. Smith, 1944
Balcis Leach, 1847
Balconorbis Hershler and Longley, 1986
Balwantia Prashad, 1919
Bandabyssia Moskalev, 1976
Bankia Gray, 1842
Bankivia Beck In Krauss
Baptodoris Bergh, 1884
Barbatia Gray, 1847
Barleeia Clark, 1853
Barnea Risso, 1826
Bartlettia H. Adams, 1867
Bartschia Rehder, 1943
Barynaias Crosse & Fischer, 1894
Basiliomya Bayer, 1971
Basilissa Watson, 1879
Basilissopsis Dautzenberg and Fischer, 1897
Basterotia Hoernes, 1859
Bathothauma Chun, 1906
Bathoxiphus Pilsbry & Sharp, 1897
Bathyarca Kobelt, 1891
Bathybela Kobelt, 1905
Bathybembix Crosse, 1893
Bathybuccinum Golikov and Sirenko, 1988
Bathycadulus Scarabino, 1995
Bathylepeta Moskalay, 1977
Bathypelta Moskalev, 1971
Bathyphytophilus Moskalev, 1978
Bathypolypus Grimpe, 1921
Bathysciadium Dautzenberf and Fischer, 1901
Bathyteuthis Hoyle, 1885
Bathytoma Harris and Burrows, 1891
Batillaria Benson, 1842
Batoteuthis Young and Roper, 1968
Bellardiella Tapparone-canefri, 1883
Bellaspira Conrad, 1868
Belonella Lane, 1957
Bentharca Verrill and Bush, 1898
Bentheledone Robson, 1932
Benthobia Dall, 1889
Benthoctopus Grimpe, 1921
Benthomangelia Thiele, 1925
Benthonella Dall, 1889
Benthonellania Dall, 1889
Berghia Trinchese, 1877
Beringiana Starobogatov in Zatravkin, 1983
Beringius Dall, 1886
Bermudaclis
Bernardina Dall, 1910
Berryteuthis Naef, 1921
Berthelinia Gardiner, 1936
Berthella de Blainville, 1825
Berthellina Gardiner, 1936
Besla Dall and Bartsch, 1904
Bineurus Simpson, 1900
Binneya J. G. Cooper, 1863
Biomphalaria Preston, 1910
Birasoherpia Salvini-Plawen, 1978
Birgella F. C. Baker, 1926
Biserramenia Salvini-Plawen, 1967
Bithynia Leach, 1818
Bittiolum Cossmann, 1906
Bittium Gray, 1847
Blauneria Shuttleworth, 1854
Bolitaena Steenstrup, 1859
Bolma Risso, 1826
Bonus Moskalev, 1971
Boonea Robertson, 1978
Boreacola Bernard, 1979
Boreocingula Golikov and Kussakin, 1974
Boreoscala
Boreotrophon Fischer, 1884
Bornella
Bornia Philippi, 1836
Borsonella Dall, 1918
Bosellia Trinchese, 1891
Bostrychocentrum
Botelloides Strand, 1928
Bothriopupa Pilsbry, 1898
Botula Mörch, 1853
Bourciera Pfeiffer, 1852
Brachidontes Swainson, 1840
Brachioteuthis Verrill, 1881 in 1880-1881
Brachycythara Woodring, 1928
Bractechlamys Iredale, 1939
Bradybaena Beck, 1837
Branchyostomia
Brazzaea Bourguignat, 1885
Brevinucula Thiele, 1934
Broderipia Gray, 1847
Brookula Iredale, 1912
Buccinum Linnaeus, 1758
Buchanania Lesson, 1830
Buckleyia Higgins, 1872
Bufonaria Schumacher, 1817
Bulbus Brown, 1839
Buldowskia Moskvicheva, 1973
Bulimnaea Haldeman, 1841
Bulimulus Leach, 1814
Bulinus Müller, 1781
Bulla Linnaeus, 1758
Bullina Férussac, 1822
Burnupia Walker, 1912
Bursa Roding, 1798
Bursatella de Blainville, 1817
Bushia Dall, 1886
Busycon Röding, 1798
Busycotypus Wenz, 1943
Bythinella Moquin-Tandon, 1856
Cabestana Röding, 1798
Cadlina Bergh, 1878
Caducifer Dall, 1904
Cadulus Philippi, 1844
Caecum Fleming, 1813
Caelatura Conrad, 1853
Cahuillus Roth, 1996
Calaperostoma Pilsbry, 1935
Calidviana H. B. Baker, 1954
Calinaticina J. Q. Burch and Campbell, 1963
Caliphylla A. Costa, 1867
Callianella R. B. Newton, 1891
Calliobasis Marshall, 1983
Calliodentalium Habe, 1964
Calliostoma Swainson, 1840
Calliotropis Seguenza, 1903
Callista Poli, 1791
Callistochiton Dall, 1879
Callistoplax Dall, 1882
Callochiton Gray, 1847
Callonaia Simpson, 1900
Calloplax Thiele, 1909
Callumbonella Thiele, 1924
Calma
Calotrophon Hertlien and Strong, 1951
Calybium Morelet, 1881
Calycidoris Abraham, 1876
Calyptoconcha Bouchet and Warén, 1993
Calyptogena Dall, 1891
Calyptraea Lamarck, 1799
Cambarunio Watters, 2018
Campeloma Rafinesque, 1819
Cancellaria Lamarck, 1799
Canculus Montfort, 1810
Candidula Kobelt, 1871
Cantharidus Montfort, 1810
Cantharus Roding, 1798
Caporbis Bartsch, 1915
Capulacmaea M. Sars, 1859
Capulus Montfort, 1810
Caracolus Montfort, 1810
Cardiapoda D'Orbigny, 1835
Cardiomya A. Adams, 1864
Cardita Bruguière, 1792
Carditamera Conrad, 1838
Carditella E. A. Smith, 1881
Carditopsis E. A. Smith, 1881
Cardium Linnaeus, 1758
Careliopsis Morch, 1875
Carenzia Quinn, 1983
Caribachlamys Waller, 1993
Carinacauda Leonard, Chichester, Richart and Young, 2011
Carinapex
Carinaria Lamarck, 1801
Carinoturris Bartsch, 1944
Carychium O. F. Müller, 1773
Caryocorbula Bruguiere, 1792
Casmaria H. Adams and A. Adams, 1853
Cassis Scopoli, 1777
Castalia Lamarck, 1819
Castaliella Simpson, 1900
Cataegis Mclean and Quinn, 1987
Catinella Pease, 1870
Catriona Winckworth, 1941
Caudiculatus Simpson, 1900
Cavolinia Abildgaard, 1791
Caymanabyssia Moskalev, 1976
Cecilioides Férussac, 1814
Cecina A. Adams, 1861
Cellana H. Adams, 1869
Cenchritis von Martens, 1900
Cepaea Held, 1837
Cephalobranchia Bonnevie, 1913
Cerastoderma Poli, 1795
Ceratophyllidia Elliot, 1903
Ceratostoma Herrmannsen, 1846
Ceratozona Dall, 1882
Cerberilla Bergh, 1873
Ceres Gray, 1856
Cerion Röding, 1798
Cerithidea Swainson, 1840
Cerithidium
Cerithiella Verrill, 1882
Cerithiopsida Bartsch, 1911
Cerithiopsidella Bartsch, 1911
Cerithiopsina Bartsch, 1911
Cerithiopsis Forbes and Hanley, 1851
Cerithium Bruguiere, 1789
Ceritoturris
Cernuella Schluter, 1838
Cerodrillia Bartsch and Rehder, 1939
Cetoconcha Dall, 1889
Chaceia Turner, 1855
Chaenaxis Pilsbry and Ferriss, 1906
Chaetoderma Loven, 1844
Chaetopleura Shuttleworth, 1853
Chama Linnaeus, 1758
Chamaearionta Berry, 1930
Chamalycaeus Kobelt and Moellendroff, 1897
Chambardia Bourguignat in Servain, 1890
Chamberlainia Simpson, 1900
Chamelea Morch, 1853
Charisma Hedley, 1915
Charonia Gistel, 1848
Chauvetea
Chauvetia Monterosato, 1884
Cheilea Modeer, 1793
Chelidonopsis Ancey, 1887
Chelidonura A. Adams, 1850
Chevroderma Scheltema, 1985
Chicomurex Arakawa, 1964
Chicoreus Montfort, 1810
Chione Megerle von Mühlfeld, 1811
Chionista Keen, 1958
Chiroteuthis D'Orbigny, 1841
Chistikovia Scarabino, 1995
Chiton Linnaeus, 1758
Chlamydoconcha Dall, 1884
Chlamylla Bergh, 1886
Chlamys Röding, 1798
Chondrocyclus Ancey, 1898
Chondropoma L. Pfeiffer, 1847
Choneplax Dall, 1882
Choriplax Pilsbry, 1894
Choristella Bush, 1897
Choristes Carpenter in Dawson, 1872
Choristodon Jonas, 1844
Chromodoris Alder and Hancock, 1855
Chrysallida Carpenter, 1857
Chrysostoma Swainson, 1840
Chtenopteryx Appellöf, 1890
Chunioteuthis Grimpe, 1916
Cidarina Dall, 1909
Cincinnatia Pilsbry, 1891
Cingula Fleming, 1828
Cingulina A. Adams, 1860
Cingulopsis Fretter and Patil, 1958
Cinysca Kilburn, 1970
Cionella Jeffreys, 1830
Cipangopaludina Hannibal, 1912
Circomphalus Klein, 1853
Circulus Jeffreys, 1865
Cirroteuthis Eschricht, 1836
Cirrothauma Chun, 1911
Cirsochilus Cossmann, 1888
Cirsonella Angas, 1877
Cirsotrema Morch, 1852
Cistopus Gray, 1849
Cittarium Philippi, 1847
Clappia Walker, 1909
Clathromangelia di Monterosato, 1884
Clathrus
Clathurella Carpenter, 1857
Clausinella J. E. Gray, 1851
Clavus Montfort, 1810
Cleba
Clinocardium Keen, 1936
Clinopegma Grant and Gale, 1931
Clio Linnaeus, 1767
Clione Pallas, 1774
Cliopsis Troschel, 1854
Clostophis Benson, 1860
Clypidina Gray, 1847
Coccocrater Haszpruner, 1987
Coccodentalium Sacco, 1896
Coccopigya Marshall, 1986
Cocculina Dall, 1882
Cocculinella Thiele, 1909
Cochlespira Conrad, 1865
Cochlicella Ferussac, 1820
Cochlicopa Férussac, 1821
Cochliolepis Stimpson, 1858
Cochliopa Stimpson, 1865
Cochliopina Morrison, 1946
Cochlodesma Couthouy, 1839
Cochlodinella Pilsbry and Vanatta, 1898
Cochlostoma Jan, 1830
Codakia Scopoli, 1777
Coelatura Conrad, 1853
Coelostemma Dall, 1895
Coleophysis
Colga Bergh, 1880
Colligyrus Hershler, 1999
Collisella Dall, 1871
Colotrachelus Marshall, 1986
Colpodaspis M. Sars, 1870
Colubraria Schumacher, 1817
Columbarium Martens, 1881
Columbella Lamarck, 1799
Columbellopsis Bucquoy, Dautzenberg and Dollfus, 1882
Columella Westerlund, 1878
Colus Röding, 1798
Comarmondia Monterosato, 1884
Compressidens Pilsbry & Sharp, 1897
Compressidentalium Habe, 1963
Compsodrillia Woodring, 1928
Compsomyax Stewart, 1930
Conchocele Gabb, 1866
Congeria Partsch, 1835
Conjectura Finlay, 1926
Connexochiton Kaas, 1979
Conualevia Collier and Farmer, 1964
Conus Linnaeus, 1758
Cookia Lesson, 1832
Cooperella Carpenter, 1864
Copulabyssia Haszprunar, 1988
Coralliophaga de Blainville, 1824
Coralliophila H. Adams and A. Adams, 1853
Corambe Bergh, 1869
Corbicula Megerle von Mühlfeld, 1811
Corbula Bruguiere, 1797
Corolla Dall, 1871
Coronadoa Bartsch, 1946
Coryphella Gray, 1850
Cosa Finlay, 1926
Cosmetalepas Iredale, 1924
Cosmioconcha Dall, 1913
Cosmotriphora Olsson and Harbison, 1953
Costasiella Pruvoa-Fol, 1951
Costentalina Chistikov, 1982
Costoanachis Sacco, 1890
Couthouyella Bartsch, 1909
Cranchia Leach, 1817
Cranopsis A. Adams, 1860
Craspedochiton Shuttleworth, 1853
Craspedopoma Pfeiffer, 1847
Craspedotropis Blanford, 1864
Crassadoma Bernard, 1986
Crassatella Lamarck, 1799
Crassicardia Conrad, 1838
Crassinella Guppy, 1874
Crassispira Swainson, 1840
Crassostrea Sacco, 1897
Cratena Bergh, 1864
Creedonia Martins, 1996
Crenella T. Brown, 1827
Crenilabium Cossmann, 1889
Crepidula Lamarck, 1799
Crepipatella Lesson, 1831
Crepitacella Guppy, 1867
Creseis Rang, 1828
Crimora Alder and Hancock, 1855
Cristaria Schumacher, 1817
Crocidopoma Shuttleworth, 1857
Crockerella Hertlein and Strong, 1951
Crossata Jousseaume, 1881
Crossea A. Adams, 1865
Crosseola Iredale, 1924
Crossopoma Von Martens, 1891
Crucibulum Schumacher, 1817
Cryoturris Woodring, 1928
Cryptobranchia Middendorff, 1851
Cryptochiton Middendorff, 1847
Cryptoconchus Blainville in Burrow, 1815
Cryptomastix Pilsbry, 1939
Cryptomya Conrad, 1848
Cryptonatica Dall, 1892
Cryptopecten Dall, Bartsch and Rehder, 1938
Cryptoplax Blainville, 1818
Ctena Mörch, 1860
Ctenodesma Simpson, 1900
Cucullaea Lamarck, 1801
Cucumerunio Iredale, 1934
Cultellus Schumacher, 1817
Cumanotus Odhner, 1907
Cumberlandia Ortmann, 1912
Cumingia G. B. Sowerby I, 1833
Cuna Hedley, 1902
Cuneopsis Simpson, 1900
Curtitoma Bartsch, 1941
Cuspidaria Nardo, 1840
Cuthona Alder and Hancock, 1855
Cuvierina Boas, 1886
Cyathodonta Conrad, 1849
Cyathopoma Blanford, 1861
Cyclinella Dall, 1902
Cyclocardia Conrad, 1867
Cyclojamaicia Bartsch, 1942
Cyclonaias Pilsbry in Ortmann & Walker, 1922
Cyclopecten A. E. Verrill, 1897
Cyclophorus Montfort, 1810
Cyclopilsbrya Bartsch, 1942
Cycloryx Goodwin-austen, 1914
Cyclostrema Marryat, 1818
Cyclostremella Bush, 1897
Cyclostremiscus Pilsbry and Olsson, 1945
Cyclosurus Morelet, 1881
Cycloteuthis Joubin, 1919
Cyclothyca Stearns, 1891
Cyclotus Swainson, 1840
Cyclovendreysia Bartsch, 1942
Cyerce Bergh, 1870
Cylichna Loven, 1846
Cylichnella
Cylichnium Dall, 1908
Cylindrobulla P. Fischer, 1857
Cymakra Gardner, 1937
Cymatioa Berry, 1964
Cymatium Roding, 1798
Cymatoica Dall, 1889
Cymatosyrinx Dall, 1889
Cymbovula Cate, 1974
Cymbulia Peron and Lesueur, 1810
Cyphoma Roding, 1798
Cypraea Linnaeus, 1758
Cypraecassis Stutchbury, 1837
Cyprogenia Agassiz, 1852
Cyrenoida Joannis, 1835
Cyrtodaria Reuss, 1801
Cyrtonaias Crosse & Fischer, 1894
Cyrtopleura Tryon, 1862
Cyrtotoma Moerch, 1852
Cystiscus Stimpson, 1865
Cythnia Carpenter, 1864
Cytora Kobelt and Moellendorff, 1897
Dacrydium Torell, 1859
Daedalochila Beck, 1837
Dalium Dall, 1889
Danilia Brusina, 1865
Daphnella Hinds, 1844
Daronia A. Adams, 1881
Dasyscias F. G. Thompson and Hershler, 1991
Decatopecten G. B. Sowerby II, 1839
Decipifus Olsson and McGinty, 1958
Decipula Jeffreys, 1881
Decoriatrivia Cate, 1979
Delectopecten Stewart, 1930
Delonovolva C. N. Cate, 1973
Delphinonaias Crosse & Fischer, 1894
Dendostrea Swainson, 1835
Dendrodoris Ehrenberg, 1831
Dendrofissurella Mclean and Kilburn, 1986
Dendronotus Alder and Hancock, 1845
Dendropoma Morch, 1861
Dentalium Linnaeus, 1758
Dentimargo Cossmann, 1899
Dentistyla Dall, 1889
Depressiscala de Boury, 1909
Dermatomya Dall, 1889
Dermomurex di Monterosato, 1890
Deroceras Rafinesque, 1820
Desmopterus Chun, 1889
Detracia Gray In Turton, 1840
Diacavolinia Van der Spoel, 1987
Diacria Gray, 1847
Diala A. Adams, 1861
Diancta Von Martens, 1867
Diaphana Brown, 1827
Diaphorodoris Iredale and O'Donoghue, 1923
Diastoma Deshayes, 1850
Diaulula Bergh, 1879
Diaurora Cockerell, 1903
Dicata Schmekel, 1967
Didianema Woodring, 1928
Digitaria S. Wood, 1853
Dillwynella Dall, 1889
Diloma Philippi, 1845
Dimya Roualt, 1848
Dimyella Moore, 1969
Dinocardium Dall, 1900
Dinomenia Nierstrasz, 1902
Dinoplax Dall, 1882
Diodora J. E. Gray, 1821
Dioryx Benson, 1859
Diplodon Spix & Wagner, 1827
Diplodonta Bronn, 1831
Diplodontites Marshall, 1922
Diplommatina Benson, 1849
Diplosolenodes Thome, 1976
Diplothyra Tryon, 1862
Dirona MacFarland, 1905
Dischides Jeffreys, 1867
Discodoris Bergh, 1877
Discomya Simpson, 1900
Disconaias Crosse & Fischer, 1894
Discotectonica Marwick, 1931
Discoteuthis Young and Roper, 1969
Discurria Lindberg, 1988
Discus Fitzinger, 1833
Distorsio Roding, 1798
Ditropis Blanford, 1869
Divalinga Chavan, 1951
Divaricella von Martens, 1880
Divariscintilla Powell, 1932
Dolabrifera Gray, 1847
Dolicholatirus Bellardi, 1884
Donax Linnaeus, 1758
Dondersia Hubrecht, 1888
Dondice Er. Marcus, 1958
Doridella Verrill, 1870
Doridium Meckel, 1809
Doridunculus G. O. Sars, 1878
Doriopsilla Bergh, 1880
Doris Linnaeus, 1758
Dorsopsis Thore, 1949
Dorymenia Heath, 1911
Dosidicus Steenstrup, 1857
Dosinia Scopoli, 1777
Doto Oken, 1815
Drechselia Joubin, 1931
Dreissena Beneden, 1835
Drepanomenia Heath, 1911
Drepanotrema Crosse and P. Fischer, 1880
Drillia Gray, 1838
Drilliola Locard, 1897
Driomenia Heath, 1911
Dromus Simpson, 1900
Drupa Röding, 1798
Drupinia Dall, 1923
Dryachloa F. G. Thompson and H. G. Lee, 1980
Drymaeus Albers, 1850
Echininus Clench and Abbott, 1942
Echinogurges Quinn, 1979
Echyridella McMichael & Hiscock, 1958
Ecrobia Stimpson, 1865
Egea Joubin, 1933
Elachisina Dall, 1918
Elachorbis Iredale, 1915
Elaeocyma Dall, 1918
Eledone Leach, 1817
Eledonella Verrill, 1884
Eleutheromenia Salvini-Plawen, 1967
Elgonocyclus Verdcourt, 1982
Elimia H. Adams and A. Adams, 1854
Ellipsaria Rafinesque, 1820
Elliptio Rafinesque, 1819
Elliptoideus Frierson, 1927
Ellobium Roding, 1798
Elongaria Haas, 1913
Elysia Risso, 1818
Emarcusia Roller, 1972
Emarginella Pilsbry, 1890
Emarginula Lamarck, 1801
Embletonia Alder and Hancock, 1851
Empleconia Dall, 1908
Enaeta H. Adams and A. Adams, 1853
Engina Gray, 1839
Engoniophos Woodring, 1929
Ennucula Iredale, 1931
Enoplochiton Gray, 1847
Enoploteuthis D'Orbigny in Rüppell, 1844
Ensidens Frierson, 1911
Ensis Schumacher, 1817
Ensitellops Olsson and Harbison, 1953
Entalina Monterosato, 1872
Entalinopsis Habe, 1957
Entemnotrochus Fischer, 1885
Enteroctopus Rochebrune and Mabille, 1889
Enteroxenos Bonnevie, 1902
Entocolax Voigt, 1888
Entoconcha J. Muller, 1852
Entodesma Phillips, 1845
Entovalva Voeltzkow, 1890
Eobania P. Hesse, 1913
Eogonatus Nesis, 1972
Epicynia Morch, 1875
Epilepton Dall, 1899
Epilucina Dall, 1901
Epimenia Nierstrasz, 1908
Epioblasma Rafinesque, 1831
Epirhabdoides Steiner, 1999
Episcynia Morch, 1875
Episiphon Pilsbry & Sharp, 1897
Epitonium Roding, 1798
Erato Risso, 1826
Eratoidea Weinkauff, 1879
Ercolania Trinchese, 1872
Eremarionta Pilsbry, 1913
Eremariontoides Miller, 1981
Eremopyrgus Hershler, 1999
Erginus Jeffreys, 1877
Erinna H. Adams and A. Adams, 1855
Erosaria Troschel, 1863
Ersilia di Monterosato, 1872
Ervilia Turton, 1822
Erycina Lamarck, 1805
Etheria Lamarck, 1807
Ethminolia Iredale, 1924
Euaxoctopus Voss, 1971
Eubela Dall, 1889
Eubranchus Forbes, 1838
Euchelus Philippi, 1847
Euchemotrema Archer, 1939
Euciroa Dall, 1881
Eucithara
Eucleoteuthis Berry, 1916
Euconulus Reinhardt, 1883
Eucrassatella Iredale, 1924
Eudentalium Cotton & Godfrey, 1933
Eudolium Dall, 1889
Eudoxochiton Shuttleworth, 1853
Euglandina P. Fischer and Crosse, 1870
Eulima Risso, 1826
Eulimastoma Bartsch, 1904
Eulimella Gray, 1847
Eulimostraca Bartsch, 1917
Eulithidium Pilsbry, 1898
Eumetula Thiele, 1912
Eupera Bourguignat, 1854
Eupleura H. Adams and A. Adams, 1853
Euprymna Steenstrup, 1887
Eurynia Rafinesque, 1820
Euspira Agassiz in Sowerby, 1838
Eutrochaetella Fischer, 1885
Euvola Dall, 1898
Evalea A. Adams, 1860
Exilioidea Grant and Gale, 1931
Fabella Conrad, 1863
Facelina Alder and Hancock, 1855
Falcidens Salvini-Plawen, 1968
Falsicingula Habe, 1958
Falsimargarita Powell, 1951
Farcimen Troschel, 1847
Farcimoides Bartsch, 1942
Fargoa Robertson, 1978
Fartulum Carpenter, 1857
Fasciolaria Lamarck, 1799
Favartia Jousseaume, 1880
Favorinus M. E. Gray, 1850
Fedikovella Moskalev, 1976
Felaniella
Felimare
Fenimorea
Ferreiraella Sirenko, 1988
Ferrissia Walker, 1903
Ficus Röding, 1798
Filopaludina Habe, 1964
Fimbria Megerle von Mühlfeld, 1811
Finella A. Adams, 1860
Fiona Alder and Hancock, 1851
Firoloida Lesueur, 1817
Fisherola Hannibal, 1912
Fissidentalium Fischer, 1885
Fissurella Bruguiere, 1789
Fissurellidea D'Orbigny, 1841
Fissurisepta Sequenza, 1863
Flabellina Voigt, 1834
Flabellinopsis MacFarland, 1966
Floridiscrobs Pilsbry and McGinty, 1949
Floridobia F. G. Thompson and Hershler, 2002
Fluminicola Stimpson, 1865
Fluxinella Marshall, 1983
Folinia Crosse, 1868
Fontigens Pilsbry, 1933
Forcepimenia Salvini-Plawen, 1968
Forreria Jousseaume, 1880
Fossarina A. Adams and Angas, 1864
Fossarus Philippi, 1841
Fossula Lea, 1870
Fowlerina Pelseneer, 1906
Fragum Roding, 1798
Friersonia Ortmann, 1912
Frigidoalvania Waren, 1974
Froekenia Hoyle, 1904
Fulmentum Fischer, 1884
Fumonelix Emberton, 1991
Fusconaia Simpson, 1900
Fusinus Rafinesque, 1815
Fusitriton Cossmann, 1903
Fusopsis Ravn, 1939
Fustiaria Stoliczka, 1868
Fusulculus Bouchet and Vermeij, 1997
Gabrielona Iredale, 1917
Gadila Gray, 1847
Gadilina Foresti, 1895
Gafrarium Roding, 1798
Galba Schrank, 1803
Galeomma Turton, 1825
Galiteuthis Joubin, 1898
Ganesa Jeffreys, 1883
Gari Schumacher, 1817
Gassiesia Clench, 1949
Gastrochaena Spengler, 1783
Gastrocopta Wollaston, 1878
Gastrodonta Albers, 1850
Gastropteron Kosse, 1813
Gastroptychia Kobelt and Moellendorff, 1900
Gaza Watson, 1879
Geitodoris Bergh, 1892
Gemma Deshayes, 1853
Gemmula Weinkauff, 1875
Genitoconia Salvini-Plawen, 1967
Geophorus Fischer, 1885
Georissa Blanford, 1884
Gephyroherpia Salvini-Plawen, 1978
Gerdiella Olsson and Bayer, 1972
Germainaia Graf & Cummings, 2009
Geukensia Van de Poel, 1959
Gibberula Swainson, 1840
Gibbosula Simpson, 1900
Gibbula
Gillia Stimpson, 1865
Glans Megerle von Muhlfeld, 1811
Glaucus Forster, 1777
Gleba Forskal, 1776
Glebula Conrad, 1853
Gliabates Webb, 1959
Globivenus Coen, 1934
Glossocardia Stoliczka, 1870
Glossodoris Ehrenberg, 1831
Glycymeris E. M. da Costa, 1778
Glyphostoma Gabb, 1872
Glyphostomops Bartsch, 1934
Glyphoturris Woodring, 1928
Glyphyalinia von Martens, 1892
Glyptaesopus Pilsbry and Olsson, 1941
Glyptostoma Bland and W. G. Binney, 1873
Godiva Macnae, 1954
Gonatopsis Sasaki, 1920
Gonatoraphe Moellendorff, 1898
Gonatus Gray, 1849
Goniaeolis M. Sars, 1861
Gonidea Conrad, 1857
Goniodoris Forbes and Goodsir, 1939
Goodallia Turton, 1822
Gorgoleptis Mclean, 1988
Gouldia C. B. Adams, 1847
Granata Cotton, 1957
Grandidieria Bourguignat, 1885
Graneledone Joubin, 1918
Granotoma Bartsch, 1941
Granoturris Fargo, 1953
Granula Jousseaume, 1875
Granulina Jousseaume, 1888
Graphis Jeffreys, 1867
Graptacme Pilsbry & Sharp, 1897
Gregariella di Monterosato, 1884
Greilada
Grimalditeuthis Joubin, 1898
Grimpella Robson, 1928
Grimpoteuthis Robson, 1932
Grippina Dall, 1912
Guildfordia Gray, 1850
Gundlachia Pfeiffer, 1849
Guppya Morch, 1867
Guttula Schepman, 1908
Gymnobela A. E. Verrill, 1884
Gymnomenia Odhner, 1919
Gymnotoplax Pilsbry, 1896
Gyraulus Agassiz, 1837
Gyrodes Conrad, 1860
Gyrotoma Shuttleworth, 1845
Haasica Strand, 1932
Haasodonta McMichael, 1956
Habevolutopsius Kantor, 1983
Hadroconus Quinn, 1987
Haedropleura Bucquoy, Dautzen., Dollfus, 1883
Hainesia Pfeiffer, 1856
Halgerda Bergh, 1880
Halicardia Dall, 1895
Haliella
Haliotinella Souverbie, 1875
Haliotis Linnaeus, 1758
Haliphron Steenstrup, 1859
Haliris Dall, 1886
Halistrepta Dall, 1904
Halistylus Dall, 1890
Hallaxa Eliot, 1909
Haloceras Dall, 1889
Haloconcha Dall, 1886
Halodakra Olsson, 1961
Halomenia Heath, 1911
Haminoea Turton and Kingston, 1830
Hamiota Roe & Hartfield, 2005
Hancockia Gosse, 1877
Hanleya Gray, 1857
Hanleyella Sirenko, 1973
Hapalochlaena Robson, 1929
Haplocochlias Carpenter, 1864
Haplotrema Ancey, 1881
Hargravesia H. Adams, 1870
Harmandia Rochebrune, 1882
Harpagoherpia Salvini-Plawen, 1978
Hastula H. Adams and A. Adams, 1853
Haumea Dall, Bartsch, and Rehder, 1938
Haustellum Schumacher, 1817
Hawaiia Gude, 1911
Heathia Thiele, 1913
Heathimenia Salvini-Plawen, 1967
Hebetancylus Pilsbry, 1914
Hedleya Cox, 1892
Hedylopsis Thiele, 1931
Heilprinia Grabau, 1904
Helcion Dentfort, 1810
Heleobia Stimpson, 1865
Heleobops F. G. Thompson, 1968
Heliacus D'Orbigny, 1842
Helicella Férussac, 1821
Helicina Lamarck, 1799
Helicocranchia Massy, 1907
Helicodiscus E. S. Morse, 1864
Helicomorpha Moellendroff, 1890
Helisoma Swainson, 1840
Helix Linnaeus, 1758
Helminthoglypta Ancey, 1887
Helminthope Salvini-Plawen, 1991
Hemiarthrum Carpenter in Dall, 1876
Hemimenia Nierstrasz, 1902
Hemipoma Wagner, 1905
Hemistena Rafinesque, 1820
Hemitoma Swainson, 1840
Hemitrochus Swainson, 1840
Hemphillia Bland and W. G. Binney, 1872
Hendersonia A. J. Wagner, 1905
Hendersoniella Dall, 1905
Henrya Bartsch, 1927
Here Gabb, 1866
Hermaea Lovén, 1844
Hermaeopsis Da Costa, 1869
Hermissenda Bergh, 1879
Hero
Herpeteros Berry, 1947
Herviera
Hesperarion Simroth, 1891
Hespererato Schilder, 1932
Heteranomia
Heterodonax Morch, 1853
Heterodoris Verrill and Emerton, 1882
Heteroherpia Salvini-Plawen, 1978
Heteroschismoides Ludbrook, 1960
Heteroteuthis Gray, 1849
Heudeia Crosse, 1885
Hexabranchus
Hexaplex Perry, 1811
Hiatella Bosc, 1801
Hindsiclava Hertlein and Strong, 1955
Hinea Gray, 1847
Hinemoa
Hinnites De France, 1821
Hipponix DeFrance, 1819
Histioteuthis D'Orbigny, 1842 in Férussac and D'Orbigny, 1834-1848
Hochbergellus Roth and W. B. Miller, 1992
Hojeda H. B. Baker, 1926
Holospira Martens, 1860
Holsingeria Hershler, 1989
Homalopoma Carpenter, 1864
Hopkinsia MacFarland, 1905
Horologica Laseron, 1956
Houbricka Wise, 1996
Hoyia F. C. Baker, 1926
Humboldtiana Ihering, 1892
Humilaria Grant and Gale, 1931
Hungerfordia Beddome, 1889
Huttonella L. Pfeiffer, 1856
Huxleyia A. Adams, 1860
Hyalina Schumacher, 1817
Hyalocylis de Folin, 1875
Hyalopecten Verrill, 1897
Hyaloteuthis Gray, 1849
Hybochelus Pilsbry, 1899
Hydatina Schumacher, 1817
Hydrobia Hartmann, 1821
Hydrocena Preiffer, 1841
Hydromyles Gistel, 1848
Hypermastus Pilsbry, 1899
Hypomenia Van Lummel, 1930
Hypselodoris Stimpson, 1855
Hyridella Swainson, 1840
Hyriopsis Conrad, 1853
Ichthyomenia Pilsbry, 1898
Idaholanx Clark, Campbell and Lydeard, 2017
Idasola Iredale, 1939
Idioctopus Taki, 1962
Idiopoma Pilsbry, 1901
Idiosepius Steenstrup, 1881
Idioteuthis Sasaki, 1916
Iheringella Pilsbry, 1893
Ilaira H. and A. Adams, 1854
Ilanga Herbert, 1987
Illex Steenstrup, 1880
Imeroherpia Salvini-Plawen, 1978
Incisura Hedley, 1904
Indochinella Bolotov, Pfeiffer, Vikhrev, & Konopleva in Bolotov et al., 2018
Indonaia Prashad, 1918
Indopseudodon Prashad, 1922
Inflectarius Pilsbry, 1940
Iniforis Jousseaume, 1884
Inioteuthis Verrill, 1881 in 1880-1881
Inodrillia Bartsch, 1943
Inversidens Haas, 1911
Inversiunio Habe, 1991
Io Lea, 1831
Iothia Forbes, 1849
Iphigenia Schumacher, 1817
Iphitus Jeffreys, 1883
Ipnobius Hershler, 2001
Iredalea
Irenosyrinx Dall, 1908
Iridoteuthis Naef, 1912
Irus Schmidt, 1818
Irusella Hertlein and Grant, 1972
Isanda H. and A. Adams, 1854
Ischadium Jukes-Browne, 1905
Ischnochiton Gray, 1847
Ischnoplax Dall, 1879
Iselica Dall, 1918
Isognomon Lightfoot, 1786
Isomonia Dautzenberg and Fischer, 1896
Isorobitella Keen, 1962
Isselia
Ithycythara Woodring, 1928
Ividella Dall and Bartsch, 1909
Ividia Dall and Bartsch, 1904
Janolus Bergh, 1884
Janthina Röding, 1798
Japelion Dall, 1916
Japetella Hoyle, 1885
Japonactaeon I. Taki, 1956
Japonia Gould, 1859
Jaspidella Olsson, 1956
Jorunna Bergh, 1876
Jouannetia Desmoulins, 1828
Joubiniteuthis Berry, 1920
Juga H. Adams and A. Adams, 1854
Jujubinus Monterosato, 1884
Juliacorbula Olsson and Harbison, 1953
Juturnia Hershler, Liu and Stockwell, 2002
Juvenichiton Sirenko, 1975
Kaiparapelta B. A. Marshall, 1986
Kaloplocamus Bergh, 1892
Katharina Gray, 1847
Kelletia P. Fischer, 1884
Kellia Turton, 1822
Kelliella M. Sars, 1870
Kermia
Khairuloconcha Zieritz, Lopes-Lima & Pfeiffer in Zieritz et al., 2021
Kleinella A. Adams, 1860
Koloonella
Kondakovia Filippova, 1972
Koreosolenaia Lee, Kim, Lopes-Lima & Bogan in Lopes-Lima et al., 2020
Kryptos Jeffreys, 1896
Kurilabyssia Moskalev, 1976
Kurtzia Bartsch, 1944
Kurtziella Dall, 1918
Kurtzina Bartsch, 1944
Kylix Dall, 1919
Labidoherpia Salvini-Plawen, 1978
Lacteoluna Pilsbry, 1926
Lacuna Turton, 1827
Laemodonta Philippi, 1846
Laevapex Walker, 1903
Laevicardium Swainson, 1840
Laevicaulis Simroth, 1913
Laevichlamys Waller, 1993
Laevicordia Sequenza, 1876
Laevidentalium Cossmann, 1888
Laeviemarginula Habe In Kuroda, 1953
Laevinesta Pilsbry and McGinty, 1952
Laevipilina McLean, 1979
Laila MacFarland, 1905
Lamellaria Montagu, 1815
Lamellaxis Strebel and Pfeffer, 1882
Lamellidens Simpson, 1900
Lamellidoris Adler and Hancock, 1855
Lamellitrochus Quinn, 1991
Lametila
Lampadioteuthis Berry, 1916
Lampeia MacGinitie, 1959
Lamproscapha Swainson, 1840
Lamprotula Simpson, 1900
Lampsilis Rafinesque, 1820
Lanceolaria Conrad, 1853
Lanistes Montfort, 1810
Lanx Clessin, 1882
Laotia Saurin, 1953
Lapidaria Kang, 1986
Lapinura Er. Marcus and Ev. Marcus, 1970
Lasaea T. Brown, 1827
Lasmigona Rafinesque, 1831
Latiaxis Swainson, 1840
Latirus Montfort, 1810
Laurentiphysa Taylor, 2003
Leachia Lesueur, 1821
Learchis Bergh, 1896
Leaunio Watters, 2018
Ledella A. E. Verrill and Bush, 1897
Leguminaia Conrad, 1865
Lehmannia Heynemann, 1863
Leidyula H. B. Baker, 1925
Leila Gray, 1840
Leiomya A. Adams, 1864
Lemiox Rafinesque, 1831
Lens Simpson, 1900
Leoparreysia Vikhrev, Bolotov & Aksenova in Bolotov et al., 2017
Lepeta J. E. Gray, 1842
Lepetella Verrill, 1880
Lepetodrilus Mclean, 1988
Lepidochitona Gray, 1821
Lepidodesma Simpson, 1896
Lepidomenia Kowalevsky, 1883
Lepidopleurus Risso, 1826
Lepidoteuthis Joubin, 1895
Lepidozona Pilsbry, 1892
Leporimetis Iredale, 1930
Leptadrillia Woodring, 1928
Leptaxinus A. E. Verrill and Bush, 1898
Leptochiton Gray, 1847
Leptocollonia Powell, 1951
Leptogyra Bush, 1897
Lepton Turton, 1822
Leptopecten A. E. Verrill, 1897
Leptopoma Pfeiffer, 1847
Leptothyra Pease, 1869
Leptoxis Rafinesque, 1819
Lepyrium Pilsbry and Olsson, 1951
Leuconopsis Hutton, 1884
Leucophytia
Leucorhynchia Crosse, 1867
Leucosyrinx Dall, 1889
Leucozonia Gray, 1847
Leurolepas J. H. McLean, 1970
Liaria Gray, 1852
Lienardia
Ligumia Swainson, 1840
Liguriella Issel, 1908
Liguus Montfort, 1810
Lima Bruguiere, 1789
Limacia
Limacina Bosc, 1817
Limalepta Moskalev, 1978
Limapontia Johnston, 1836
Limaria Link, 1807
Limatula S. V. Wood, 1839
Limax Linnaeus, 1758
Limea Bronn, 1831
Limifossor Heath, 1904
Limnoscapha Lindholm, 1932
Limopsis Sasso, 1827
Linatella Gray, 1857
Lindapecten Petuch, 1995
Linga De Gregorio, 1884
Linidiella Jousseaume, 1889
Linisa Pilsbry, 1930
Lioberus Dall, 1898
Liocranchia Pfeffer, 1884
Liocyma Dall, 1870
Liolophura Pilsbry, 1893
Liomesus Stimpson, 1865
Lioplax Troschel, 1857
Liostomia G. O. Sars, 1878
Liotia G. B. Sowerby I, 1834
Liotina Fischer, 1885
Lirabuccinum Vermeij, 1991
Liracyclotus Bartsch, 1942
Lirobarleeia Ponder, 1983
Lirobittium Bartsch, 1911
Lirophora Conrad, 1883
Lirularia Dall, 1909
Lischkeia Fischer, 1879
Lissodrillia Bartsch and Rehder, 1939
Lissotesta Iredale, 1915
Lissotestella Powell, 1948
Lithasia Haldeman, 1840
Lithoglyphus Pfeiffer, 1828
Lithophaga Roding, 1798
Lithopoma Gray, 1850
Litiopa Rang, 1829
Littoraria Griffith and Pidgeon, 1834
Littoridina Eydoux and Souleyet, 1852
Littoridinops Pilsbry, 1952
Littorina Ferussac, 1822
Lituiherpia Salvini-Plawen, 1978
Lobiger Krohn, 1847
Lobosculum Pilsbry, 1930
Loligo Lamarck, 1798
Loliolus Steenstrup, 1856
Lolliguncula Steenstrup, 1881
Lomanotus Verany, 1844
Lopha Roding, 1798
Lophocochlias Pilsbry, 1921
Lophodoris G. O. Sars, 1878
Lophomenia Heath, 1911
Lora
Lorica H. Adams and A. Adams, 1852
Loricella Pilsbry, 1893
Loripes Poli, 1791
Lortiella Iredale, 1934
Lottia G. B. Sowerby I, 1834
Lucapina G. B. Sowerby II, 1835
Lucapinella Pilsbry, 1890
Lucidella Swainson, 1840
Lucina Lamarck, 1799
Lucinella Monterosato, 1883
Lucinisca Dall, 1901
Lucinoma Dall, 1901
Luizia Douvillé, 1933
Lunatia Gray, 1847
Lusitanops F. Nordsieck, 1968
Lussivolutopsius Kantor, 1983
Lutraria Lamarck, 1799
Luzonia Dall and E. A. Smith, 1890
Lycoteuthis Pfeffer, 1900
Lymnaea Lamarck, 1799
Lyogyrus Gill, 1863
Lyonsia Turton, 1822
Lyonsiella M. Sars, 1782
Lyratoherpia Salvini-Plawen, 1978
Lyrodus Binney, 1870
Lyropecten Conrad, 1862
Macellomenia Simroth, 1893
Macoma Leach, 1819
Macrarene Hertlein and Strong, 1951
Macrocallista Meek, 1876
Macrochisma Sowerby, 1839
Macrocypraea Schilder, 1930
Macromphalina Cossman, 1888
Macron H. Adams and A. Adams, 1853
Mactra Linnaeus, 1767
Mactrellona
Mactromeris Conrad, 1868
Mactrotoma Dall, 1894
Madrella Alder and Hancock, 1864
Magadis Melville and Standen, 1899
Magnipelta Pilsbry, 1953
Maizania Bourguignat, 1889
Maizaniella Bequaert and Clench, 1836
Malanochlamys
Malletia Desmoulins, 1832
Malleus Lamarck, 1799
Malluvium Melvill, 1909
Mancikellia Dall, 1899
Mangelia Risso, 1826
Manzonia Brusina, 1870
Mareleptopoma Moolenbeek and Faber, 1984
Margarites J. E. Gray, 1847
Margaritifera Schumacher, 1816
Margarya Neville, 1877
Marginella Lamarck, 1799
Maricopella Roth, 1996
Marinula P. P. King, 1832
Marionia Vayssiere, 1877
Marisa Gray, 1824
Marsenina Gray, 1850
Marseniopsis Bergh, 1886
Marshallora Bouchet, 1985
Marstonia Baker, 1926
Martensnaias Frierson, 1927
Martesia G. B. Sowerby I, 1824
Martialia Rochebrune and Mabille, 1889
Massya Pruvot-Fol, 1924
Mastigoteuthis Verrill, 1881
Mathilda Semper, 1865
Maxwellia Bailey, 1950
Mazatlania Dall, 1913
Medionidus Simpson, 1900
Medusafissurella Mclean and Kilburn, 1986
Megacrenella Habe and Ito, 1965
Megaentalina Habe, 1963
Megaleledone Taki, 1961
Megalocranchia Pfeffer, 1884
Megalomastoma Swainson, 1840
Megalomphalus Brusina, 1871
Megalonaias Utterback, 1915
Megapallifera Fairbanks, 1990
Megastraea J. H. McLean, 1970
Megasurcula Casey, 1904
Megatebennus Pilsbry, 1890
Megathura Pilsbry, 1890
Megayoldia A. E. Verrill and Bush, 1897
Megomphix H. B. Baker, 1930
Meiocardia H. and A. Adams, 1857
Meioherpia Salvini-Plawen, 1985
Meiomenia M. P. Morse, 1979
Mekongia Crosse and Fischer, 1876
Melampus Montfort, 1810
Melanella Bowdich, 1822
Melaniella L. Pfeiffer, 1857
Melanochlamys Cheesman, 1881
Melanoides Olivier, 1804
Melibe Rang, 1829
Melongena Schumacher, 1817
Meloscaphander
Mendicula Iredale, 1924
Menestho Moller, 1842
Menetus H. Adams and A. Adams, 1855
Mercenaria Schumacher, 1817
Merelina
Meromenia Leloup, 1949
Mesodesma Deshayes, 1832
Mesodon Rafinesque, 1821
Mesomphix Rafinesque, 1819
Mesonychoteuthis Robson, 1925
Mesopelex Marshall, 1986
Metachaetoderma Thiele, 1913
Metamenia Thiele, 1913
Metasepia Hoyle, 1885
Metastoma Strebel and Pfeffer, 1880
Metaxia di Monterosato, 1884
Metula H. Adams and A. Adams, 1853
Metzgeria Norman, 1879
Mexcyclotus Bartsch, 1942
Mexichromis Bertsch, 1977
Micranellum
Micrarionta Ancey, 1880
Micraulax Theobald, 1876
Microceramus Pilsbry and Vanatta, 1898
Microcondylaea von Vest, 1866
Microdontia Tapparone Canefri, 1883
Microdrillia Casey, 1903
Microeulima Waren, 1992
Microgaza Dall, 1881
Microgloma Saunders and Allen, 1973
Microglyphis Dall, 1902
Microhedyle Hertling, 1930
Micromelo Pilsbry, 1895
Micromenetus F. C. Baker, 1945
Micromenia Leloup, 1948
Micronaias Simpson, 1900
Microphysula Cockerell, 1926
Microstelma A. Adams, 1863
Microtralia Dall, 1894
Microvoluta Angas, 1877
Middendorffinaia Moskvicheva & Starobogatov, 1973
Miesea Er. Marcus, 1961
Mikadotrochus Lindholm, 1927
Milax Gray, 1855
Milda Dall and Bartsch, 1904
Millerelix Pratt, 1981
Milneria Dall, 1881
Minolia A. Adams, 1860
Miodontiscus Dall, 1903
Mirachelus Woodring, 1928
Miraclathurella Woodring, 1928
Miralda A. Adams, 1864
Mitra Roding, 1798
Mitrella Risso, 1826
Mitrolumna Bucquoy, Dautzenberg and Dollfus, 1883
Mitromorpha Carpenter, 1865
Modellnaia Brandt, 1974
Modiolula Sacco, 1898
Modiolus Lamarck, 1799
Modulus Gray, 1842
Moelleria Jeffreys, 1865
Moelleriopsis Bush, 1897
Mohavelix Berry, 1943
Mohnia Friele, 1879
Monacha Fitzinger, 1833
Monadenia Pilsbry, 1895
Moncetia Bourguignat, 1886
Monia Gray, 1850
Monilea Swainson, 1840
Monocondylaea d'Orbigny, 1835
Monodonta Lamarck, 1799
Monostiolum Dall, 1904
Montacuta Turton, 1822
Montfortula Iredale, 1915
Montfortulana Habe, 1961
Mopalia Gray, 1847
Moroteuthis Verrill, 1881
Morrisonella Bartsch, 1945
Morula Schumacher, 1817
Morum Roding, 1798
Moulinsia Grateloup, 1840
Mourgona Er. Marcus and Ev. Marcus, 1970
Mucronalia A. Adams, 1860
Mulinia Gray, 1837
Munditia Finlay, 1926
Murchisonella Morch, 1875
Murex Linnaeus, 1758
Murexiella Clench and Perez Farfante, 1945
Murexsul Iredale, 1915
Muricantharus Hertlein and Strong, 1971
Muricopsis Bucquoy, Dautzenberg and Dollfus, 1882
Musculista Yamamoto and Habe, 1958
Musculium Link, 1807
Musculus Roding, 1798
Mutela Scopoli, 1777
Mya Linnaeus, 1758
Mycetopoda d'Orbigny, 1835
Mycetopodella Marshall, 1927
Mychopoma Blanford, 1869
Myonera Dall, 1886
Myosotella di Monterosato, 1906
Myotophallus Pilsbry, 1939
Myrtea Turton, 1822
Mysella Angas, 1877
Mysia Lamarck, 1818
Mysouffa Ev. Marcus, 1974
Mytilimeria Conrad, 1837
Mytilopsis Conrad, 1857
Mytilus Linnaeus, 1758
Myxostoma Troschel, 1847
Naesiotus Albers, 1850
Namkongnaia Jeratthitikul, Sutcharit, Ngor & Prasankok, 2021
Nannodiella Dall, 1919
Nannoteretispira Habe, 1961
Nanobalcis Waren and Mifsud, 1990
Nanula Thiele, 1924
Nassaria Link, 1807
Nassarina Dall, 1889
Nassarius Dumeril, 1806
Natica Scoploi, 1777
Naticarius Duméril, 1806
Naudolivia Kilburn, 1989
Nausitora Wright, 1884
Nautilus Linnaeus, 1758
Navanax Pilsbry, 1895
Neadmete Habe, 1961
Neaeromya Gabe, 1873
Nearctula Sterki, 1892
Nectoteuthis Verrill, 1883
Neilonela Dall, 1881
Nematolampas Berry, 1913
Nematomenia Simroth, 1893
Nembrotha Bergh, 1877
Nemocardium Meek, 1876
Neoberingius Habe and Ito, 1965
Neocyclotus Fischer and Crosse, 1886
Neodrillia Bartsch, 1943
Neohelix Ihering, 1892
Neolepton Finley, 1926
Neomaizania Van Bruggen, 1985
Neomenia Tullberg, 1875
Neopilina Lemche, 1957
Neoplanorbis Pilsbry, 1906
Neopleurotomoides Shuto, 1925
Neopycnodonte Stenzel, 1971
Neorossia Boletzky, 1971
Neosimnia P. Fischer, 1884
Neoteuthis Naef, 1921
Neothauma E. Smith, 1880
Neotrapezium Habe, 1951
Nephritica Frierson, 1927
Nephronaias Crosse & Fischer, 1894
Nepotilla Hedley, 1918
Neptunea Röding, 1798
Nerita Linnaeus, 1758
Neritilia Van Martens, 1879
Neritina Lamarck, 1816
Neritodryas Von Martens, 1869
Neritopsis Grateloup, 1832
Nesovitrea C. M. Cooke, 1921
Nesta H. Adams, 1870
Netastoma Carpenter, 1864
Nettastomella Carpenter, 1865
Neverita Risso, 1826
Newnesia E. A. Smith, 1902
Nierstrassia
Nipponolimopsis Habe, 1951
Nipponotrophon
Niso Risso, 1826
Nitia Pallary, 1924
Nitidella Swainson, 1840
Nitidiscala de Boury, 1909
Niveotectura Habe, 1944
Niveria Jousseaume, 1884
Nodilittorina von Martens, 1897
Nodipecten Dall, 1898
Nodiscala de Boury, 1889
Nodopomatias Gude, 1921
Nodotoma
Nodularia Conrad, 1853
Nodulotrophon
Noetia Gray, 1857
Norrisia Bayle, 1880
Notarchus Cuvier, 1818
Notoacmea Iredale, 1915
Notobranchaea Pelseneer, 1886
Notobryon Odhner, 1936
Notocrater Finley, 1927
Notogillia Pilsbry, 1953
Notomella Cotton, 1957
Notomenia Thiele, 1897
Notoplax H. Adams, 1861
Nototeredo Bartsch, 1923
Nototeuthis Nesis and Nikitina, 1986
Nototodarus Pfeffer, 1912
Noumeaella Gosliner, 1991
Novisuccinea Pilsbry, 1948
Noyo Roth, 1996
Nucella Roding, 1798
Nucinella Wood, 1851
Nucula Lamarck, 1799
Nuculana Link, 1807
Nuculoma Cossmann, 1907
Nutricola Bernard, 1982
Nuttallia Dall, 1900
Nuttallina Dall, 1871
Nuttallochiton Plate, 1899
Nyassunio Haas, 1936
Nyeinchanconcha Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Nystiella Clench and Turner, 1952
Obesotoma Bartsch, 1941
Obliquaria Rafinesque, 1820
Obovalis Simpson, 1900
Obovaria Rafinesque, 1819
Oceanida de Folin, 1870
Ocenebra Gray, 1847
Ocenotrophon McLean, 1995
Ocheyoherpia Salvini-Plawen, 1978
Ocinebrina Jousseaume, 1880
Octopoteuthis Rüppell, 1844
Octopus Cuvier, 1797
Ocythoe Rafinesque, 1814
Odontogena Cowan, 1964
Odostomella Bucquoy, Dautzenberg and Dollfus, 1883
Odostomia Fleming, 1813
Oenopota Morch, 1852
Ogaridiscus Chamberlin and Jonas, 1929
Ogasawarana Wagner, 1905
Okenia Leuckart and Bronn in Menke, 1830
Oldroydia Dall, 1894
Olea Agersborg, 1923
Oligomeria Galkin and Golikov, 1985
Oligyra Say, 1818
Oliva Bruguiere, 1789
Olivella Swainson, 1831
Olivia Cantraine, 1835
Olygyra Say, 1818
Omalogyra Jeffreys, 1859
Ommastrephes D'Orbigny, 1834 in 1834-1847
Omniglypta Kuroda & Habe in Habe, 1953
Onchidella Gray, 1850
Onchidiopsis Bergh, 1853
Onchidoris de Blainville, 1816
Onithochiton Gray, 1847
Onoba H. Adams and A. Adams, 1852
Onobops F. G. Thompson, 1969
Onychoteuthis Lichtenstein, 1818
Onykia Lesueur, 1821
Oocorys P. Fischer, 1883
Opalia H. Adams and A. Adams, 1853
Opaliopsis Thiele, 1928
Opeas Albers, 1850
Ophiodermella Bartsch, 1944
Opisthostoma W. and H. Blanford, 1860
Opisthoteuthis Verrill, 1883
Orbitestella Iredale, 1917
Oreohelix Pilsbry, 1904
Orinella Dall and Bartsch, 1904
Ornithoteuthis Okada, 1927
Orobitella Dall, 1900
Orobophana Wagner, 1905
Orthalicus Beck, 1837
Ortmanniana Frierson, 1927
Osteopelta Marshall, 1987
Ostodes Gould, 1862
Ostrea Linnaeus, 1758
Otala Schumacher, 1817
Otina Gray, 1847
Ovatella Bivona, 1832
Oxychilus Fitzinger, 1833
Oxygyrus Benson, 1835
Oxyloma Westerlund, 1885
Oxynoe Rafinesque, 1814
Pachymenia Heath, 1911
Pachynaias Crosse & Fischer, 1894
Pachystremiscus Olsson and McGinty, 1942
Paedoclione Danforth, 1907
Paetulunio Watters, 2018
Palaina Semper, 1865
Palio Gray, 1857
Palisa Edmunds, 1964
Pallifera E. S. Morse, 1864
Palliolum di Monterosato, 1884
Paludestrina d'Orbigny, 1840
Panacca Dall, 1905
Pandora Chemnitz, 1795
Panocochlea Dall, 1908
Panomya Gray, 1857
Panopea Menard, 1807
Papustyla Pilsbry, 1893
Papyridea Swainson, 1840
Parabornia Boss, 1965
Paraclione Tesch, 1903
Paracocculina Haszprunar, 1987
Paradentalium Cotton & Godfrey, 1933
Paragymmomenia Leloup, 1947
Parahyotissa Harry, 1985
Paralaoma Iredale, 1913
Parallelodon Meek and Worthen, 1866
Paramya Conrad, 1860
Parapholas Conrad, 1848
Pararrhopalia Simroth, 1893
Parashiela
Parastarte Conrad, 1862
Parateuthis Thiele, 1920
Paravitrea Pilsbry, 1898
Pareledone Robson, 1932
Parreysia Conrad, 1853
Particulazona Kaas, 1993
Parvamussium Sacco, 1897
Parvanachis Radwin, 1968
Parvasolenaia Huang & Wu in Huang et al., 2019
Parvaspina Perkins, Johnson & Gangloff, 2017
Parvicardium Monterosato, 1884
Parvilucina Dall, 1901
Parviphos Sarasua, 1984
Parviturbo Pilsbry and McGinty, 1945
Parviturboides Pilsbry and McGinty, 1950
Patella Linnaeus, 1758
Patelloida Quoy and Gaimard, 1834
Patera Albers, 1850
Patina Gray, 1840
Patinopecten Dall, 1898
Paziella
Pazionotus
Pearsonia Kobelt, 1902
Pecosorbis Taylor, 1985
Pecten Muller, 1776
Pectinella A. E. Verrill, 1897
Pectinodonta Dall, 1882
Pedicularia Swainson, 1840
Pedipes Ferussac, 1821
Pegias Simpson, 1900
Pelseneeria Koehler and Vaney, 1908
Peltodoris Bergh, 1880
Pelycidion Fischer, 1873
Penitella Valenciennes, 1846
Peracle Forbes, 1844
Periglypta Jukes-Browne, 1914
Peringia Paladilhe, 1874
Periploma Schumacher, 1817
Peristichia Dall, 1889
Perna Philipsson, 1788
Perotrochus P. Fischer, 1885
Persicula Schumacher, 1817
Pertusiconcha Chistikov, 1982
Petalifera Gray, 1847
Petaloconchus I. Lea, 1843
Petitilla Wise, 1996
Petricola Lamarck, 1801
Petricolaria Stoliczka, 1870
Phalium Link, 1807
Phaseolus Monterosato, 1875
Phaxas Leach, 1852
Phenacovolva Iredale, 1930
Phidiana Gray, 1850
Philbertia
Philine Ascanius, 1772
Philinoglossa Hertling, 1932
Philinopsis Pease, 1860
Philippia J. E. Gray, 1847
Philobrya Carpenter, 1872
Philomycus Rafinesque, 1820
Philorene Oliver, 1915
Pholadidea Turton, 1819
Pholas Linnaeus, 1758
Pholidoherpia Salvini-Plawen, 1978
Pholidoteuthis Adam, 1950
Phorculus Cossmann, 1888
Phos Montfort, 1810
Photinastoma Powell, 1951
Photinula H. and A. Adams In Adams, 1853
Phreatoceras Hershler and Longley, 1987
Phreatodrobia Hershler and Longley, 1986
Phyllaplysia P. Fischer, 1872
Phyllidiopsis Bergh, 1875
Phylliroe Peron and Lesueur, 1810
Phyllobranchillus Pruvot-Fol, 1933
Phyllomenia Thiele, 1913
Phymorhynchus Dall, 1908
Physa Draparnaud, 1801
Physella Haldeman, 1842
Physunio Simpson, 1900
Phytia Nomen Nudum
Pickfordiateuthis Voss, 1953
Pictodentalium Palmer, 1974
Pila Röding, 1798
Piliscus Loven, 1859
Pillucina Pilsbry, 1921
Pilsbryna H. B. Baker, 1929
Pilsbryoconcha Simpson, 1900
Pilsbryspira Bartsch, 1950
Pinctada Roding, 1798
Pinna Linnaeus, 1758
Pinteria Varga, 1972
Pisania Bivona-Bernardi, 1832
Piseinotecus Er. Marcus, 1955
Pisidium L. Pfeiffer, 1821
Pisulina G. and H. Nevill, 1869
Pitar Römer, 1857
Placida Trinchese, 1876
Placiphorella Dall, 1879
Placiphorina Kaas and Van Belle, 1993
Placopecten Verrill, 1897
Plagiocardium Cossmann, 1886
Plagioglypta Pilsbry in Pilsbry & Sharp, 1897
Planaxis Lamarck, 1822
Planctoteuthis Pfeffer, 1912
Planitrochus Perner, 1903
Planktomya Simroth, 1896
Planogyra E. S. Morse, 1864
Planorbella Haldeman, 1842
Planorbis Müller, 1774
Planorbula Haldeman, 1842
Plathymenia Schwabl, 1961
Platomysia Habe, 1951
Platycythara Woodring, 1928
Platydoris Bergh, 1877
Platyodon Conrad, 1837
Platyrhaphe Moellendorff, 1890
Plaxiphora Gray, 1847
Plectodon Carpenter, 1864
Plectomerus Conrad, 1853
Pleiodon Conrad, 1834
Plesarionta Pilsbry, 1939
Plesiocystiscus Coovert and Coovert, 1995
Plesiothyreus Cossmann, 1888
Plesiotrochus P. Fischer, 1878
Plethobasus Simpson, 1900
Pletholophus Simpson, 1900
Pleurobema Rafinesque, 1819
Pleurobranchaea Meckel, 1813
Pleurobranchus Cuvier, 1804
Pleurocera Rafinesque, 1818
Pleuromalaxis Pilsbry and McGinty, 1945
Pleuromeris Conrad, 1867
Pleuronaia Frierson, 1927
Pleuroploca P. Fischer, 1884
Pleuropoma Moellendorff, 1893
Pleurotomella Verrill, 1872
Plicatula Lamarck, 1801
Plicifusus Dall, 1902
Plicopurpura Cossmann, 1903
Pneumoderma Dumeril, 1806
Pneumodermopsis Keferstein, 1862
Pododesmus Philippi, 1837
Poirieria Jousseaume, 1880
Policordia Dall, Bartsch and Rehder, 1938
Polinices Montfort, 1810
Pollia J. E. Gray, 1834
Pollicaria Gould, 1856
Polybranchia Pease, 1860
Polycera Cuvier, 1817
Polycerella A. E. Verrill, 1881
Polygireulima Sacco, 1892
Polygyra Say, 1818
Polygyrella W. G. Binney, 1863
Polygyriscus Pilsbry, 1948
Polygyroidea Pilsbry, 1930
Polymesoda Rafinesque, 1820
Polyschides Pilsbry & Sharp, 1898
Polystira Woodring, 1928
Pomacea Perry, 1810
Pomatiopsis Tryon, 1862
Pomaulax Gray, 1850
Pondorbis Bartsch, 1915
Popenaias Frierson, 1927
Porocallia Moellendorff, 1893
Poromya Forbes, 1844
Portlandia Morch, 1857
Potamacmaea Peile, 1922
Potamilus Rafinesque, 1818
Potamocorbula Habe, 1955
Potamopyrgus Stimpson, 1865
Poteria Gray, 1850
Potomida Swainson, 1840
Powellsetia
Praticolella von Martens, 1892
Precuthona Odhner, 1929
Pressidens Haas, 1910
Pressodonta Simpson, 1900
Primovula Thiele, 1925
Prionoglossa Tesch, 1950
Prisodon Schumacher, 1817
Prisodontopsis Tomlin, 1928
Prisogaster Moerch, 1850
Pristes Carpenter, 1864
Pristigloma Dall, 1900
Pristiloma Ancey, 1887
Pristinicola Hershler, Frest, Johannes, Bowler and F. G. Thompson, 1994
Problacmaea Golikov and Kussakin, 1972
Probythinella Thiele, 1928
Prochaetoderma Thiele, 1913
Proctonotus Alder, 1844
Prohyriopsis Haas, 1914
Prolasmidonta Ortmann, 1914
Promachoteuthis Hoyle, 1885
Promenetus F. C. Baker, 1935
Proneomenia Hubrecht, 1880
Pronodularia Starobogatov, 1970
Proparamenia Nierstrasz, 1902
Propeamussium Gregorio, 1884
Propebela Iredale, 1918
Prophysaon Bland and W. G. Binney, 1873
Propilidium Forbes and Hanley, 1849
Propustularia Schilder, 1927
Proserpina G. B. Sowerby, 1839
Proserpinella Bland, 1865
Protatlanta Tesch, 1908
Proterato Schilder, 1927
Protocuspidaria Allen and Morgan, 1981
Protothaca Dall, 1902
Protunio Haas, 1913
Prunum Herrmannsen, 1852
Pruvotella Pruvot-fol, 1932
Pruvotia Thiele, 1894
Pruvotina Cockerell, 1903
Psammodoris Martynov, 1994
Psammotreta Dall, 1900
Pseudacteon Thiele, 1925
Pseudanodonta Bourguignat, 1876
Pseudobaphia Simpson, 1900
Pseudochama Odhner, 1917
Pseudococulina Schepman, 1908
Pseudocuneopsis Huang, Dai, Chen & Wu et al., 2022
Pseudocyphoma Cate, 1973
Pseudodiala Ponder, 1967
Pseudodon Gould, 1844
Pseudodontoideus Frierson, 1927
Pseudodontopsis Kobelt, 1912
Pseudoliomesus Habe and Sato, 1973
Pseudolivia Swainson, 1840
Pseudomalaxis P. Fischer, 1885
Pseudomelatoma Dall, 1918
Pseudomiltha
Pseudomulleria R. Anthony, 1907
Pseudopalaina Moekkendroff, 1898
Pseudopomatias Moellendorff, 1885
Pseudopythina P. Fischer, 1884
Pseudosabinella McLean, 1995
Pseudoscilla Boettger, 1901
Pseudosimnia Schilder, 1927
Pseudospatha Simpson, 1900
Pseudostomatella Thiele, 1924
Pseudosubulina Strebel and Pfeffer, 1882
Pseudosuccinea F. C. Baker, 1908
Pseudotalopia Habe, 1961
Pseudotaranis McLean, 1995
Pseudotorinia Sacco, 1892
Pseudotrochatella Nevill, 1891
Pseudotryonia Hershler, 2001
Pseudovermis Periaslavzeff, 1891
Pseudunio Haas, 1910
Psilaxis Woodring, 1928
Psilodens Salvini-Plawen, 1977
Psiloteredo Bartsch, 1922
Psoronaias Crosse & Fischer, 1894
Psychroteuthis Thiele, 1920
Pterarene Sakurai and Habe, 1977
Pteria Scoploi, 1777
Pterochelus
Pteroctopus Fischer, 1882 in 1880-1887
Pterocyclus Benson, 1832
Pteromeris Conrad, 1862
Pteropurpura Jousseaume, 1880
Pterotrachea Forskal, 1775
Pterotyphis Jousseaume, 1881
Pterygioteuthis Fischer, 1896
Pterynotus Swainson, 1833
Ptychatractus Stimpson, 1865
Ptychobranchus Simpson, 1900
Ptychopoma Moellendorff, 1885
Ptychorhynchus Simpson, 1900
Ptychosalpinx Gill, 1867
Puberella Fischer-Piette and Vukadinovic, 1977
Pugnus Hedley, 1896
Pulsellum Stoliczka, 1868
Pulvinites De France, 1824
Punctum E. S. Morse, 1864
Puncturella R. T. Lowe, 1827
Pupa
Puperita Gray, 1857
Pupilaea Gray In Sowerby, 1835
Pupilla Leach, 1828
Pupina Vignard, 1829
Pupinella Gray, 1850
Pupisoma Stoliczka, 1873
Pupoides L. Pfeiffer, 1854
Purpura
Pusillina
Pustulosa Frierson, 1927
Pusula Jousseaume, 1884
Putilla A. Adams, 1867
Putzeysia Sulliotti, 1889
Pycnodonte G. Fischer, 1835
Pyganodon Crosse & Fischer, 1894
Pyramidella Lamarck, 1799
Pyrgocythara Woodring, 1928
Pyrgodomus Fischer and Crosse, 1893
Pyrgophorus Ancey, 1888
Pyrgospira McLean, 1971
Pyrgulina
Pyrgulopsis Call and Pilsbry, 1886
Pyropelta Mclean and Haszprunar, 1987
Pyroteuthis Hoyle, 1904
Pyrulofusus Mörch, 1857
Pyrunculus Pilsbry, 1895
Pythinella Dall, 1899
Quadrula Rafinesque, 1820
Quasicorambe Martynov, 1994
Quidnipagus (Iredale, 1929)
Quoyula Iredale, 1912
Rabdotus Albers, 1850
Radiatula Simpson, 1900
Radiocentrum Pilsbry, 1905
Radiodiscus Pilsbry and Ferriss, 1906
Radix Montfort, 1810
Raeta Gray, 1853
Rangia Desmoulins, 1832
Raphaulus Pfeiffer, 1856
Raphitoma Bellardi, 1847
Recluzia Petit de la Saussaye, 1853
Rectidens Simpson, 1900
Reginaia Campbell & Lydeard, 2012
Reticulatus Frierson, 1927
Retifusus Dall, 1916
Retilaskeya Marshall, 1978
Retimohnia McLean, 1995
Retusa T. Brown, 1827
Rhabdoherpia Salvini-Plawen, 1978
Rhabdus Pilsbry & Sharp, 1897
Rhamphidonta Bernard, 1975
Rhapinema F. G. Thompson, 1969
Rhinodiaphana Lemche, 1967
Rhiostoma Benson, 1860
Rhipidoherpia Salvini-Plawen, 1978
Rhizorus Montford, 1810
Rhodacmea Walker, 1917
Rhodinoliotia Tomlin and Shackleford, 1915
Rhodope
Rhodopetala Dall, 1921
Rhodopetoma Bartsch, 1944
Rhombinella Radwin, 1968
Rhomboidella Monterosato, 1884
Rhomboxiphus Chistikov, 1983
Rhombuniopsis Haas, 1920
Rhopalomenia Simroth, 1893
Rictaxis Dall, 1871
Rimosodaphnella Schnetler and Beyer, 1990
Rimula DeFrance, 1827
Ringicula Deshayes, 1838
Rissoa Freminville, 1814
Rissoella J. E. Gray, 1847
Rissoina d'Orbigny, 1841
Rissopsetia Dell, 1956
Rivularia Huede, 1890
Robsonella Adam, 1938
Rochefortia Velain, 1878
Rondeletiola Naef, 1921
Roperia Dall, 1898
Rossia Owen, 1834
Rossiteria Brazier, 1895
Rostanga Bergh, 1879
Rotellenzia Quinn, 1987
Rothelix Miller, 1985
Roxania Leach In Gray, 1847
Rubellatoma Bartsch and Rehder, 1939
Rumina Risso, 1826
Runcina Forbes and Hanley, 1851
Rupellaria Fleuriau de Bellevue, 1802
Sabia Reeve, 1842
Sabinella di Monterosato, 1890
Saccharoturris Woodring, 1928
Saccostrea Dollfus and Dautzenberg, 1920
Sagamicadulus Sakurai & Shimazu, 1963
Sagamilepeta Okutani, 1987
Sagittunio Watters, 2018
Sakuraeolis Baba, 1965
Samacar Iredale, 1936
Sandalomenia Thiele, 1913
Sandalops Chun, 1906
Sanguinolaria Lamarck, 1799
Sansonia Jousseaume, 1892
Sarasinula Grimpe and Hoffmann, 1924
Sarasomia
Sassia Bellardi, 1873
Saturnia Sequenza, 1877
Saulea Gray, 1867
Saxicavella P. Fischer, 1878
Saxidomus Conrad, 1837
Sayella Dall, 1885
Scabiellus Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Scabies Haas, 1911
Scabrina Blanford, 1863
Scabrotrophon McLean, 1996
Scaeurgus Troschel, 1857
Scalenostoma
Scaliola A. Adams, 1860
Scaphander Montfort, 1810
Scaphella Swainson, 1832
Scelidotoma Choe, Yoon and Habe, 1992
Schasicheila Shuttleworth, 1852
Schepmania Haas, 1910
Schistodesmus Simpson, 1900
Schistoloma Kobelt, 1902
Schizobrachium Meisenheimer, 1903
Schizochiton Gray, 1847
Schizodentalium Sowerby, 1894
Schizoplax Dall, 1878
Schwartziella Ponder, 1985
Scintillona Finlay, 1926
Scissilabra Bartsch, 1907
Scissurella D'Orbigny, 1824
Sclerodoris Eliot, 1904
Sconsia Gray, 1847
Scrobicularia Schumacher, 1815
Scurria Gray, 1847
Scutopus Salvini-Plawen, 1968
Scutus Montfort, 1810
Scyllaea Linnaeus, 1758
Searlesia Harmer, 1916
Securicauda Leonard, Chichester, Richart and Young, 2011
Seguenzia Jeffreys, 1876
Seguenziella Marshall, 1983
Seguenziopsis Marshall, 1983
Seila A. Adams, 1861
Selenoteuthis Voss, 1959
Semele Schumacher, 1817
Semelina Dall, 1900
Semierycina Monterosato, 1911
Seminella
Semirossia Steenstrup, 1887
Sepia Linnaeus, 1758
Sepiadarium Steenstrup, 1881
Sepiella Gray, 1849
Sepietta Naef, 1912
Sepiola Leach, 1817
Sepiolina Naef, 1912
Sepioloidea D'Orbigny, 1845 in Férussac and D'Orbigny, 1834-1848
Sepioteuthis Blainville, 1824
Septaria J. Férussac, 1807
Septariellina Bequaert and Clench, 1936
Septifer Recluz, 1848
Serpulorbis Sasso, 1827
Serripes Gould, 1841
Setia H. and A. Adams, 1852
Sialoherpia Salvini-Plawen, 1978
Sigatica Meyer and Aldrich, 1886
Silicula Jeffreys, 1879
Siliqua Megerle von Muhlfeld, 1811
Siliquaria Bruguiere, 1789
Similiphora Bouchet, 1985
Simnia Risso, 1826
Simnialena Cate, 1973
Simomactra Dall, 1894
Simpsonaias Frierson, 1914
Simpsonasus Bolotov & Konopleva in Bolotov et al., 2023
Simpsonella Cockerell, 1903
Simrothiella Pilsbry, 1898
Sinanodonta Modell, 1945
Sinezona Finlay, 1927
Sinohyriopsis Starobogatov, 1970
Sinosolenaia Bolotov, Kondakov, Konopleva & Vikhrev, 2021
Sinotaia Haas, 1939
Sinum Röding, 1798
Siphonaria G. B. Sowerby I, 1823
Siphonodentalium M. Sars, 1859
Siraius Marcus, 1955
Skenea Fleming, 1825
Skeneopsis Iredale, 1915
Smaragdia Issel, 1869
Smeagol Climo, 1980
Solamen Iredale, 1924
Solariella S. V. Wood, 1842
Solariorbis Conrad, 1865
Solatisonax Iredale, 1931
Solecurtus de Blainville, 1824
Solemya Lamarck, 1818
Solen Linnaeus, 1758
Solenaia Conrad, 1869
Solenoxiphus Chistikov, 1983
Somatogyrus Gill, 1863
Songkhlanaia Konopleva, Lheknim, Sriwoon, Kondakov, Vikhrev & Bolotov in Konopleva et al., 2023
Sonorelix Berry, 1943
Sonorella Pilsbry, 1900
Spadentalina Habe, 1963
Spathochlamys Waller, 1993
Spathoderma Scheltema, 1985
Spathoteredo Moll, 1928
Spectamen Iredale, 1924
Speleodiscoides A. G. Smith, 1957
Spengelomenia Heath, 1912
Spengleria Tryon, 1861
Sphaerium Scopoli, 1777
Sphenia Turton, 1822
Sphenonaias Crosse & Fischer, 1894
Spiculata C. N. Cate, 1973
Spilochlamys F. G. Thompson, 1968
Spinobrookula Lozouet, 1982
Spinula Dall, 1908
Spiroglyptus Daudin, 1800
Spirolaxis di Monterosato, 1913
Spiromoelleria Baxter and J. H. McLean, 1984
Spirostoma Heude, 1885
Spirotropis Sars, 1878
Spirula Lamarck, 1799
Spisula Gray, 1837
Splendrillia Hedley, 1922
Spondylus Linnaeus, 1758
Spongiobranchaea d'Orbigny, 1836
Spurilla Bergh, 1864
Spurwinkia Davis, Mazurkiewicz and Mandracchia, 1982
Sputoherpia Salvini-Plawen, 1978
Squamopleura Nierstrasz, 1905
Srilankaia Mienis, 1974
Staffola Dall, 1905
Stagnicola Leach, 1830
Stauroteuthis Verrill, 1879
Steironepion Pilsbry and Lowe, 1932
Stellatoma Bartsch and Rehder, 1939
Stenochiton H. Adams and Angas, 1864
Stenolena Dall, Bartsch, and Rehder, 1938
Stenophysa von Martens, 1898
Stenoplax Dall, 1879
Stenosemus von Middendorff, 1847
Stenotrema Rafinesque, 1819
Sterkia Pilsbry, 1898
Sthenorytis Conrad, 1862
Sthenoteuthis Verrill, 1880 in 1879-1880
Stigmaulax Mörch, 1852
Stilifer Broderip, 1832
Stiliger Ehrenberg, 1828
Stiobia F. G. Thompson and McCaleb, 1978
Stoastoma C. B. Adams, 1849
Stoastomops H. B. Baker, 1924
Stoloteuthis Verrill, 1881 in 1880-1881
Stomatella Lamarck, 1816
Stomatia Helbling, 1779
Stosicia Brusina, 1871
Stramonita Schumacher, 1817
Streptaulus Benson, 1857
Striarea Conrad, 1862
Striatura E. S. Morse, 1864
Strictispira McLean, 1971
Strigilla Turton, 1822
Striocadulus Emerson, 1962
Striodentalium Habe, 1964
Striopulsellum Scarabino, 1995
Strobilops Pilsbry, 1893
Strombiformis Da Costa, 1778
Stromboli Berry, 1954
Strombus Linnaeus, 1758
Strophitus Rafinesque, 1820
Strophomenia Pruvot, 1899
Sturanya Wagner, 1905
Stygopyrgus Hershler and Longley, 1986
Stylidium Dall, 1907
Styliferina A. Adams, 1860
Styliola Gray, 1850
Stylocheilus Gould, 1852
Stylomenia Pruvot, 1899
Suavodrillia Dall, 1918
Subcancilla Olsson and Harbison, 1953
Subsimnia C. N. Cate, 1973
Subterenochiton Iredale & Hull, 1924
Subulina Beck, 1837
Succinea Draparnaud, 1801
Suhinia Martynov, 1994
Sukashitrochus Habe and Kosuge, 1964
Sulcosinus Dall, 1895
Sundadontina Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Supplanaxis Thiele, 1929
Suturoglypta Radwin, 1968
Synaptocochlea Pilsbry, 1890
Syncera Gray, 1821
Syngenoherpia Salvini-Plawen, 1978
Tachyrhynchus Morch, 1868
Tacita Lus, 1971
Tagelus Gray, 1847
Taia Annandale, 1918
Talopena Iredale, 1918
Talparia Troschel, 1863
Tambja Burn, 1962
Tamsiella Haas, 1931
Taningia Joubin, 1931
Tanzaniella Lupu, 1979
Taonius Steenstrup, 1861
Tapes Muhlfeld, 1811
Taranis Jeffreys, 1870
Tarebia H. Adams and A. Adams, 1854
Taringa Er. Marcus, 1955
Taylorconcha Hershler, Frest, Johannes, Bowler and F. G. Thompson, 1994
Tchangsinaia Starobogatov, 1970
Tectarius Valenciennes, 1833
Tecticrater Dall, 1956
Tectininus Clench and Abbott, 1942
Tectisumen Finley, 1927
Tectonatica Sacco, 1890
Tectura Gray, 1847
Tectus Montfort, 1810
Tegula Lesson, 1835
Teinostoma H. Adams and A. Adams, 1853
Tellidora Morch, 1856
Tellidorella Berry, 1963
Tellimya Brown, 1827
Tellina Linnaeus, 1758
Tenagodus Guettard, 1770
Tenaturris Woodring, 1928
Tenellia A. Costa, 1866
Tentaoculus Moskalev, 1976
Teralatirus Coomans, 1965
Terebra Bruguiere, 1789
Teredo Linnaeus, 1758
Teredora Bartsch, 1921
Teredothyra Bartsch, 1921
Teretia Norman, 1888
Teretoctopus Robson, 1929
Tergipes Cuvier, 1805
Teskeyostrea Harry, 1985
Tesseracme Pilsbry & Sharp, 1897
Testacella Cuvier, 1801
Tethys Linnaeus, 1758
Tetracheledone Voss, 1955
Tetronychoteuthis Pfeffer, 1900
Teuthirostra Moskalev, 1976
Teuthowenia Chun, 1910
Texadina Abbott and Ladd, 1951
Texapyrgus F. G. Thompson and Hershler, 1991
Thaiconcha Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Thais Roding, 1798
Thala H. Adams and A. Adams, 1853
Thalassopterus Kwietniewski, 1910
Thaleia Waren, 1979
Thalotia Gray, 1840
Thaltia
Tharsiella Bush, 1897
Thaumeledone Robson, 1930
Theba Risso, 1826
Thecacera Fleming, 1828
Thelecythara Woodring, 1928
Theliderma Swainson, 1840
Thelyssa F. M. Bayer, 1971
Thelyssina Marshall, 1883
Theobaldius G. Nevill, 1878
Theodoxus Montfort, 1810
Theora H. Adams and A. Adams, 1856
Thermochiton Saito and Okutani, 1991
Thesbia Jeffreys, 1867
Theta Clark, 1959
Thiara Roeding, 1798
Thliptodon Boas, 1886
Tholopex Digeronimo, 1974
Thomeomaizania Bequeart and Clench, 1936
Thordisa Bergh, 1877
Thracia Leach in Blainville, 1824
Thuridilla Bergh, 1872
Thyasira Lamarck, 1818
Thyonicola Mandahl-Barth, 1941
Thysanophora Strebel and Pfeffer, 1880
Thysanoteuthis Troschel, 1857
Tibatrochus Nonura, 1940
Timoclea Brown, 1827
Tindaria Bellardi, 1875
Titiscania Bergh, 1890
Tivela Link, 1807
Tochuina Odhner, 1963
Todarodes Steenstrup, 1880
Todaropsis Girard, 1890
Toffelettia Giusti, 1971
Tomburchus W. H. Harry, 1969
Tomocyclus Crosse and Fischer, 1872
Tomura Pilsbry and McGinty, 1946
Tonicella Carpenter, 1873
Tonicia Gray, 1847
Tonicina Thiele, 1906
Tonna Brunnich, 1772
Torellia Lovén in Jeffreys, 1867
Tornatina A. Adams, 1850
Tornus Turton and Kingston, 1830
Tortulosa Gray, 1847
Toxolasma Rafinesque, 1831
Trabecula di Monterosato, 1884
Trachycardium Morch, 1853
Trachypollia Woodring, 1928
Tralia Gray, 1840
Transennella Dall, 1883
Trapania Pruvot-Fol, 1931
Trapezidens Bolotov, Vikhrev & Konopleva in Bolotov et al., 2017
Trapezium Muhlfeld, 1811
Trapezoideus Simpson, 1900
Tremoctopus Chiaie, 1830 in 1823-1831
Tresus Gray, 1853
Trichia Hartmann, 1841
Trichotropis Broderip and G. B. Sowerby I, 1829
Tricolia Risso, 1826
Trigoniocardia Dall, 1900
Trigonostoma de Blainville, 1825
Trigonulina D'Orbigny, 1842
Trilobopsis Pilsbry, 1939
Trimusculus Schmidt, 1818
Trinchesia Ihering, 1879
Triodopsis Rafinesque, 1819
Triopha Bergh, 1880
Triphora de Blainville, 1828
Triplodon Spix & Wagner, 1827
Triptychus Morch, 1875
Tritonia Cuvier, 1798
Tritonidoxa Bergh, 1907
Tritoniopsis Eliot, 1905
Tritonoharpa Dall, 1908
Triumphis Gray, 1857
Trivia Broderip, 1837
Trochaclis Thiele, 1912
Trochinella Iredale, 1937
Trochoidea Brown, 1827
Trochotaia Brandt, 1974
Trochus Linnaeus, 1758
Trophon Montfort, 1810
Trophonopsis Bucquoy, Dautzenberg and Dollfus, 1882
Tropidomarga Powell, 1951
Truncatella Risso, 1826
Truncilla Rafinesque, 1819
Tryonia Stimpson, 1865
Tubiola A. Adams, 1863
Tugali Gray In Dieffenbach, 1843
Tulotoma Haldeman, 1840
Turbinella Lamarck, 1799
Turbo Linnaeus, 1758
Turbonilla Risso, 1826
Turcica A. Adams, 1854
Turrisipho Dautzenberg and Fischer, 1912
Turritella Lamarck, 1799
Turritellopsis G. O. Sars, 1878
Turtonia Alder, 1848
Tylodina Rafinesque, 1814
Tylodinella
Typhinellus Jousseaume, 1880
Typhis Montfort, 1810
Typhlomangelia G. O. Sars, 1878
Udosarx Webb, 1954
Umbilibalcis Bouchet and Waren, 1986
Umbonium Link, 1807
Umbraculum Schumacher, 1817
Uncimenia Nierstraez, 1903
Unela Er. Marcus, 1953
Unio Philipsson in Retzius, 1788
Uniomerus Conrad, 1853
Unionetta Haas, 1955
Urosalpinx Stimpson, 1865
Uroteuthis Rehder, 1945
Utravoherpia Salvini-plawen, 1979
Utterbackia F. C. Baker, 1927
Utterbackiana Frierson, 1927
Vallonia Risso, 1826
Valvata O. F. Muller, 1774
Vampyroteuthis Chun, 1903
Vanikoro Quoy and Gaimard, 1832
Varicopeza Grundel, 1976
Varicorbula Grant and Gale, 1931
Vasum Roding, 1798
Velepalaina Iredale, 1937
Velesunio Iredale, 1934
Velodona Chun, 1915
Velutina Fleming, 1820
Venericardia Lamarck, 1801
Venerupis Lamarck, 1818
Ventridens Binney and Bland, 1869
Venus Linnaeus, 1758
Venustaconcha Frierson, 1927
Venustatrochus Powell, 1951
Veprecula
Vermetus
Vermichiton Kaas, 1990
Vermicularia Lamarck, 1799
Veronicella de Blainville, 1817
Verticordia J. de C. Sowerby, 1844
Vertigo O. F. Müller, 1773
Vesicomya Dall, 1886
Vespericola Pilsbry, 1939
Vexillum Roding, 1798
Viana H. and A. Adams, 1856
Vilasina Bartsch, 1960
Villosa Frierson, 1927
Virgus Simpson, 1900
Viridrillia Bartsch, 1943
Vitrea Fitzinger, 1833
Vitreledonella Joubin, 1918
Vitreolina di Monterosato, 1884
Vitricithra
Vitricythara Fargo, 1953
Vitrina Draparnaud, 1801
Vitrinella C. B. Adams, 1850
Vitrinizonites W. G. Binney, 1879
Vitrinorbis Pilsbry and Olsson, 1952
Viviparus Montfort, 1810
Voluta Linnaeus, 1758
Volutharpa P. Fischer, 1856
Volutomitra H. Adams and A. Adams, 1853
Volutopsion Habe and Ito, 1965
Volutopsius Morch, 1857
Volva Linnaeus, 1758
Volvarina Hinds, 1844
Volvatella Newton, 1891
Volvulella Newton, 1891
Vorticifex Meek, 1870
Vosseledone Palacio, 1978
Waldemaria Wagner, 1905
Walvisteuthis Nesis and Nikitina, 1986
Watasenia Ishikawa, 1914
Webbhelix Emberton, 1988
Weedingia Kaas, 1988
Wemersoniella Scarabino, 1986
Westralunio Iredale, 1934
Williamia Monterosato, 1884
Wirenia Odhner, 1921
Woodbridgea S. S. Berry, 1953
Xanthodaphne Powell, 1942
Xenophora Fischer von Waldheim, 1807
Xerarionta Pilsbry, 1913
Xolotrema Rafinesque, 1819
Xylochiton Gowlett-Holmes and Jones, 1992
Xylophaga Turton, 1822
Xyloredo Turner, 1972
Yaquinabyssia Haszprunar, 1988
Yaukthwa Konopleva, Pfeiffer, Vikhrev, Kondakov, Gofarov, Aksenova, Lunn, Chan & Bolotov, 2019
Yoldia Moller, 1842
Yoldiella A. E. Verrill and Bush, 1897
Zachrysia Pilsbry, 1894
Zacoleus Pilsbry, 1903
Zafrona Iredale, 1916
Zalipais Iredale, 1915
Zebina H. Adams and A. Adams, 1854
Zeidora A. Adams, 1860
Zemira H. Adams and A. Adams, 1853
Zirfaea Gray, 1842
Zonaria Jousseaume, 1884
Zonites Montfort, 1810
Zonitoides Lehmann, 1862
Zonulispira Bartsch, 1950
Zoogenetes E. S. Morse, 1864
Подродови
Abralia (Abralia) Gray, 1849
Abralia (Asteroteuthis) Pfeffer, 1908
Abralia (Astrabralia) Nesis, 1987
Abralia (Enigmoteuthis) Adam, 1973
Abralia (Heterabralia) Tsuchiya and Okutani, 1988
Abralia (Pygmabralia) Nesis, 1987
Abraliopsis (Abraliopsis) Joubin, 1896
Abraliopsis (Boreabraliopsis) Tsuchiya and Okutani, 1988
Abraliopsis (Micrabralia) Pfeffer, 1900
Abraliopsis (Pfefferiteuthis) Tsuchiya and Okutani, 1988
Chiroteuthis (Chiroteuthis) D'Orbigny, 1841 In Férussac and D'Orbigny, 1834-1848
Chiroteuthis (Chirothauma) Chun, 1910
Enoploteuthis (Enoploteuthis) D'Orbigny in Rüppell, 1844
Enoploteuthis (Paraenoploteuthis) Tsuchiya and Okutani, 1988
Filopaludina (Siamopaludina) Brandt, 1968
Gonatopsis (Boreoteuthis) Nesis, 1971
Gonatopsis (Gonatopsis) Sasaki, 1920
Heteroteuthis (Heteroteuthis) Gray, 1849
Heteroteuthis (Stephanoteuthis) Berry, 1909
Leachia (Leachia) Lesueur, 1821
Leachia (Pyrgopsis) Rochebrune, 1884
Loligo (Alloteuthis) Wülker, 1920
Loligo (Doryteuthis) Naef, 1912
Loligo (Loligo) Lamarck, 1798
Loliolus (Loliolus) Steenstrup, 1856
Loliolus (Nipponololigo) Natsukari, 1983
Lolliguncula (Loliolopsis) Berry, 1929
Lolliguncula (Lolliguncula) Steenstrup, 1881
Pleuropoma (Aphanoconia) Wagner, 1905
Pleuropoma (Pleuropoma) Moellendorff, 1893
Sepia (Acanthosepion) Rochebrune, 1884
Sepia (Anomalosepia) Khromov, 1987
Sepia (Doratosepion) Rochebrune, 1884
Sepia (Hemisepius) Steenstrup, 1875
Sepia (Rhombosepion) Rochebrune, 1884
Sepia (Sepia) Linnaeus, 1758
Uroteuthis (Photololigo) Natsukari, 1984
Uroteuthis (Uroteuthis) Rehder, 1945
Врсте
Abra aequalis (Say, 1822)
Abra alba
Abra californica Kundsen, 1970
Abra lioica (Dall, 1881)
Abra longicallis Sacchi, 1836
Abra nitida (O. F. Mueller, 1776)
Abra pacifica Dall, 1915
Abra prismatica
Abra profundorum E. A. Smith, 1885
Abra tenuis (Montagu, 1818)
Abra tepocana Dall, 1915
Abralia andamanica Goodrich, 1896
Abralia armata (Quoy and Gaimard, 1832)
Abralia astrolineata Berry, 1914
Abralia astrosticta Berry, 1909
Abralia dubia (Adam, 1960)
Abralia fasciolata Tsuchiya, 1991
Abralia grimpei Voss, 1959
Abralia heminuchalis Burgess, 1992
Abralia marisarabica Okutani, 1983
Abralia multihamata Sasaki, 1929
Abralia redfieldi Voss, 1955
Abralia renschi Grimpe, 1931
Abralia robsoni Grimpe, 1931
Abralia siedleckyi Lipinski, 1983
Abralia similis Okutani and Tsuchiya, 1987
Abralia spaercki Grimpe, 1931
Abralia steindachneri Weindl, 1912
Abralia trigonura Berry, 1913
Abralia veranyi (Rüppell, 1844)
Abraliopsis affinis (Pfeffer, 1912)
Abraliopsis atlantica Nesis, 1982
Abraliopsis chuni Nesis, 1982
Abraliopsis falco Young, 1972
Abraliopsis felis McGowan and Okutani, 1968
Abraliopsis gilchristi (Robson, 1924)
Abraliopsis hoylei (Pfeffer, 1884)
Abraliopsis lineata (Goodrich, 1896)
Abraliopsis morisi (Verany, 1839)
Abraliopsis pacificus Tsuchiya and Okutani, 1990
Abraliopsis pfefferi Joubin, 1896
Abraliopsis tui Riddell, 1985
Acanthina lugubris (G. B. Sowerby I, 1821)
Acanthina paucilirata (Stearns, 1871)
Acanthina punctulata (G. B. Sowerby I, 1825)
Acanthina spirata (de Blainville, 1832)
Acanthocardia aculeata (Linnaeus, 1758)
Acanthocardia tuberculata (Linnaeus, 1758)
Acanthochitona angelica Dall, 1919
Acanthochitona avicula (Carpenter, 1864)
Acanthochitona balesae Abbott, 1954
Acanthochitona communis
Acanthochitona crinita (Pennant, 1777)
Acanthochitona discrepans (Brown, 1827)
Acanthochitona fascicularis (Linnaeus, 1767)
Acanthochitona hemphilli (Pilsbry, 1893)
Acanthochitona imperatrix Watters, 1981
Acanthochitona pygmaea (Pilsbry, 1893)
Acanthochitona roseojugum Lyons, 1988
Acanthochitona spiculosa Reeve, 1847
Acanthochitona zebra Lyons, 1988
Acanthodoris armata O'Donoghue, 1927
Acanthodoris atrogriseata O'Donoghue, 1927
Acanthodoris brunnea MacFarland, 1905
Acanthodoris caerulescens Bergh, 1880
Acanthodoris hudsoni MacFarland, 1905
Acanthodoris lutea MacFarland, 1925
Acanthodoris nanaimoensis O'Donoghue, 1921
Acanthodoris pilosa (Abildgaard, 1789)
Acanthodoris rhodoceras Cockerell, 1905
Acanthopleura granulata (Gmelin, 1791)
Acanthotrophon striatoides Vokes, 1980
Acar bailyi Bartsch, 1931
Acella haldemani (W. G. Binney, 1867)
Acharax johnsoni (Dall, 1891)
Achatina fulica (Ferussac, 1821)
Acila castrensis (Hinds, 1843)
Acirsa borealis (Lyell, 1841)
Aclis benedicti (Bartsch, 1947)
Aclis californica Bartsch, 1927
Aclis carolinensis Bartsch, 1911
Aclis conula Dall, 1927
Aclis cubana (Bartsch, 1911)
Aclis dalli Bartsch, 1911
Aclis egregia Dall, 1889
Aclis eolis Bartsch, 1947
Aclis georgiana Dall, 1927
Aclis hendersoni Dall, 1927
Aclis hyalina Watson, 1880
Aclis lata Dall, 1889
Aclis marguerita (Bartsch, 1947)
Aclis nucleata Dall, 1889
Aclis occidentalis (Hemphill, 1894)
Aclis pendata Dall, 1927
Aclis pyramida Dall, 1927
Aclis rhyssa Dall, 1927
Aclis rushi Bartsch, 1911
Aclis shepardiana Dall, 1919
Aclis stilifer Dall, 1927
Aclis striata A. E. Verrill, 1880
Aclis tenuis A. E. Verrill, 1882
Aclis turrita (Carpenter, 1864)
Aclis verrilli Bartsch, 1911
Aclis walleri Jeffreys, 1867
Aclistothyra atlantica McGinty, 1955
Acmaea acutapex S. S. Berry, 1957
Acmaea antillarum (Sowerby, 1831)
Acmaea apicina Dall, 1879
Acmaea atracta Carpenter, 1857
Acmaea conus Test, 1945
Acmaea dalliana (Philippi, 1891)
Acmaea depicta Hinds, 1842
Acmaea discors (Philippi, 1849)
Acmaea fascicularis (Menke, 1851)
Acmaea funiculata (Carpenter, 1864)
Acmaea instabilis (Gould, 1846)
Acmaea leucopleura Gmelin, 1791
Acmaea limatula Carpenter, 1864
Acmaea marcusi Righi, 1966
Acmaea mitella Menke, 1847
Acmaea mitra Eschscholtz, 1833
Acmaea noronhensis E. A. Smith
Acmaea paleacea Gould, 1853
Acmaea pediculus (Philippi, 1846)
Acmaea pustulata Helbling, 1779
Acmaea rosea Dall, 1872
Acmaea stanfordiana (S. S. Berry, 1960)
Acmaea strongiana Hertlein, 1958
Acmaea subrugosa Orbigny, 1846
Acmaea sybaritica Dall, 1871
Acmaea triangularis (Carpenter, 1864)
Acmaea turveri Hertlein and Strong, 1951
Acostaea rivolii (Deshayes, 1827)
Acroloxus coloradensis (J. Henderson, 1930)
Acteocina angustior Baker and Hanna, 1927
Acteocina atrata P. S. Mikkelsen and P. M. Mikkelsen, 1984
Acteocina bermudensis (Vanatta, 1901)
Acteocina bidentata (d'Orbigny, 1841)
Acteocina bullata (Kiener, 1834)
Acteocina canaliculata (Say, 1826)
Acteocina candei (d'Orbigny, 1841)
Acteocina carinata (Carpenter, 1856)
Acteocina cerealis (Gould, 1853)
Acteocina culcitella (Gould, 1853)
Acteocina eburnea A. E. Verrill, 1885
Acteocina eximia (Baird, 1863)
Acteocina harpa (Dall, 1871)
Acteocina hawaiensis
Acteocina inculta (Gould, 1855)
Acteocina infrequens (C. B. Adams, 1852)
Acteocina intermedia Willett, 1928
Acteocina lepta Woodring, 1928
Acteocina magdalensis (Dall, 1919)
Acteocina oldroydi Dall, 1925
Acteocina oryza (Totten, 1835)
Acteocina perplicatus Dall, 1889
Acteocina recta (d'Orbigny, 1841)
Acteocina smirna Dall, 1919
Acteon candens Rehder, 1939
Acteon cumningi A. Adams, 1854
Acteon danaida Dall, 1881
Acteon delicatus Dall, 1889
Acteon finlayi Stearns, 1898
Acteon hebes
Acteon incisus Dall, 1881
Acteon juvenis Dall, 1927
Acteon lacunatus Dall, 1927
Acteon liostracoides Dall, 1927
Acteon melampoides Dall, 1881
Acteon parallelus Dall, 1927
Acteon particolor Dall, 1927
Acteon perforatus Dall, 1881
Acteon propius Dall, 1927
Acteon pusillus (Forbes, 1844)
Acteon semicingulata Dall, 1927
Acteon tornatilis (Linnaeus, 1758)
Acteon traskii Stearns, 1898
Actinonaias computata (Crosse & Fischer, 1894)
Actinonaias coyensis (Pilsbry, 1910)
Actinonaias medellina (Lea, 1838)
Actinonaias moctezumensis (Pilsbry, 1910)
Actinonaias sapotalensis (Lea, 1841)
Actinonaias signata (Pilsbry, 1910)
Actinonaias undivaga (Pilsbry, 1910)
Aculamprotula coreana (Martens, 1886)
Aculamprotula fibrosa (Heude, 1877)
Aculamprotula grandidens (Lea, 1862)
Aculamprotula nodulosa (Wood, 1815)
Aculamprotula polysticta (Heude, 1877)
Aculamprotula scripta (Heude, 1875)
Aculamprotula tientsinensis (Crosse & Debeaux, 1863)
Aculamprotula tortuosa (Lea, 1865)
Aculamprotula zonata (Heude, 1883)
Acuticosta chinensis (Lea, 1868)
Acuticosta ovata (Simpson, 1900)
Acuticosta retiaria (Heude, 1883)
Acuticosta sichuanica Zeng & Liu, 1989
Acuticosta trisulcata (Heude, 1883)
Adalaria albopapillosa (Dall, 1871)
Adalaria jannae Millen, 1987
Adalaria loveni (Adler and Hancock, 1862)
Adalaria pacifica Bergh, 1880
Adalaria proxima (Alder and Hancock, 1854)
Adalaria tschuktschica Krause, 1885
Adalaria virescens Bergh, 1880
Addisonia brophyi J. H. McLean, 1985
Addisonia excentrica (Tiberi, 1857)
Addisonia lateralis (Requien, 1848)
Addisonia paradoxa Dall, 1882
Adipicola simpsoni (Marshall, 1900)
Admete californica (Dall, 1908)
Admete couthouyi (Jay, 1839)
Admete gracilior (Carpenter, 1869)
Admete laevior Leche, 1878
Admete microscopica (Dall, 1889)
Admete microsoma (Dall, 1908)
Admete nodosa Verrill and Smith, 1885
Admete regina Dall, 1911
Admete viridula (Fabricius, 1780)
Adontorhina cyclia S. S. Berry, 1947
Adontorhina sphaericosa Scott, 1986
Adrana notabilis Rehder, 1939
Adrana scaphoides Rehder, 1939
Adrana tellinoides (Sowerby, 1823)
Adula californiensis (Philippi, 1847)
Adula diegensis (Dall, 1911)
Adula falcata (Gould, 1851)
Adula gruneri (Philippi, 1851)
Adula schmidtii (Schrenck, 1867)
Aegires albopunctatus MacFarland, 1905
Aegires albus Thiele, 1912
Aegires citrinus (Bergh, 1875)
Aegires exeches Fahey and Gosliner, 2004
Aegires flores Fahey and Gosliner, 2004
Aegires gardineri (Eliot, 1906)
Aegires gomezi Ortea, Luque and Templado, 1990
Aegires hapsis Fahey and Gosliner, 2004
Aegires incisus (Sars, 1878)
Aegires incusus Fahey and Gosliner, 2004
Aegires lemoncello Fahey and Gosliner, 2004
Aegires leuckartii Verany, 1853
Aegires malinus Fahey and Gosliner, 2004
Aegires minor (Eliot, 1904)
Aegires ninguis Fahey and Gosliner, 2004
Aegires ortizi Templado, Luque and Ortea, 1987
Aegires palensis Ortea, Luque and Templado, 1990
Aegires petalis Fahey and Gosliner, 2004
Aegires pruvotfolae Fahey and Gosliner, 2004
Aegires punctilucens (d'Orbigny, 1837)
Aegires serenae (Gosliner and Behrens, 1997)
Aegires sublaevis Odhner, 1932
Aegires villosus Farran, 1905
Aeolidia papillosa (Linnaeus, 1761)
Aeolidiella alderi
Aeolidiella chromosoma (Cockerell, 1905)
Aeolidiella glauca (Alder and Hancock, 1845)
Aeolidiella indica Bergh, 1888
Aeolidiella lurana Marcus and Marcus, 1967
Aeolidiella occidentalis Bergh, 1875
Aeolidiella olivae MacFarland, 1966
Aeolidiella sanguinea (Norman, 1877)
Aeolidiella takanosimensis Baba, 1930
Aequipecten glyptus (A. E. Verrill, 1882)
Aequipecten heliacus (Dall, 1925)
Aequipecten lineolaris (Lamarck, 1819)
Aequipecten opercularis (Linnaeus, 1758)
Aesopus arestus Dall, 1919
Aesopus babbi (Tryon, 1882)
Aesopus chrysalloideus (Carpenter, 1864)
Aesopus eurytoideus (Carpenter, 1864)
Aesopus fuscostrigatus (Carpenter, 1864)
Aesopus goforthi Dall, 1912
Aesopus japonicus Gould, 1860
Aesopus metcalfei Reese
Aesopus myrmecoon Dall, 1916
Aesopus sanctus Dall, 1919
Aesopus stearnsii (Tryon, 1883)
Aesopus subturritus (Carpenter, 1864)
Aesopus xenicus Pilsbry and Lowe, 1932
Aforia circinata (Dall, 1873)
Aforia goodei (Dall, 1890)
Agathotoma candidissima (C. B. Adams, 1845)
Agathotoma densestriata (C. B. Adams, 1850)
Agathotoma stellata (Morch, 1860)
Agatrix agassizii (Dall, 1889)
Aglaja diomedea (Bergh, 1894)
Aglaja ocelligera (Bergh, 1893)
Agriopoma texasianum (Dall, 1892)
Akera bayeri Marcus and Marcus, 1967
Akera bullata O. F. Muller, 1776
Akera thompsoni Olsson and McGinty, 1951
Akiodoris lutescens Bergh, 1880
Alaba catalinensis Bartsch, 1920
Alaba incerta (d'Orbigny, 1842)
Alaba jeanettae Bartsch, 1910
Alaba serrana A. G. Smith and Gordon, 1948
Alasmidonta arcula (Lea, 1838)
Alasmidonta atropurpurea (Rafinesque, 1831)
Alasmidonta marginata Say, 1818
Alasmidonta mccordi Athearn, 1964
Alasmidonta raveneliana (Lea, 1834)
Alasmidonta robusta Clarke, 1981
Alasmidonta triangulata (Lea, 1858)
Alasmidonta undulata (Say, 1817)
Alasmidonta uwharriensis Whelan, Perkins & Mays in Whelan et al., 2023
Alasmidonta varicosa (Lamarck, 1819)
Alasmidonta wrightiana (Walker, 1901)
Alasminota etowaensis (Conrad, 1849)
Alathyria condola Iredale, 1943
Alathyria jacksoni Iredale, 1934
Alathyria pertexta Iredale, 1934
Alathyria profuga (Gould, 1850)
Alcadia striata (Lamarck, 1822)
Alderia modesta (Loven, 1844)
Aldisa albomarginata Millen, 1984
Aldisa cooperi Robilliard and Baba, 1972
Aldisa sanguinea (J. G. Cooper, 1863)
Aldisa tara Millen, 1984
Aldisa zetlandica (Alder and Hancock, 1854)
Alexandromenia crassa Odhner, 1921
Alexania floridana (Pilsbry, 1945)
Algamorda newcombiana (Hempill, 1876)
Alia carinata (Hinds, 1844)
Alia tuberosa (Carpenter, 1864)
Aligena diegoana Hertlein and Grant, 1972
Aligena elevata (Stimpson, 1851)
Aligena texasiana Harry, 1969
Allogona lombardii A. G. Smith, 1943
Allogona profunda (Say, 1821)
Allogona ptychophora (A. D. Brown, 1870)
Allogona townsendiana (I. Lea, 1838)
Allonautilus perforatus (Conrad, 1849)
Allonautilus scrobiculatus (Lightfoot, 1786)
Allopeas clavulinum (Potiez and Michaud, 1838)
Allopeas gracile (Hutton, 1834)
Allopeas mauritianum (Pfeiffer, 1852)
Alluroteuthis antarcticus Odhner, 1923
Alvania aberrans (C. B. Adams, 1850)
Alvania abyssicola (Forbes, 1850)
Alvania acuticostata (Dall, 1889)
Alvania aequisculpta Keep, 1887
Alvania alaskana Dall, 1886
Alvania albolirata (Carpenter, 1864)
Alvania almo Bartsch, 1911
Alvania apicina Verrill, 1884
Alvania areolata Stimpson, 1851
Alvania auberiana (d'Orbigny, 1842)
Alvania aurivilli Dall, 1886
Alvania bakeri Bartsch, 1910
Alvania bartolomensis Bartsch, 1917
Alvania beanii (Hanley, 1844)
Alvania brychia (Verrill, 1884)
Alvania burrardensis Bartsch, 1921
Alvania campta (Dall, 1927)
Alvania cancellata (Da Costa, 1778)
Alvania canonica (Dall, 1927)
Alvania carinata Mighels and Adams, 1842
Alvania carpenteri (Weinkauff, 1885)
Alvania castanella Dall, 1886
Alvania chiriquiensis Olsson and McGinty, 1958
Alvania cimicoides (Forbes, 1844)
Alvania compacta (Carpenter, 1864)
Alvania contrerasi Jordan, 1909
Alvania cosmia Bartsch, 1911
Alvania dalli Bartsch, 1927
Alvania dinora Bartsch, 1917
Alvania electrina (Carpenter, 1864)
Alvania exarata Stimpson, 1851
Alvania filosa Carpenter, 1864
Alvania gallegosi
Alvania globula (Moller, 1842)
Alvania gradata (Orbigny, 1842)
Alvania harpa Verrill, 1882
Alvania herrerae Baker, Hanna, and Strong, 1930
Alvania jeffreysi (Waller, 1864)
Alvania karlini A. H. Clarke, 1963
Alvania keenae Gordon, 1939
Alvania kyskaensis Bartsch, 1917
Alvania lactea
Alvania lampra (Dall, 1927)
Alvania latior (Mighels and C. B. Adams, 1842)
Alvania leptalea Verrill, 1884
Alvania lucasana (Baker, Hanna, and Stong, 1930)
Alvania microglypta Haas, 1943
Alvania moerchi (Collins, 1886)
Alvania monserratensis (Baker, Hanna, and Strong, 1930)
Alvania montereyensis Bartsch, 1911
Alvania multilineata (Stimpson, 1851)
Alvania nigriscens Bartsch and Rehder, 1939
Alvania oldroydae Bartsch, 1911
Alvania pedroana Bartsch, 1911
Alvania precipitata (Dall, 1889)
Alvania pseudoareolata Waren, 1974
Alvania pseudosyngenes Waren, 1973
Alvania punctura
Alvania purpurea Dall, 1871
Alvania rosana Bartsch, 1911
Alvania sandersoni Verrill, 1884
Alvania sanjuanensis Bartsch, 1920
Alvania semistriata (Montagu, 1808)
Alvania subsoluta (Aradas, 1847)
Alvania trachisma Bartsch, 1911
Alvania tumida Carpenter, 1857
Alvania turgida Verrill, 1880
Alvania wyvillethomosoni (Friele, 1877)
Alvania xanthias (Watson, 1886)
Amaea mitchelli (Dall, 1896)
Amaea retifera (Dall, 1889)
Amauropsis islandica (Gmelin, 1791)
Amauropsis purpurea Dall, 1871
Amblema elliottii (Lea, 1856)
Amblema neislerii (Lea, 1858)
Amblema plicata (Say, 1817)
Ameloctopus litoralis Norman, 1992
Americardia biangulata (Broderip and G. B. Sowerby I, 1829)
Americardia guppyi (Thiele, 1910)
Americardia media (Linnaeus, 1758)
Americhiton andersoni (Watters, 1981)
Amiantis callosa (Conrad, 1837)
Amicula amiculata (Pallas, 1787)
Amicula pallasii (Middendorff, 1847)
Amicula vestita (Broderip and G. B. Sowerby I, 1829)
Ammonicera rota
Ammonitella yatesii (J. G. Cooper, 1968)
Amnicola clarkei Pilsbry, 1917
Amnicola cora Hubricht, 1979
Amnicola dalli (Pilsbry and Beecher, 1892)
Amnicola decisus Haldeman, 1845
Amnicola limosus (Say, 1817)
Amnicola rhombostoma F. G. Thompson, 1968
Amnicola stygius Hubricht, 1971
Amphigyra alabamensis Pilsbry, 1906
Amphissa acutecostata (Philippi, 1844)
Amphissa bicolor Dall, 1892
Amphissa columbiana Dall, 1916
Amphissa cymata Dall, 1916
Amphissa haliaeeti (Jeffreys, 1867)
Amphissa reticulata Dall, 1916
Amphissa undata (Carpenter, 1864)
Amphissa versicolor Dall, 1871
Amphithalamus inclusus Carpenter, 1864
Amphithalamus lacunatus Carpenter, 1864
Amphithalamus stephensae
Amphithalamus tenuis
Amphithalamus vallei Aguayo and Jaume, 1947
Amphitretus pelagicus Hoyle, 1885
Amuranodonta kijaensis Moskvicheva, 1973
Amusium papyraceum (Gabb, 1873)
Amygdalum dendriticum Muhlfeld, 1811
Amygdalum pallidulum (Dall, 1916)
Amygdalum papyrium (Conrad, 1846)
Amygdalum politum (A. E. Verrill and S. Smith, 1880)
Amygdalum sagittatum Rehder, 1934
Anabathron contabulata Frauenfeld, 1867
Anabathron muriel Bartsch and Rehder, 1939
Anachis acuta Stearn, 1873
Anachis adelinae (Tryon, 1883)
Anachis albella C. B. Adams, 1850
Anachis avara (Say, 1822)
Anachis bicanaliferum (Sowerby, 1832)
Anachis catenata (Sowerby, 1844)
Anachis coronata (Sowerby, 1832)
Anachis diminuta (C. B. Adams, 1852)
Anachis fayae Keen, 1971
Anachis fenneli Radwin, 1968
Anachis floridana Rehder, 1939
Anachis gaskoini Carpenter, 1857
Anachis hilli Pilsbry and Lowe, 1932
Anachis hotessieriana (d'Orbigny, 1842)
Anachis iontha (Ravenel, 1861)
Anachis lafresnayi (P. Fischer and Bernardi, 1856)
Anachis nigricans (Sowerby, 1844)
Anachis obesa C. B. Adams, 1845
Anachis penicillata Carpenter, 1865
Anachis petrii
Anachis pulchella (de Blainville, 1829)
Anachis pygmaea (Sowerby, 1832)
Anachis rhodae Radwin, 1968
Anachis samanensis
Anachis sanfelipensis Lowe, 1935
Anachis semiplicata Stearns, 1873
Anachis similis Dall, 1889
Anachis sparsa (Reeve, 1859)
Anachis subturrita Carpenter, 1866
Anachis translirata (Ravenel, 1861)
Anachis veleda Duclos, 1846
Anachis vexillum (Reeve, 1858)
Anacithara perfecata
Anadara auriculata Lamarck
Anadara baughmani Hertlein, 1951
Anadara brasiliana (Lamarck, 1819)
Anadara chemnitzii (Philippi, 1851)
Anadara concinna (Sowerby, 1833)
Anadara floridana (Conrad, 1869)
Anadara grandis (Broderip and Sowerby, 1829)
Anadara lienosa (Say, 1832)
Anadara multicostata (G. B. Sowerby I, 1833)
Anadara notabilis (Roding, 1798)
Anadara nux (Sowerby, 1833)
Anadara ovalis (Bruguiere, 1789)
Anadara secticostata Reeve, 1844
Anadara transversa (Say, 1822)
Anadara tuberculosa (G. B. Sowerby I, 1833)
Anadenulus cockerelli (Hemphill, 1890)
Anamenia borealis (Koren and Danielssen, 1877)
Anatina anatina (Spengler, 1802)
Anatoma baxteri J. H. McLean, 1984
Anatoma crispata (Fleming, 1828)
Anatoma lyra (S. S. Berry, 1947)
Anatoma obtusata (Golikov and Gulbin, 1977)
Ancilla glabrata (Linnaeus, 1758)
Ancilla lienardi (Bernardi, 1858)
Ancilla tankervillii (Swainson, 1825)
Ancistrobasis costulata (Watson, 1879)
Ancistrobasis depressa (Dall, 1889)
Ancistrobasis lusitanica (P. Fischer, 1882)
Ancistrocheirus lesueurii (D'Orbigny, 1842 in Férussac and D'Orbigny, 1834-1848)
Ancistrolepis beringianus Dall, 1919
Ancistrolepis buccinoidea
Ancistrolepis eucosmius (Dall, 1891)
Ancistrolepis hirasei
Ancistrolepis hirsuta
Ancistrolepis magna (Dall, 1895)
Ancistroteuthis lichtensteini (Férussac, 1835 in Férussac and D'Orbigny, 1834-1848)
Ancotrema hybridum (Ancey, 1888)
Ancotrema sportella (Gould, 1846)
Ancotrema voyanum (Newcomb, 1865)
Ancotrema zopherum Roth, 1990
Ancula evelinae Er. Marcus, 1961
Ancula gibbosa (Risso, 1818)
Ancula lentiginosa Farmer, 1964
Ancula pacifica MacFarland, 1905
Ancylus fluviatilis Müller, 1774
Anemina arcaeformis (Heude, 1877)
Anemina euscaphys (Heude, 1879)
Anemina fluminea (Heude, 1877)
Anemina globosula (Heude, 1878)
Anguispira alabama (G. H. Clapp, 1920)
Anguispira alternata (Say, 1816)
Anguispira cumberlandiana (I. Lea, 1840)
Anguispira fergusoni (Bland, 1861)
Anguispira jessica Kutchka, 1938
Anguispira knoxensis (Pilsbry, 1899)
Anguispira kochi (Pfeiffer, 1821)
Anguispira macneilli Walker, 1928
Anguispira mordax (Shuttleworth, 1852)
Anguispira nimapuna H. B. Baker, 1932
Anguispira picta (G. H. Clapp, 1920)
Anguispira rugoderma Hubricht, 1938
Anguispira strongyloides (Pfeiffer, 1854)
Angustipes ameghini (Gambetta, 1923)
Anidolyta duebenii (Loven, 1846)
Anidolyta spongotheras (Bertsch, 1980)
Anisodonta carolina Dall, 1900
Anisodoris lentiginosa Millen, 1982
Anisodoris nobilis (MacFarland, 1905)
Anisodoris prea Ev. Marcus and Er. Marcus, 1967
Anisodoris worki Ev. Marcus and Er. Marcus, 1967
Anodonta anatina (Linnaeus, 1758)
Anodonta californiensis Lea, 1852
Anodonta cygnea (Linnaeus, 1758)
Anodonta exulcerata Porro, 1838
Anodonta impura Say, 1829
Anodonta kennerlyi Lea, 1860
Anodonta lurulenta Morelet, 1849
Anodonta nuttalliana Lea, 1838
Anodonta oregonensis Lea, 1838
Anodonta seddoni Gürlek, Kebapci & Lopes-Lima in Lopes-Lima et al., 2021
Anodonta vescoiana Bourguignat, 1857
Anodontia alba Link, 1807
Anodontia edentula (Linnaeus, 1758)
Anodontia edentuloides (Verrill, 1870)
Anodontia philippiana (Reeve, 1850)
Anodontites aroana H.B. Baker, 1930
Anodontites carinata (Dunker, 1858)
Anodontites colombiensis Marshall, 1922
Anodontites crispata Bruguière, 1792
Anodontites cylindracea (Lea, 1838)
Anodontites depexus (Martens, 1900)
Anodontites elongata (Swainson, 1823)
Anodontites ferrarisii (d'Orbigny, 1835)
Anodontites guanarensis Marshall, 1927
Anodontites iheringi (Clessin, 1882)
Anodontites inaequivalva (Lea, 1868)
Anodontites infossus H.B. Baker, 1930
Anodontites leotaudi (Guppy, 1866)
Anodontites lucida (d'Orbigny, 1835)
Anodontites moricandii (Lea, 1860)
Anodontites obtusa (Spix & Wagner, 1827)
Anodontites patagonica (Lamarck, 1819)
Anodontites pittieri Marshall, 1922
Anodontites schomburgianus (Sowerby, 1870)
Anodontites solenidea (Sowerby, 1867)
Anodontites tehuantepecensis (Crosse & Fischer, 1893)
Anodontites tenebricosa (Lea, 1834)
Anodontites tortilis (Lea, 1852)
Anodontites trapesialis (Lamarck, 1819)
Anodontites trapezea (Spix & Wagner, 1827)
Anodontites trigona (Spix & Wagner, 1827)
Anodontoides denigratus (Lea, 1852)
Anodontoides ferussacianus (Lea, 1834)
Anomalocardia auberiana (d'Orbigny, 1842)
Anomalocardia brasiliana (Gmelin, 1791)
Anomalocardia leptalea (Dall, 1894)
Anomia chinensis Philippi, 1849
Anomia ephippium Linnaeus, 1758
Anomia peruviana d'Orbigny, 1846
Anomia simplex D'Orbigny, 1842
Anomia squamula Linnaeus, 1758
Antalis abyssorum (M. Sars, 1858)
Antalis agilis M. Sars, 1872
Antalis antillarum (d'Orbigny, 1842)
Antalis bartletti (Henderson, 1920)
Antalis berryi (A. G. Smith and M. Gordon, 1948)
Antalis callithrix (Dall, 1889)
Antalis ceratum (Dall, 1881)
Antalis circumcinctum (Watson, 1879)
Antalis entale (Linnaeus, 1758)
Antalis novemcostata (Lamarck, 1818)
Antalis occidentale (Stimpson, 1851)
Antalis panormum (Chenu, 1843)
Antalis pilsbryi (Rehder, 1942)
Antalis pretiosum (G. B. Sowerby II, 1860)
Antalis taphrium (Dall, 1889)
Antalis tubulatum (Henderson, 1920)
Antalis vulgaris (da Costa, 1778)
Anticlimax athleenae (Pilsbry and McGinty, 1946)
Anticlimax pilsbryi (McGinty, 1945)
Antillophos beauii (P. Fischer and Bernardi, 1857)
Antillophos candeanus (d'Orbigny, 1842)
Antiplanes abarbareus Dall, 1919
Antiplanes beringi (Aurivillius, 1885)
Antiplanes briseis Dall, 1919
Antiplanes bulimoides Dall, 1919
Antiplanes catalinae (Raymond, 1904)
Antiplanes diaulax (Dall, 1908)
Antiplanes hyperia Dall, 1919
Antiplanes kamchatica Dall, 1919
Antiplanes litus Dall, 1919
Antiplanes major Bartsch, 1944
Antiplanes motojimai (Habe, 1958)
Antiplanes piona (Dall, 1902)
Antiplanes rotula Dall, 1921
Antiplanes sanctiioannis (E. A. Smith, 1875)
Antiplanes santarosanus (Dall, 1902)
Antiplanes thalea (Dall, 1902)
Antiplanes vinosus (Dall, 1874)
Antiplanes voyi (Gabb, 1866)
Antiplanes willetti S. S. Berry, 1953
Antisabia foliaceus
Antrobia culveri Hubricht, 1971
Antrorbis breweri Hershler and F. G. Thompson, 1990
Antrorbis tennesseensis Perez, Shoobs, Gladstone and Niemiller, 2019
Antroselates spiralis Hubricht, 1963
Aorotrema cistronium (Dall, 1889)
Aorotrema erraticum Pilsbry and McGinty, 1945
Aorotrema humboldti
Aorotrema pontogenes (Schwengel and McGinty, 1942)
Aperiovula abbotti Cate, 1973
Aphaostracon asthenes F. G. Thompson, 1968
Aphaostracon chalarogyrus F. G. Thompson, 1968
Aphaostracon hypohyalinum F. G. Thompson, 1968
Aphaostracon monas (Pilsbry, 1899)
Aphaostracon pachynotum F. G. Thompson, 1968
Aphaostracon pycnus F. G. Thompson, 1968
Aphaostracon rhadinum F. G. Thompson, 1968
Aphaostracon theiocrenetum F. G. Thompson, 1968
Aphaostracon xynoelictum F. G. Thompson, 1968
Aphelodoris antillensis (Bergh, 1879)
Aphrodoctopus schultzei (Hoyle, 1910)
Aplexa elongata (Say, 1821)
Aplexa hypnorum (Linnaeus, 1758)
Aplysia brasiliana Rang, 1828
Aplysia californica J. G. Cooper, 1863
Aplysia cervina (Dall and Simpson, 1901)
Aplysia dactylomela Rang, 1828
Aplysia depilans Gmelin, 1791
Aplysia donca Ev. Marcus and Er. Marcus, 1960
Aplysia fasciata Poiret, 1798
Aplysia geographica (A. Adams and Reeve, 1850)
Aplysia juliana Quoy and Gaimard, 1832
Aplysia morio (A. E. Verrill, 1901)
Aplysia parvula Morch, 1863
Aplysia punctata
Aplysia reticulopoda Beeman, 1960
Aplysia vaccaria Winkler, 1955
Aplysiopsis enteromorphae (Cockerell and Eliot, 1905)
Aplysiopsis olivae Mcfarland, 1966
Aplysiopsis smithi (Er. Marcus, 1961)
Aplysiopsis zebra K. B. Clark, 1982
Aporrhais occidentalis Beck, 1836
Aporrhais pespelicanis Linnaeus, 1758
Aporrhais serresiana
Appalachina chilhoweensis (J. Lewis, 1870)
Appalachina sayana (Pilsbry, 1906)
Aquilonaria turneri Dall, 1886
Arca imbricata Bruguiere, 1789
Arca lactea
Arca mutabilis Sowerby, 1833
Arca reticulata Gmelin, 1791
Arca tetragona Poli, 1795
Arca zebra (Swainson, 1833)
Archidoris montereyensis (J. G. Cooper, 1863)
Archidoris nobilis
Archidoris odhneri (MacFarland, 1966)
Archidoris pseudoargus (Rapp, 1827)
Archiphysa ashmuni Taylor, 2003
Archiphysa sonomae Taylor, 2003
Architectonica nobilis Roding, 1798
Architectonica peracuta (Dall, 1889)
Architectonica perspectiva (Linnaeus, 1758)
Architectonica placentalis (Hinds, 1844)
Architeuthis dux Steenstrup in Harting, 1860
Architeuthis hartingii (Verrill, 1875)
Architeuthis japonica Pfeffer, 1912
Architeuthis kirkii Robson, 1887
Architeuthis physeteris (Joubin, 1900)
Architeuthis sanctipauli (Velain, 1877)
Architeuthis verrilli Kirk, 1882
Arcidens confragosus (Say, 1829)
Arcidens wheeleri (Ortmann & Walker, 1912)
Arcidopsis footei (Theobald, 1876)
Arcinella arcinella (Linnaeus, 1767)
Arcinella cornuta Conrad, 1866
Arcopagia crassa (Pennant, 1777)
Arcopsis adamsi (Dall, 1886)
Arcopsis solida (G. B. Sowerby I, 1833)
Arctica islandica (Linnaeus, 1767)
Arctomelon stearnsii (Dall, 1872)
Arctomelon tamikoae (Kosuge, 1970)
Arculus sykesi (Chaster, 1895)
Arene adusta J. H. McLean, 1970
Arene bairdii (Dall, 1889)
Arene balboai (Strong and Hertlein, 1939)
Arene brasiliana (Dall, 1927)
Arene briareus (Dall, 1881)
Arene californica (Dall, 1908)
Arene carinata Carpenter, 1857
Arene coronadensis (Stohler, 1959)
Arene cruentata (Megerle von Muhlfeld, 1829)
Arene diegensis J. H. McLean, 1964
Arene farallonensis (A. G. Smith, 1952)
Arene ferruginosa J. H. McLean, 1970
Arene fricki Crosse, 1865
Arene lepidotera (J. H. Mclean, 1970)
Arene lucasensis Strong, 1933
Arene miniata (Dall, 1889)
Arene riisei Rehder, 1943
Arene stellata J. H. McLean, 1970
Arene tricarinata (Stearns, 1872)
Arene variabilis (Dall, 1889)
Arene venusta (Woodring, 1928)
Arene venustula Aguayo and Rehder, 1936
Argonauta argo Linnaeus, 1758
Argonauta bottgeri Maltzan, 1881
Argonauta cornuta Conrad, 1854
Argonauta hians Lightfoot, 1786
Argonauta nodosa Lightfoot, 1786
Argonauta nouryi Lorois, 1852
Argonauta pacifica Dall, 1871
Argopecten aequisulcatus (Carpenter, 1864)
Argopecten gibbus (Linnaeus, 1758)
Argopecten irradians (Lamarck, 1819)
Argopecten lineolaris (Lamarck, 1819)
Argopecten nucleus (Born, 1778)
Argopecten ventricosus (G. B. Sowerby II, 1842)
Ariolimax californicus J. G. Cooper, 1872
Ariolimax columbianus (Gould, 1851)
Ariolimax dolichophallus Mead, 1943
Arion ater (Linnaeus, 1758)
Arion circumscriptus Johnston, 1828
Arion distinctus Mabille, 1868
Arion fasciatus (Nilsson, 1823)
Arion hortensis Ferussac, 1819
Arion intermedius (Normand, 1852)
Arion owenii Davies, 1979
Arion rufus (Linnaeus, 1758)
Arion silvaticus Lohmander, 1937
Arion subfuscus (Draparnaud, 1805)
Armina californica (J. G. Cooper, 1863)
Armina cordellensis Gosliner and Behrens, 1996
Armina loveni
Armina mulleri (von Ihering, 1886)
Armina tigrina Rafinesque, 1814
Armina wattla Ev. Marcus and Er. Marcus, 1967
Arotonaias cyrenoides (Philippi, 1847)
Arotonaias encarpa (Lea, 1868)
Arotonaias gabbiana (Lea, 1868)
Asaphis deflorata (Linnaeus, 1758)
Ascobulla ulla (Er. Marcus and Ev. Marcus, 1970)
Ashmunella amblya Pilsbry, 1940
Ashmunella angulata Pilsbry, 1905
Ashmunella animasensis Vagvolgyi, 1974
Ashmunella ashmuni (Dall, 1897)
Ashmunella auriculata Vagvolgyi, 1974
Ashmunella bequaerti Clench and W. B. Miller, 1966
Ashmunella binneyi Pilsbry and Ferriss, 1917
Ashmunella carlsbadensis Pilsbry, 1932
Ashmunella chiricahuana (Dall, 1896)
Ashmunella cockerelli Pilsbry and Ferriss, 1917
Ashmunella danielsi Pilsbry and Ferriss, 1915
Ashmunella edithae Pilsbry and Cheatum, 1951
Ashmunella esuritor Pilsbry, 1915
Ashmunella ferrissi Pilsbry, 1905
Ashmunella harrisi Metcalf and Smartt, 1977
Ashmunella hebardi Pilsbry and Vanatta, 1923
Ashmunella kochii G. H. Clapp, 1908
Ashmunella lenticula Gregg, 1953
Ashmunella lepiderma Pilsbry and Ferriss, 1910
Ashmunella levettei (Bland, 1881)
Ashmunella macromphala Vagvolgyi, 1974
Ashmunella mearnsii (Dall, 1895)
Ashmunella mendax Pilsbry and Ferriss, 1917
Ashmunella mogollonensis Pilsbry, 1905
Ashmunella mudgei Cheatum, 1971
Ashmunella organensis Pilsbry, 1936
Ashmunella pasonis (Drake, 1951)
Ashmunella pilsbryana Ferriss, 1914
Ashmunella proxima Pilsbry, 1905
Ashmunella pseudodonta (Dall, 1897)
Ashmunella rhyssa (Dall, 1897)
Ashmunella rileyensis Metcalf and Hurley, 1971
Ashmunella salinasensis Vagvolgyi, 1974
Ashmunella sprouli R. W. Fullington and K. E. Fullington, 1978
Ashmunella tetrodon Pilsbry and Ferriss, 1915
Ashmunella thomsoniana (Ancey, 1887)
Ashmunella todseni Metcalf and Smartt, 1977
Ashmunella varicifera Ancey, 1901
Ashmunella walkeri Ferriss, 1904
Aspatharia chaiziana (Rang, 1835)
Aspatharia dahomeyensis (Lea, 1859)
Aspatharia divaricata (Martens, 1897)
Aspatharia droueti (Chaper, 1885)
Aspatharia ganciniensis (Rochebrune, 1886)
Aspatharia marnoi (Jickeli, 1874)
Aspatharia pangallensis (Rochebrune, 1882)
Aspatharia pfeifferiana (Bernardi, 1860)
Aspatharia rochebrunei (Jousseaume, 1886)
Aspatharia rugifera (Dunker, 1858)
Aspatharia subreniformis (Sowerby, 1867)
Aspella abyssicola (Crosse, 1865)
Aspella anceps (Lamarck, 1822)
Aspella bakeri Hertlein and Strong, 1951
Aspella castor Radwin and D'Attilio, 1976
Aspella elizabethae (McGinty, 1940)
Aspella paupercula (C. B. Adams, 1850)
Aspella senex Dall, 1903
Asperiscala bellastriata (Carpenter, 1864)
Asperiscala cookeana (Dall, 1917)
Asperiscala lowei (Dall, 1906)
Assiminea californica (Tryon, 1865)
Assiminea grayana Fleming, 1828
Assiminea infima S. S. Berry, 1947
Assiminea pecos Taylor, 1987
Assiminea succinea (Pfeiffer, 1840)
Assiminea translucens (Carpenter, 1864)
Astarte acuticostata J. G. Jeffreys, 1881
Astarte arctica (J. E. Gray, 1824)
Astarte bennetti Dall, 1903
Astarte borealis (Schumacher, 1817)
Astarte castanea (Say, 1822)
Astarte compacta Carpenter, 1864
Astarte crebricostata (Da Costa, 1778)
Astarte crenata (J. E. Gray, 1824)
Astarte elliptica (T. Brown, 1827)
Astarte esquimalti (Baird, 1863)
Astarte filatovae Habe, 1964
Astarte globula Dall, 1886
Astarte laurentiana
Astarte liogona Dall, 1903
Astarte mirabilis (Dall, 1871)
Astarte montagui (Dillwyn, 1817)
Astarte nana Dall, 1886
Astarte polaris Dall, 1903
Astarte quadrans Gould, 1841
Astarte smithii Dall, 1886
Astarte sulcata (Decosta, 1778)
Astarte triangularis
Astarte undata Gould, 1841
Astarte vernicosa Dall, 1903
Astarte willetti Dall, 1917
Asterophila japonica Randall and Heath, 1912
Asthelys munda (Watson, 1879)
Asthenothaerus diegensis (Dall, 1915)
Asthenothaerus hemphilli Dall, 1886
Asthenothaerus villosior Carpenter, 1864
Astraea olivaceae (Wood, 1828)
Astralium brevispina (Lamarck, 1822)
Astralium phoebium (Röding, 1798)
Astyris amiantis Dall, 1919
Astyris aurantiaca Dall, 1871
Astyris diaphana A. E. Verrill, 1882
Astyris gausapata (Gould, 1850)
Astyris hypodra (Dall, 1916)
Astyris lunata (Say, 1826)
Astyris multilineata (Dall, 1889)
Astyris profundi (Dall, 1889)
Astyris pura A. E. Verrill, 1882
Astyris raveneli (Dall, 1889)
Astyris rosacea (Gould, 1839)
Atagema alba (O'Donoghue, 1927)
Atagema gibba Pruvot-fol, 1951
Atagema prea (Ev. Marcus and Er. Marcus, 1967)
Atagema quadrimaculata Collier, 1963
Athearnia anthonyi (Redfield, 1854)
Athearnia crassa (Haldeman, 1841)
Atlanta brunnea J. E. Gray, 1850
Atlanta californiensis Seapy and Richter, 1993
Atlanta gaudichaudi Souleyet, 1852
Atlanta helicinoidea J. E. Gray, 1850
Atlanta inclinata J. E. Gray, 1850
Atlanta inflata J. E. Gray, 1850
Atlanta lesueurii J. E. Gray, 1850
Atlanta peronii Lesueur, 1817
Atlanta pulchella Verrill, 1884
Atlanta quoyii Gray, 1850
Atlanta turriculata D'Orbigny, 1836
Atlanticoncha ochracea (Say, 1817)
Atrina fragilis (Pennant, 1777)
Atrina oldroydii Dall, 1901
Atrina rigida (Lightfoot, 1786)
Atrina seminuda (Lamarck, 1819)
Atrina serrata (G. B. Sowerby I, 1825)
Atrina texta Hertlein, Hanna and Strong, 1943
Attiliosa philippiana (Dall, 1889)
Atys caribaeus (d'Orbigny, 1841)
Atys castus Carpenter, 1864
Atys curta
Atys nonscriptus (A. Adams, 1850)
Atys obscuratus Dall, 1896
Atys riiseanus Morch, 1875
Atys sandersoni Dall, 1881
Atys semistriata
Austraeolis catina Ev. Marcus and Er. Marcus, 1967
Austroneaera semipellucida (Kuroda, 1948)
Austrorossia antillensis (Voss, 1955)
Austrorossia australis (Berry, 1918)
Austrorossia bipapillata (Sasaki, 1920)
Austrorossia enigmatica (Robson, 1924)
Austrorossia mastigophora (Chun, 1915)
Austrotrophon catalinensis (I. S. Oldroyd, 1927)
Austrotrophon cerrosensis
Axelella smithii (Dall, 1888)
Axinodon redondoensis (T. A. Burch, 1941)
Axinodon symmetros (Jeffreys, 1876)
Axinopsida cordata (A. E. Verrill and Bush, 1898)
Axinopsida orbiculata (G. O. Sars, 1878)
Axinopsida serricata (Carpenter, 1864)
Axinopsida viridis (Dall, 1901)
Axinulus careyi Bernard, 1979
Axinulus eumyaria (M. Sars, 1870)
Axinulus redondoensis (T. A. Burch, 1941)
Babakina festiva (Roller, 1972)
Babelomurex dalli (Emerson and D'Attilio, 1963)
Babelomurex mansfieldi (McGinty, 1940)
Babelomurex oldroydi (I. S. Oldroyd, 1929)
Bactrocythara asarca (Dall and Simpson, 1901)
Bactrocythara obtusa Guppy, 1896
Baeolidia benteva Er. Marcus, 1958
Baeolidia cryoporos Bouchet, 1977
Bailya anomalus (Hinds, 1844)
Bailya intricata (Dall, 1884)
Bailya parva (C. B. Adams, 1850)
Bailya weberi (Watters, 1983)
Balcis alba
Balcis compacta
Balcis devians
Balcis philippi
Balcis thersites (Carpenter, 1864)
Balconorbis uvaldensis Hershler and Longley, 1986
Balwantia soleniformis (Benson, 1836)
Bankia bipennata (Turton, 1819)
Bankia carinata (J. E. Gray, 1827)
Bankia cieba Clench and Turner, 1946
Bankia destructa Clench and Turner, 1946
Bankia fimbriatula Moll and Roch, 1931
Bankia fosteri Clench and Turner, 1946
Bankia gouldi (Bartsch, 1908)
Bankia martensi (Stempell, 1899)
Bankia setacea (Tryon, 1863)
Bankia sibirica Roch, 1934
Bankia zeteki Bartsch, 1921
Baptodoris mimetica Gosliner, 1991
Barbatia cancellaria (Lamarck, 1819)
Barbatia candida (Helbling, 1779)
Barbatia divaricata
Barbatia domingensis (Lamarck, 1819)
Barbatia reeveana (d'Orbigny, 1846)
Barbatia tenera (C. B. Adams, 1845)
Barleeia acuta
Barleeia alderi (Carpenter, 1856)
Barleeia bentleyi Bartsch, 1920
Barleeia californica Bartsch, 1920
Barleeia carpenteri Bartsch, 1920
Barleeia haliotiphila Carpenter, 1864
Barleeia oldroydi Bartsch, 1920
Barleeia sanjuanensis Bartsch, 1920
Barleeia subtenuis Carpenter, 1864
Barleeia tincta Guppy, 1895
Barleeia unifasciata
Barnea candida Linnaeus, 1758
Barnea parva Pennant, 1777
Barnea subtruncata (G. B. Sowerby I, 1834)
Barnea truncata (Say, 1822)
Bartlettia stefanensis (Moricand, 1856)
Bartschia agassizi (Clench and Aguayo, 1941)
Bartschia canetae (Clench and Aguayo, 1944)
Bartschia fusiformis (Clench and Aguayo, 1941)
Barynaias caldwellii (Lea, 1858)
Barynaias opacata (Crosse & Fischer, 1893)
Barynaias pigerrima (Crosse & Fischer, 1893)
Barynaias plexus (Conrad, 1838)
Barynaias sallei (Crosse & Fischer, 1893)
Basiliomya goreaui Bayer, 1971
Basilissa alta Watson, 1879
Basilissa callisto F. M. Bayer, 1971
Basilissa cinctellum (Dall, 1889)
Basilissa rhyssa Dall, 1927
Basilissa watsoni Dall, 1927
Basterotia corbuloidea Dall, 1899
Basterotia elliptica (Recluz, 1850)
Basterotia floridana Dall, 1903
Basterotia hertleini Durham, 1950
Basterotia peninsularis (Jordan, 1936)
Basterotia quadrata (Hanley, 1843)
Bathothauma lyromma Chun, 1906
Bathoxiphus ensiculus (Jeffereys, 1877)
Bathyarca anomala (A. E. Verrill and Bush, 1898)
Bathyarca frielei (Friele, 1877)
Bathyarca glacialis (J. E. Gray, 1824)
Bathyarca glomerula (Dall, 1881)
Bathyarca grenophia Risso, 1926
Bathyarca inaequalis (Dall, 1927)
Bathyarca inaequisculpta (E. A. Smith, 1885)
Bathyarca orbiculata (Dall, 1881)
Bathyarca pectunculoides (Scacchi, 1833)
Bathyarca philippiana (Nyst, 1848)
Bathyarca raridentata
Bathybela nudator (Locard, 1897)
Bathybembix bairdii (Dall, 1889)
Bathybuccinum clarki Kantor and Harasewych, 1998
Bathybuccinum ovulum (Dall, 1895)
Bathypolypus arcticus (Prosch, 1847)
Bathypolypus faeroensis (Russell, 1909)
Bathypolypus salebrosus (Sasaki, 1920)
Bathypolypus sponsalis (Fischer and Fischer, 1892)
Bathypolypus valdiviae (Thiele in Chun, 1915)
Bathyteuthis abyssicola Hoyle, 1885
Bathyteuthis bacidifera Roper, 1968
Bathyteuthis berryi Roper, 1968
Bathytoma viabrunnea (Dall, 1889)
Batillaria attramentaria (G. B. Sowerby II, 1855)
Batillaria minima (Gmelin, 1791)
Batillaria zonalis (Bruguiere, 1792)
Batoteuthis skolops Young and Roper, 1968
Bellaspira grippi (Dall, 1908)
Bellaspira pentagonalis (Dall, 1889)
Belonella belone (Chun, 1906)
Belonella borealis Nesis, 1972
Bentharca asperula (Dall, 1881)
Bentharca nodulosa (O. F. Mueller, 1776)
Bentharca sagrinata (Dall, 1886)
Bentheledone albida (Berry, 1917)
Bentheledone rotunda (Hoyle, 1885)
Benthobia tryonii Dall, 1889
Benthoctopus abruptus (Sasaki, 1920)
Benthoctopus berryi Robson, 1924
Benthoctopus canthylus Voss and Pearcy, 1990
Benthoctopus ergasticus (Fischer and Fischer, 1892)
Benthoctopus eureka (Robson, 1929)
Benthoctopus fuscus Taki, 1964
Benthoctopus hokkaidensis (Berry, 1921)
Benthoctopus januarii (Hoyle, 1885)
Benthoctopus leioderma (Berry, 1911)
Benthoctopus levis (Hoyle, 1885)
Benthoctopus lothei (Chun, 1913)
Benthoctopus macrophallus Voss and Pearcy, 1990
Benthoctopus magellanicus Robson, 1930
Benthoctopus oregonae Toll, 1981
Benthoctopus oregonensis Voss and Pearcy, 1990
Benthoctopus piscatorum (Verrill, 1879)
Benthoctopus profundorum Robson, 1932
Benthoctopus pseudonymus (Grimpe, 1922)
Benthoctopus robustus Voss and Pearcy, 1990
Benthoctopus sibiricus Loyning, 1930
Benthoctopus thielei Robson, 1932
Benthoctopus yaquinae Voss and Pearcy, 1990
Benthomangelia antonia (Dall, 1881)
Benthomangelia bandella (Dall, 1881)
Benthomangelia decapitata Bouchet and Waren, 1980
Benthonella fischeri Dall, 1889
Benthonella gaza Dall, 1889
Benthonella nisonis Dall, 1889
Benthonella tenella (Jeffreys, 1869)
Benthonellania acuticostata (Dall, 1889)
Benthonellania colombiana (Romer and Moore, 1988)
Benthonellania xanthias (Watson, 1886)
Berghia amakusana (Baba, 1937)
Berghia benteva (Er. Marcus, 1958)
Berghia coerulescens (Laurillard, 1830)
Beringiana beringiana (Middendorff, 1851)
Beringiana fukuharai San, Hattori & Kondo in Lopes-Lima et al., 2020
Beringiana gosannensis San, Hattori & Kondo in Lopes-Lima et al., 2020
Beringiana japonica (Clessin, 1874)
Beringius aleuticus Dall, 1895
Beringius behringi (Middendorff, 1848)
Beringius brychius (Verrill and Smith, 1885)
Beringius crebricostatus (Dall, 1877)
Beringius eyerdami A. G. Smith, 1959
Beringius indentatus Dall, 1919
Beringius kennicottii (Dall, 1871)
Beringius stimpsoni (Gould, 1860)
Beringius turtoni (Bean, 1834)
Beringius undatus Dall, 1919
Bermudaclis tampaensis Bartsch, 1947
Bernardina bakeri Dall, 1910
Berryteuthis anonychus (Pearcy and Voss, 1963)
Berryteuthis magister (Berry, 1913)
Berthelinia caribbea Edmunds, 1963
Berthella agassizii (MacFarland, 1909)
Berthella californica (Dall, 1900)
Berthella plumula (Montagu, 1803)
Berthella sideralis (Loven, 1847)
Berthella stellata (Risso, 1826)
Berthella strongi (MacFarland, 1966)
Berthella tupala Er. Marcus, 1957
Berthellina amarillus (Mattox, 1953)
Berthellina americanus (Verrill, 1885)
Berthellina engeli (Gardiner, 1936)
Besla cossmanni Hornung and Mermod, 1924
Bineurus anodontinum (Rochebrune, 1882)
Bineurus exilis (Morelet, 1866)
Bineurus loeiensis Konopleva, Bolotov, Pfeiffer, Vikhrev, Kondakov, Gofarov, Tomilova, Tanmuangpak et al., 2021
Bineurus mouhotii (Lea, 1863)
Bineurus panhai Jeratthitikul & Sutcharit, 2023
Binneya guadalupensis Pilsbry, 1927
Binneya notabilis J. G. Cooper, 1863
Biomphalaria glabrata (Say, 1818)
Biomphalaria havanensis (Pfeiffer, 1839)
Birgella subglobosus (Say, 1825)
Biserramenia psammobionta Salvini-Plawen, 1967
Bithynia tentaculata (Linnaeus, 1758)
Bittiolum alternatum (Say, 1822)
Bittiolum fastigiatum (Carpenter, 1864)
Bittiolum varium (Pfeiffer, 1840)
Bittium alternatum (Say, 1822)
Bittium arenaense Hertlein and Strong, 1951
Bittium armillatum (Carpenter, 1864)
Bittium asperum Gabb, 1861
Bittium attenuatum Carpenter, 1864
Bittium bartolomensis Bartsch, 1917
Bittium catalinense Bartsch, 1907
Bittium cerralvoense Bartsch, 1911
Bittium challisae Bartsch, 1917
Bittium eschrichtii (Middendorf, 1849)
Bittium fastigiatum Carpenter, 1864
Bittium fetellum Bartsch, 1911
Bittium inornatum Bartsch, 1911
Bittium interfossum (Carpenter, 1864)
Bittium johnstonae Bartsch, 1911
Bittium larum Bartsch, 1911
Bittium mexicanum Bartsch, 1911
Bittium munitum (Carpenter, 1864)
Bittium nicholsi Bartsch, 1911
Bittium oldroydae Bartsch, 1911
Bittium paganicum (Dall, 1919)
Bittium perparvulum
Bittium quadrifilatum Carpenter, 1864
Bittium reticulatum Da Costa, 1778
Bittium sanjuanense Bartsch, 1917
Bittium santamariensis Bartsch, 1917
Bittium serra Bartsch, 1917
Bittium subplanatum Bartsch, 1911
Bittium tumidum Bartsch, 1907
Bittium vancouverense Dall and Bartsch, 1910
Bittium varium (Pfeiffer, 1840)
Blauneria heteroclita (Montagu, 1808)
Bolitaena massyae (Robson, 1924)
Bolitaena microcotyla Steenstrup in Hoyle, 1886
Boonea bisuturalis (Say, 1822)
Boonea cincta (Carpenter, 1864)
Boonea impressa (Say, 1822)
Boonea seminuda (C. B. Adams, 1839)
Boreacola dawsoni (Jeffreys, 1864)
Boreacola vadosus Bernard, 1979
Boreocingula castanea (Moller, 1842)
Boreocingula globulus (Moller, 1842)
Boreocingula katherinae
Boreocingula martyni (Dall, 1887)
Boreoscala greenlandica (G. Perry, 1811)
Boreotrophon abyssorum Verrill, 1885
Boreotrophon aculeatus
Boreotrophon alaskanus Dall, 1902
Boreotrophon albospinosus (Willett, 1931)
Boreotrophon avalonensis Dall, 1902
Boreotrophon bentleyi Dall, 1908
Boreotrophon cepulus (Sowerby, 1880)
Boreotrophon clathratus (Linnaeus, 1767)
Boreotrophon coronatus (H. Adams and A. Adams, 1864)
Boreotrophon disparilis (Dall, 1891)
Boreotrophon elegantulus (Dall, 1907)
Boreotrophon eucymatus Dall, 1902
Boreotrophon kabati J. H. McLean, 1996
Boreotrophon keepi (Strong and Hertlein, 1937)
Boreotrophon macouni (Dall, 1910)
Boreotrophon multicostatus (Eschscholtz, 1829)
Boreotrophon orpheus (Gould, 1849)
Boreotrophon pedroanus (Arnold, 1903)
Boreotrophon raymondi (Moody, 1916)
Boreotrophon rotundatus (Dall, 1902)
Boreotrophon staphylinus (Dall, 1919)
Boreotrophon stuarti (E. A. Smith, 1880)
Boreotrophon triangulatus (Carpenter, 1864)
Boreotrophon tripherus Dall, 1902
Boreotrophon truncatus (Strom, 1768)
Boreotrophon verrilli Bush, 1893
Bornella calcarata
Bornia longipes (Stimpson, 1855)
Bornia sebetia Costa, 1829
Borsonella bartschi (Arnold, 1903)
Borsonella civitella Dall, 1919
Borsonella coronadoi (Dall, 1908)
Borsonella diegensis (Dall, 1908)
Borsonella hooveri (Arnold, 1903)
Borsonella merriami (Arnold, 1903)
Borsonella nicoli Dall, 1919
Borsonella nychia Dall, 1919
Borsonella omphale Dall, 1919
Borsonella pinosensis Bartsch, 1944
Bosellia corinneae Ev. Marcus, 1973
Bosellia marcusi Ev. Marcus, 1972
Bosellia mimetica Trinchese, 1891
Bostrychocentrum metcalfi F. G. Thompson, 1974
Bothriopupa variolosa (Gould, 1848)
Botula fusca (Gmelin, 1791)
Brachidontes adamsianus (Dunker, 1857)
Brachidontes domingensis (Lamarck, 1819)
Brachidontes exustus (Linnaeus, 1758)
Brachidontes modiolus (Linnaeus, 1767)
Brachidontes multiformes (Carpenter, 1855)
Brachioteuthis beanii Verrill, 1881 in 1880-1881
Brachioteuthis behnii (Steenstrup, 1882)
Brachioteuthis bowmani Russell, 1909
Brachioteuthis picta Chun, 1910
Brachioteuthis riisei (Steenstrup, 1882)
Brachycythara barbarae Lyons, 1972
Brachycythara biconica (C. B. Adams, 1850)
Bractechlamys antillarum (Recluz, 1853)
Bradybaena similaris (Ferussac, 1821)
Branchyostomia albella
Branchyostomia scalaris
Brazzaea anceyi Bourguignat, 1886
Brevinucula verrilli (Dall, 1886)
Brookula bohni Schwabe and Engl, 2008
Brookula charleenae Schwabe and Engl, 2008
Brookula exquisita Clarke, 1961
Brookula iki Kay, 1979
Brookula pfefferi Powell, 1951
Buccinum abyssorum A. E. Verrill, 1884
Buccinum aleuticum Dall, 1895
Buccinum amaliae Verkruzen, 1878
Buccinum angulosum J. E. Gray, 1839
Buccinum aniwanum
Buccinum baerii (Middendorff, 1848)
Buccinum belcheri Reeve, 1855
Buccinum bulimuloideum Dall, 1907
Buccinum chartium Dall, 1919
Buccinum chishimananux
Buccinum chishimanum Pilsbry, 1904
Buccinum ciliatum Fabricius, 1780
Buccinum cnismatum Dall, 1907
Buccinum cyaneum Bruguiere, 1792
Buccinum diplodetum Dall, 1907
Buccinum eugrammatum Dall, 1907
Buccinum fringillum Dall, 1877
Buccinum glaciale Linnaeus, 1761
Buccinum gouldii A. E. Verrill, 1882
Buccinum hertzensteini Verkruzen, 1882
Buccinum humphreysiana Bennett, 1825
Buccinum hydrophanum Hancock, 1846
Buccinum inexhaustum Verkruzen, 1878
Buccinum kadiakense Dall, 1907
Buccinum micropoma Thorson, 1944
Buccinum midori
Buccinum moerchi Friele, 1877
Buccinum nivale Friele, 1882
Buccinum normale Dall, 1885
Buccinum ochotense (Middendorff, 1848)
Buccinum oedematum Dall, 1907
Buccinum orotundum Dall, 1907
Buccinum pemphigus Dall, 1907
Buccinum percrassum Dall, 1883
Buccinum physematum Dall, 1919
Buccinum picturatum Dall, 1877
Buccinum planeticum Dall, 1919
Buccinum plectrum Stimpson, 1865
Buccinum polaris J. E. Gray, 1839
Buccinum rondinum Dall, 1919
Buccinum rossellinum Dall, 1919
Buccinum rossicum
Buccinum sandersoni Verrill, 1882
Buccinum scalariforme Moller, 1842
Buccinum sericatum Hancock, 1846
Buccinum sigmatopleura Dall, 1907
Buccinum simulatum Dall, 1907
Buccinum solenum Dall, 1919
Buccinum striatissimum G. B. Sowerby III, 1899
Buccinum strigillatum Dall, 1891
Buccinum tanguaryi Baker, 1919
Buccinum taphrium
Buccinum tenebrosum Hancock, 1846
Buccinum tenellum Dall, 1883
Buccinum totteni Stimpson, 1865
Buccinum tsubai
Buccinum tumidulum G. O. Sars, 1878
Buccinum undatum Linnaeus, 1758
Buccinum viridum Dall, 1889
Bufonaria bufo (Bruguiere, 1792)
Bulbus fragilis (Leach, 1819)
Bulbus smithii (Brown, 1839)
Buldowskia flavotincta (Martens, 1905)
Buldowskia iwakawai (Suzuki, 1939)
Buldowskia kamiyai San, Hattori & Kondo in Lopes-Lima et al., 2020
Buldowskia shadini (Moskvicheva, 1973)
Buldowskia suifunica (Lindholm, 1925)
Bulimnaea megasoma (Say, 1824)
Bulimulus guadalupensis (Bruguiere, 1789)
Bulla abyssicola Dall, 1881
Bulla ampulla (Linnaeus, 1758)
Bulla bermudae Verrill and Bush, 1900
Bulla clausa Dall, 1889
Bulla eburnea Dall, 1881
Bulla gemma (A. E. Verrill, 1880)
Bulla gouldiana Pilsbry, 1895
Bulla punctulata A. Adams In Sowerby, 1850
Bulla solida Gmelin, 1791
Bulla striata Bruguiere, 1792
Bullina exquisita McGinty, 1955
Bullina torrei Aguayo and Rehder, 1936
Bursa bufo (Bruguiere, 1792)
Bursa bufonia (Gmelin, 1791)
Bursa calcipicta Dall, 1908
Bursa californica (Hinds, 1843)
Bursa corrugata Perry, 1811
Bursa finlayi Mcginty, 1962
Bursa granularis Roding, 1798
Bursa grayana Dunker, 1862
Bursa ranelloides (Reeve, 1844)
Bursa rhodostoma (G. B. Sowerby I or II, 1835)
Bursa tenuisculpta (Dautzenberg and Fischer, 1906)
Bursa thomae (Orbigny, 1842)
Bursatella kachii
Bursatella leachii de Blainville, 1817
Bushia elegans (Dall, 1886)
Busycon candelabrum (Lamarck, 1816)
Busycon carica (Gmelin, 1791)
Busycon coarctatum (Sowerby, 1825)
Busycon contrarium (Conrad, 1840)
Busycon laeostomum Kent, 1982
Busycon lyonsi Petuch, 1987
Busycon perversum (Linnaeus, 1758)
Busycon pulleyi Hollister, 1958
Busycon sinistrum Hollister, 1958
Busycotypus canaliculatus (Linnaeus, 1758)
Busycotypus plagosus (Conrad, 1862)
Busycotypus spiratus (Lamarck, 1816)
Cabestana spengleri Perry, 1811
Cadlina evelinae
Cadlina flavomaculata MacFarland, 1905
Cadlina glabra Friele and Hansen, 1876
Cadlina laevis (Linnaeus, 1767)
Cadlina limbaughi Lance, 1962
Cadlina limbaughorum Lance, 1962
Cadlina luteomarginata MacFarland, 1966
Cadlina marginata MacFarland, 1905
Cadlina modesta MacFarland, 1966
Cadlina pacifica Bergh, 1879
Cadlina rumia Er. Marcus, 1955
Cadlina scabriuscula (Bergh, 1890)
Cadlina sparsa (Odhner, 1921)
Cadulus aberrans Whiteaves, 1887
Cadulus acus Dall, 1889
Cadulus aequalis Dall, 1881
Cadulus agassizii Dall, 1881
Cadulus albicomatus Dall, 1890
Cadulus amiantus Dall, 1889
Cadulus ampullaceus Watson, 1879
Cadulus arctus Henderson, 1920
Cadulus artatus Locard, 1897
Cadulus atlanticus Henderson, 1920
Cadulus austinclarki Emerson, 1951
Cadulus californicus (Pilsbry and Sharp, 1898)
Cadulus carolinensis Bush, 1885
Cadulus cucurbitus Dall, 1881
Cadulus cylindratus Jeffereys, 1877
Cadulus elongatus J. B. Henderson, 1920
Cadulus exiguus Watson, 1879
Cadulus foweyensis Henderson, 1920
Cadulus fusiformis Pilsbry and Sharp, 1898
Cadulus grandis A. E. Verrill, 1884
Cadulus greenlawi Dall, 1889
Cadulus hepburni (Dall, 1897)
Cadulus iota Henderson, 1920
Cadulus mayori (J. B. Henderson, 1920)
Cadulus miamiensis J. B. Henderson, 1920
Cadulus minusculus Dall, 1889
Cadulus obesus Watson, 1879
Cadulus pandionis (A. E. Verrill and S. Smith, 1880)
Cadulus parvus J. B. Henderson, 1920
Cadulus perpusillus (Sowerby, 1832)
Cadulus platensis Henderson, 1920
Cadulus proculum Dall, 1889
Cadulus providensis Henderson, 1920
Cadulus quadridentatus Dall, 1881
Cadulus quadrifissatus (Pilsbry and Sharp, 1898)
Cadulus rastridens Watson, 1879
Cadulus regularis Henderson, 1920
Cadulus rushii Pilsbry and Sharp, 1898
Cadulus spectabilis A. E. Verrill, 1885
Cadulus stearnsii (Pilsbry and Sharp, 1898)
Cadulus striatus Pilsbry and Sharp, 1898
Cadulus tetraschistus (Watson, 1879)
Cadulus tetrodon Pilsbry and Sharp, 1898
Cadulus tolmiei (Dall, 1897)
Cadulus transitorius (J. B. Henderson, 1920)
Cadulus tumidosus Jeffreys, 1877
Cadulus verrilli Henderson, 1920
Cadulus watsoni Dall, 1881
Caecum antillarum Carpenter, 1858
Caecum arcuatum
Caecum bakeri (Bartsch, 1920)
Caecum bipartitum de Folin, 1870
Caecum breve de Folin, 1867
Caecum californicum Dall, 1885
Caecum carolinianum Dall, 1892
Caecum carpenteri (Bartsch, 1920)
Caecum clava de Folin, 1867
Caecum condylum Moore, 1969
Caecum cooperi S. Smith, 1860
Caecum cornucopiae (Carpenter, 1858)
Caecum crebricinctum Carpenter, 1864
Caecum cubitatum (de Folin, 1868)
Caecum cycloferum de Folin, 1867
Caecum dalli Bartsch, 1920
Caecum floridanum Stimpson, 1851
Caecum glabrum Montagu, 1803
Caecum gurgulio Carpenter, 1858
Caecum heladum Olsson and Harbison, 1953
Caecum hemphilli Bartsch, 1920
Caecum heptagonum (Bartsch, 1920)
Caecum imbricatum Carpenter, 1858
Caecum imperforatum Kanamacher, 1798
Caecum insularum Moore, 1969
Caecum johnsoni Winkley, 1908
Caecum liratocinctum Carpenter, 1857
Caecum nitidum Stimpson, 1851
Caecum oahuense
Caecum occidentale (Bartsch, 1920)
Caecum orcutti (Dall, 1885)
Caecum plicatum Carpenter, 1858
Caecum profundicolum Bartsch, 1920
Caecum pulchellum Stimpson, 1851
Caecum regulare Carpenter, 1858
Caecum rosanum Bartsch, 1920
Caecum ryssotitum de Folin, 1867
Caecum sepimentum
Caecum strigosum de Folin, 1868
Caecum subvolutum de Folin, 1874
Caecum textile de Folin, 1867
Caecum tornatum Verrill And Bush, 1900
Caecum tortile Dall, 1892
Caecum vestitum de Folin, 1868
Caelatura rustica (Watson, 1886)
Cahuillus greggi (W. B. Miller, 1981)
Cahuillus indioensis (Yates, 1890)
Calinaticina oldroydii (Dall, 1897)
Caliphylla mediterranea (A. Costa, 1867)
Calliodentalium callipeplum (Dall, 1889)
Calliostoma adelae Schwengel, 1951
Calliostoma adspersum (Philippi, 1851)
Calliostoma anitoni Koch, 1843
Calliostoma annulatum (Lightfoot, 1786)
Calliostoma arestum Dall, 1927
Calliostoma atlantis Clench and Aguayo, 1940
Calliostoma aurora Dall, 1888
Calliostoma bairdii A. E. Verrill and S. Smith, 1880
Calliostoma barbouri Clench and Aguayo, 1946
Calliostoma benedicti Dall, 1889
Calliostoma bernardi J. H. McLean, 1984
Calliostoma bigelowi Clench and Aguayo, 1938
Calliostoma blakei Clench and Aguayo, 1938
Calliostoma brunneum (Dall, 1881)
Calliostoma bullisi Clench and Turner, 1960
Calliostoma canaliculatum (Lightfoot, 1786)
Calliostoma carcellesi Clench and Aguayo, 1940
Calliostoma circumcinctum Dall, 1880
Calliostoma conulus (Linnaeus, 1758)
Calliostoma coppingeri (E. A. Smith, 1880)
Calliostoma costatum Martyn
Calliostoma cubanum Clench and Aguayo, 1940
Calliostoma dentatum Quinn, 1992
Calliostoma echinatum Dall, 1881
Calliostoma euglyptum (A. Adams, 1855)
Calliostoma eximium (Reeve, 1843)
Calliostoma fascinans Schwengel and McGinty, 1942
Calliostoma formosum (Mcandrews and Forbes, 1847)
Calliostoma gemmulatum Carpenter, 1864
Calliostoma gloriosum Dall, 1871
Calliostoma gordanum J. H. McLean, 1970
Calliostoma granulatum (Born, 1778)
Calliostoma halibrectum Dall, 1927
Calliostoma hassler Clench and Aguayo, 1939
Calliostoma hendersoni Dall, 1927
Calliostoma indiana Dall, 1889
Calliostoma javanicum (Lamarck, 1822)
Calliostoma jeanneae Clench and Turner, 1960
Calliostoma jucundum (Gould, 1894)
Calliostoma jujubinum (Gmelin, 1791)
Calliostoma kampsa Dall, 1927
Calliostoma keenae J. H. McLean, 1970
Calliostoma leanum (C. B. Adams, 1852)
Calliostoma ligatum (Gould, 1849)
Calliostoma marionae Dall, 1906
Calliostoma marshalli Lowe, 1935
Calliostoma mcleani Shasky and Campbell, 1964
Calliostoma militare Von Ihering, 1907
Calliostoma nepheloide Dall, 1913
Calliostoma occidentale (Mighels and C. B. Adams, 1842)
Calliostoma orion Dall, 1889
Calliostoma palmeri Dall, 1871
Calliostoma papillosum
Calliostoma platinum Dall, 1890
Calliostoma psyche Dall, 1889
Calliostoma pulchrum (C. B. Adams, 1850)
Calliostoma rioensis Dall, 1890
Calliostoma roseolum Dall, 1881
Calliostoma sanjaimense J. H. McLean, 1970
Calliostoma sapidum Dall, 1881
Calliostoma sarcodum Dall, 1927
Calliostoma sayanum Dall, 1889
Calliostoma scalenum Quinn, 1992
Calliostoma schroederi Clench and Aguayo, 1938
Calliostoma splendens Carpenter, 1864
Calliostoma springeri Clench and Turner, 1960
Calliostoma supragranosum Carpenter, 1864
Calliostoma tampaense (Conrad, 1846)
Calliostoma tittarium Dall, 1927
Calliostoma torrei Clench and Aguayo, 1940
Calliostoma trachystum Dall, 1927
Calliostoma tricolor Gabb, 1865
Calliostoma turbinum Dall, 1896
Calliostoma variegatum Carpenter, 1864
Calliostoma yucatecanum Dall, 1881
Calliostoma zizyphinum (Linnaeus, 1758)
Calliostoma zonamestrum A. Adams, 1851
Calliotropis carlotta (Dall, 1889)
Calliotropis ottoi (Philippi, 1844)
Calliotropis regalis (A. E. Verrill and S. Smith, 1880)
Calliotropis regulata
Callista chione (Linnaeus, 1758)
Callista eucymata (Dall, 1890)
Callistochiton asthenes (S. S. Berry, 1919)
Callistochiton crassicostatus
Callistochiton decoratus Keep, 1887
Callistochiton palmulatus Dall, 1879
Callistochiton portobelensis Ferreira, 1976
Callistochiton shuttleworthianus Pilsbry, 1893
Callochiton laevis
Callochiton septemvalvis (Montagu, 1803)
Callonaia duprei (Récluz, 1842)
Calloplax janeirensis (Gray, 1828)
Callumbonella gorgonarum (Fischer, 1883)
Callumbonella suturale (Philippi, 1836)
Calma glaucoides
Calotrophon andrewsi Vokes, 1976
Calotrophon incompta (S. S. Berry, 1960)
Calotrophon ostrearum (Conrad, 1846)
Calotrophon philippiana (Dall, 1889)
Calycidoris guentheri Abraham, 1876
Calyptoconcha pellucida (A. E. Verrill, 1880)
Calyptogena pacifica Dall, 1891
Calyptraea burchi A. G. Smith and M. Gordon, 1948
Calyptraea centralis (Conrad, 1841)
Calyptraea chinensis Linnaeus, 1758
Calyptraea contorta
Calyptraea fastigiata Gould, 1846
Cambarunio dactylus (Lea, 1840)
Cambarunio hesperus Watters, 2018
Cambarunio iris (Lea, 1829)
Cambarunio jonesii (Lea, 1859)
Cambarunio nebulosus (Conrad, 1834)
Cambarunio simus (Lea, 1838)
Cambarunio taeniatus (Conrad, 1834)
Campeloma brevispirum F. C. Baker, 1928
Campeloma crassulum Rafinesque, 1819
Campeloma decampi (W. G. Binney, 1865)
Campeloma decisum (Say, 1817)
Campeloma floridense Call, 1886
Campeloma geniculum (Conrad, 1834)
Campeloma limum (Anthony, 1860)
Campeloma milesi (Lea, 1863)
Campeloma parthenum Vail, 1979
Campeloma regulare (Lea, 1841)
Campeloma rufum (Haldeman, 1841)
Cancellaria adelae Pilsbry, 1940
Cancellaria cooperii Gabb, 1865
Cancellaria crawfordiana Dall, 1891
Cancellaria reticulata (Linnaeus, 1767)
Cancellaria richardpetiti Petuch, 1987
Candidula intersecta (Poiret, 1801)
Cantharidus exasperatus
Cantharidus striatus
Cantharus cancellarius (Conrad, 1846)
Cantharus massena (Risso, 1826)
Cantharus multangulus (Philippi, 1848)
Capulacmaea commoda (Middendorff, 1851)
Capulus californicus Dall, 1900
Capulus incurvus (Gmelin, 1791)
Capulus ungaricus (Linnaeus, 1767)
Caracolus marginella (Gmelin, 1791)
Cardiapoda placenta (Lesson, 1830)
Cardiomya abyssicola (Verrill and Bush, 1898)
Cardiomya balboae (Dall, 1916)
Cardiomya behringensis (Leche, 1883)
Cardiomya californica (Dall, 1886)
Cardiomya costata (Sowerby, 1834)
Cardiomya costellata (Deshayes, 1830)
Cardiomya gemma A. E. Verrill and Bush, 1898
Cardiomya glypta (Bush, 1885)
Cardiomya isolirata Bernard, 1969
Cardiomya multicostata Verrill and Smith, 1898
Cardiomya oldroydi (Dall, 1924)
Cardiomya ornatissima (d'Orbigny, 1842)
Cardiomya pectinata (Carpenter, 1864)
Cardiomya perrostrata (Dall, 1881)
Cardiomya planetica (Dall, 1908)
Cardiomya pseutes
Cardiomya striata (Jeffreys, 1876)
Cardita borealis
Cardita ventricosa
Carditamera floridana Conrad, 1838
Carditamera gracilis (Shuttleworth, 1856)
Carditella hawarensis
Carditopsis bernardi (Dall, 1903)
Carditopsis smithii (Dall, 1896)
Cardium echinatum
Cardium exiguum
Cardium ovale
Cardium pavcicostatum
Cardium scabrum
Careliopsis styliformis (Morch, 1875)
Carenzia carinata (Jeffreys, 1877)
Caribachlamys imbricata (Gmelin, 1791)
Caribachlamys mildredae (Bayer, 1941)
Caribachlamys ornata (Lamarck, 1819)
Caribachlamys sentis (Reeve, 1853)
Carinacauda stormi Leonard, Chichester, Richart and Young, 2011
Carinapex minutissima
Carinapex papillosa
Carinaria cithara Benson, 1835
Carinaria cristata (Linnaeus, 1767)
Carinaria galea Benson, 1835
Carinaria japonica
Carinaria lamarcki Peron and Lesueur, 1810
Carinoturris adrastia (Dall, 1919)
Carinoturris fortis Bartsch, 1944
Carinoturris polycaste (Dall, 1919)
Carychium clappi Hubricht, 1959
Carychium exiguum (Say, 1822)
Carychium exile Lea, 1842
Carychium mexicanum Pilsbry, 1891
Carychium minimum Muller, 1774
Carychium nannodes G. H. Clapp, 1905
Carychium occidentale Pilsbry, 1891
Carychium riparium Hubricht, 1978
Carychium stygium Call, 1897
Carychium tridentatum (Risso, 1826)
Caryocorbula porcella (Dall, 1916)
Casmaria ponderosa (Gmelin, 1791)
Cassis cornuta Linnaeus, 1758
Cassis flammea (Linnaeus, 1758)
Cassis madagascariensis Lamarck, 1822
Cassis tuberosa (Linnaeus, 1758)
Castalia ambigua Lamarck, 1819
Castalia cordata Swainson, 1840
Castalia crosseana Hidalgo, 1865
Castalia ecarinata Mousson, 1869
Castalia inflata d'Orbigny, 1835
Castalia martensi (Ihering, 1891)
Castalia multisulcata Hupé, 1857
Castalia nehringi (Ihering, 1891)
Castalia orbignyi (Deville & Hupé, 1850)
Castalia orinocensis Morrison, 1943
Castalia psammoica (d'Orbigny, 1835)
Castalia stevensi (H.B. Baker, 1930)
Castalia undosa Martens, 1885
Castaliella quadrata (Sowerby, 1869)
Castaliella schombergiana (Sowerby, 1869)
Castaliella sulcata (Krauss, 1849)
Catinella aprica Hubricht, 1968
Catinella avara (Say, 1824)
Catinella gabbii (Tryon, 1866)
Catinella hubrichti Grimm, 1960
Catinella oklahomarum (Webb, 1953)
Catinella parallela Franzen, 1979
Catinella pinicola Grimm, 1960
Catinella protracta Franzen, 1983
Catinella pugilator Hubricht, 1961
Catinella rehderi (Pilsbry, 1948)
Catinella stretchiana (Bland, 1865)
Catinella texana Hubricht, 1961
Catinella vagans (Pilsbry, 1900)
Catinella vermeta (Say, 1829)
Catinella waccamawensis Franzen, 1981
Catinella wandae (Webb, 1953)
Catriona aurantia (Alder and Hancock, 1842)
Catriona columbiana (O'Donoghue, 1922)
Catriona gymnota (Couthouy, 1838)
Catriona maua Ev. Marcus and Er. Marcus, 1960
Catriona oba Ev. Marcus, 1970
Catriona rickettsi Behrens, 1984
Caudiculatus caudiculatus (Martens, 1867)
Cavolinia gibbosa (d'Orbigny, 1836)
Cavolinia globosa Nomen Nudum
Cavolinia inflexa (Lesueur, 1813)
Cavolinia longirostratus (de Blainville, 1821)
Cavolinia longirostris (Blainville, 1821)
Cavolinia occidentalis
Cavolinia quadridentata
Cavolinia tridentata (Niebuhr, 1775)
Cavolinia uncinata (Rang, 1829)
Cecilioides acicula (Muller, 1774)
Cecilioides aperta (Swainson, 1840)
Cecilioides apertus (Swainson, 1840)
Cecina manchurica A. Adams, 1861
Cellana sandwicensis (Pease, 1861)
Cellana talcosa (Gould, 1846)
Cenchritis muricatus (Linnaeus, 1758)
Cepaea hortensis (Muller, 1774)
Cepaea nemoralis (Linnaeus, 1758)
Cephalobranchia bonnevii Massy, 1917
Cephalobranchia macrochaeta Bonnevie, 1913
Cerastoderma edule (Linnaeus, 1758)
Cerastoderma elegantulum Beck, 1842
Cerastoderma glaucum (Poiret, 1789)
Cerastoderma lamarcki
Cerastoderma pinnulatum (Conrad, 1831)
Ceratophyllidia papilligera (Bergh, 1890)
Ceratostoma foliatum (Gmelin, 1791)
Ceratostoma nuttalli (Conrad, 1837)
Ceratozona squalida (C. B. Adams, 1845)
Cerberilla bernadetti Tardy, 1965
Cerberilla mosslandica McDonald and Nybakken, 1975
Cerberilla tanna Ev. Marcus and Er. Marcus, 1960
Cerion casablancae Bartsch, 1920
Cerion chrysalis (Ferussac in Beck, 1837)
Cerion incanum (A. Binney, 1851)
Cerion sculptum (Poey, 1858)
Cerion tridentatum Pilsbry and Vanatta, 1895
Cerion viaregis Bartsch, 1920
Cerithidea californica (Haldeman, 1840)
Cerithidea costata (E. M. da Costa, 1778)
Cerithidea decollata Linnaeus, 1758
Cerithidea fuscata Gould, 1857
Cerithidea montagnei (Orbigny, 1837)
Cerithidea pliculosa (Menke, 1829)
Cerithidea scalariformis (Say, 1825)
Cerithidea valida (C. B. Adams, 1852)
Cerithidium diplax
Cerithidium perparuulum
Cerithiella metula (Loven, 1846)
Cerithiella producta Dall, 1927
Cerithiella whiteavesi Verrill, 1880
Cerithiopsida diegensis (Bartsch, 1911)
Cerithiopsida rowelli (Bartsch, 1911)
Cerithiopsidella alcima (Bartsch, 1911)
Cerithiopsidella antefilosa (Bartsch, 1911)
Cerithiopsidella cosmia (Bartsch, 1907)
Cerithiopsina signa (Bartsch, 1921)
Cerithiopsis abruptum Watson, 1880
Cerithiopsis albovittata (C. B. Adams, 1850)
Cerithiopsis alcima Bartsch, 1911
Cerithiopsis althea (Dall, 1927)
Cerithiopsis antefilosum Bartsch, 1911
Cerithiopsis antemunda Bartsch, 1911
Cerithiopsis apicinum (Dall, 1927)
Cerithiopsis ara Dall and Bartsch, 1911
Cerithiopsis argenteum (Dall, 1927)
Cerithiopsis arnoldi Bartsch, 1911
Cerithiopsis aurea Bartsch, 1911
Cerithiopsis bakeri Bartsch, 1917
Cerithiopsis benthicum (Dall, 1927)
Cerithiopsis berryi Bartsch, 1911
Cerithiopsis bicolor (C. B. Adams, 1850)
Cerithiopsis bristolae Baker, Hanna, and Strong, 1938
Cerithiopsis carpenteri Bartsch, 1911
Cerithiopsis cesta Bartsch, 1911
Cerithiopsis charlottensis Bartsch, 1917
Cerithiopsis columna Carpenter, 1864
Cerithiopsis cosmia Bartsch, 1907
Cerithiopsis costulatum Moller, 1842
Cerithiopsis crystallinum Dall, 1881
Cerithiopsis cynthia Bartsch, 1911
Cerithiopsis decorum (Dall, 1927)
Cerithiopsis diegensis Bartsch, 1911
Cerithiopsis diomedeae Bartsch, 1911
Cerithiopsis docata (Dall, 1927)
Cerithiopsis elima (Dall, 1927)
Cerithiopsis eliza (Dall, 1927)
Cerithiopsis elsa (Dall, 1927)
Cerithiopsis emersonii (C. B. Adams, 1839)
Cerithiopsis exile
Cerithiopsis flava (C. B. Adams, 1850)
Cerithiopsis fraseri Bartsch, 1921
Cerithiopsis fusiformis (C. B. Adams, 1850)
Cerithiopsis gemmulosa (C. B. Adams, 1847)
Cerithiopsis georgianum (Dall, 1927)
Cerithiopsis gloriosa Bartsch, 1911
Cerithiopsis greenii (C. B. Adams, 1839)
Cerithiopsis grippi Bartsch, 1917
Cerithiopsis halia Bartsch, 1911
Cerithiopsis hero Bartsch, 1911
Cerithiopsis honora (Dall, 1927)
Cerithiopsis ingens (Bartsch, 1907)
Cerithiopsis io Dall and Bartsch, 1911
Cerithiopsis iontha Bartsch, 1911
Cerithiopsis iota (C. B. Adams, 1845)
Cerithiopsis jeffreysi Watson, 1885
Cerithiopsis kinoi Baker, Hanna, and Strong, 1938
Cerithiopsis lata (C. B. Adams, 1850)
Cerithiopsis latum (C. B. Adams, 1850)
Cerithiopsis leipha (Dall, 1927)
Cerithiopsis martensii Dall, 1881
Cerithiopsis merida (Dall, 1927)
Cerithiopsis metaxae Della Chiaje, 1829
Cerithiopsis montereyensis Bartsch, 1911
Cerithiopsis movilla Dall and Bartsch, 1911
Cerithiopsis onealensis Bartsch, 1921
Cerithiopsis oxys Bartsch, 1911
Cerithiopsis paramoea Bartsch, 1911
Cerithiopsis pedroana Bartsch, 1907
Cerithiopsis pesa Dall and Bartsch, 1911
Cerithiopsis petala (Dall, 1927)
Cerithiopsis porteri Baker, Hanna, and Strong. 1938
Cerithiopsis pulchellum Jeffreys, 1858
Cerithiopsis pupa Dall and Stimpson, 1901
Cerithiopsis rowelli Bartsch, 1911
Cerithiopsis rugulosum (C. B. Adams, 1850)
Cerithiopsis serina (Dall, 1927)
Cerithiopsis signa Bartsch, 1911
Cerithiopsis sigsbeanum Dall, 1881
Cerithiopsis stejnegeri Dall, 1884
Cerithiopsis stephensae Bartsch, 1909
Cerithiopsis subgloriosa Baker, Hanna, and Strong, 1938
Cerithiopsis subulata (Montagu, 1808)
Cerithiopsis truncatum Dall, 1886
Cerithiopsis tubercularis Montagu, 1803
Cerithiopsis tuberculatus Montagu, 1803
Cerithiopsis tumida (Bartsch, 1907)
Cerithiopsis vanhyningi Bartsch, 1918
Cerithiopsis vicola Dall and Bartsch, 1911
Cerithiopsis virginica J. B. Henderson and Bartsch, 1914
Cerithiopsis vitreum (Dall, 1927)
Cerithium atratum (Born, 1778)
Cerithium caribbaeum M. Smith, 1946
Cerithium chara Pilsbry, 1949
Cerithium eburneum Bruguiere, 1792
Cerithium gemmatum Hinds, 1844
Cerithium guinaicum Philippi, 1849
Cerithium interstriatum
Cerithium lindae Petuch, 1987
Cerithium litteratum (Born, 1778)
Cerithium lutosum Menke, 1828
Cerithium lymani Pilsbry, 1949
Cerithium maculosum Kiener, 1841
Cerithium menkei Carpenter, 1857
Cerithium moenensis Gabb, 1881
Cerithium muscarum Say, 1822
Cerithium mutabile Lamarck, 1804
Cerithium stercusmuscarum Valenciennes, 1833
Cerithium uncinatum Gmelin, 1791
Cerithium variabile Deshayes, 1833
Cerithium versicolor Philippi, 1848
Ceritoturris bittium
Cernuella virgata (Muller, 1774)
Cerodrillia abdera (Dall, 1919)
Cerodrillia bahamensis Bartsch, 1943
Cerodrillia bealiana Schwengel and McGinty, 1942
Cerodrillia cervina Bartsch, 1943
Cerodrillia clappa Bartsch and Rehder, 1939
Cerodrillia clappi Bartsch and Rehder, 1939
Cerodrillia cybele (Pilsbry and Lowe, 1932)
Cerodrillia girardi Lyons, 1972
Cerodrillia hendersoni Bartsch, 1943
Cerodrillia perryae Bartsch and Rehder, 1939
Cerodrillia thea (Dall, 1884)
Cerodrillia verrillii (Dall, 1881)
Cerodrillia williami Bartsch, 1943
Cetoconcha atypha Verrill and Bush, 1898
Cetoconcha bulla (Dall, 1881)
Cetoconcha malespinae Ridewood, 1903
Cetoconcha margarita (Dall, 1886)
Cetoconcha smithii Dall, 1908
Chaceia ovoidea (Gould, 1851)
Chaenaxis tuba (Pilsbry and Ferriss, 1906)
Chaetoderma argenteum Heath, 1911
Chaetoderma bacillum
Chaetoderma canadense Nierstrasz, 1902
Chaetoderma elegans Scheltema, 1997
Chaetoderma hancocki (Schwabl, 1963)
Chaetoderma lucidum
Chaetoderma marinelli (Schwabl, 1963)
Chaetoderma nanulum Heath, 1911
Chaetoderma nitidulum Loven, 1844
Chaetoderma pacificum (Schwabl, 1963)
Chaetoderma productum Wiren, 1892
Chaetoderma robustum Heath, 1911
Chaetoderma scabrum Heath, 1911
Chaetoderma squamosum Heath, 1918
Chaetoderma vadorum Heath, 1918
Chaetopleura apiculata (Say, 1834)
Chaetopleura beanii (Carpenter, 1857)
Chaetopleura gemma Dall, 1879
Chaetopleura janeirensis (J. E. Gray, 1828)
Chaetopleura lanuginosa (Dall, 1879)
Chaetopleura scabricula (Sowerby, 1832)
Chaetopleura staphylophera Lyons, 1985
Chama arcana Bernard, 1976
Chama congregata Conrad, 1833
Chama echinata Broderip, 1835
Chama florida Lamarck, 1819
Chama frondosa Broderip, 1835
Chama lactuca Dall, 1886
Chama macerophylla Gmelin, 1791
Chama pellucida Broderip, 1835
Chama sarda Reeve, 1847
Chama sinuosa Broderip, 1835
Chama sordida Broderip, 1835
Chama venosa Reeve, 1837
Chamaearionta aquaealbae (S. S. Berry, 1922)
Chambardia bourguignati (Bourguignat, 1885)
Chambardia flava (Pilsbry & Bequaert, 1927)
Chambardia letourneuxi Bourguignat in Servain, 1890
Chambardia moutai (Dartevelle, 1939)
Chambardia nyassaensis (Lea, 1864)
Chambardia petersi (Martens, 1860)
Chambardia rubens (Lamarck, 1819)
Chambardia trapezia (Martens, 1897)
Chambardia wahlbergi (Krauss, 1848)
Chambardia welwitschii (Morelet, 1868)
Chambardia wissmanni (Martens, 1883)
Chamberlainia duclerci (Rochebrune, 1882)
Chamberlainia hainesiana (Lea, 1856)
Chamberlainia somsakpanhai Kongim, Sutcharit & Jeratthitkul, 2023
Chamelea gallina (Linnaeus, 1758)
Charonia tritonis (Linnaeus, 1758)
Charonia variegata (Lamarck, 1816)
Chauvetea brunnea
Chauvetia brunnea (Donovan, 1804)
Cheilea corrugata (Broderip, 1834)
Cheilea equestris (Linnaeus, 1758)
Chelidonopsis hirundo (Martens, 1881)
Chelidonura hirundinina (Quoy and Gaimard, 1833)
Chelidonura sabina Er. Marcus and Ev. Marcus, 1970
Chicomurex laciniatus (G. B. Sowerby II, 1841)
Chicomurex superbus (G. B. Sowerby III, 1889)
Chicoreus beauii (P. Fischer and Bernardi, 1857)
Chicoreus cailleti (Petit de la Saussaye, 1856)
Chicoreus consuela (A. H. Verrill, 1950)
Chicoreus dilectus (A. Adams, 1855)
Chicoreus florifer
Chicoreus formosus (Sowerby, 1841)
Chicoreus mergus Vokes, 1974
Chicoreus oculatus (Reeve, 1845)
Chicoreus pomum (Gmelin, 1791)
Chione amathusia (Philippi, 1844)
Chione californiensis (Broderip, 1835)
Chione cancellata (Linnaeus, 1767)
Chione cingenda
Chione gnidea (Broderip and Sowerby, 1829)
Chione kellettii (Hinds, 1845)
Chione mariae (Orbigny, 1846)
Chione paphia (Linnaeus, 1767)
Chione picta Willett, 1944
Chione pulicaria (Broderip, 1835)
Chione purpurissata Dall, 1902
Chione squamosa (Carpenter, 1857)
Chione subimbricata (Sowerby, 1835)
Chione subrugosa (Wood, 1828)
Chione succincta Linnaeus, 1767
Chione undatella (G. B. Sowerby I, 1835)
Chionista fluctifraga (G. B. Sowerby II, 1853)
Chiroteuthis atlanticus (MacDonald and Clench, 1934)
Chiroteuthis calyx Young, 1972
Chiroteuthis diaphana (Verrill, 1884)
Chiroteuthis imperator Chun, 1908
Chiroteuthis joubini Voss, 1967
Chiroteuthis mega (Joubin, 1932)
Chiroteuthis picteti Joubin, 1894
Chiroteuthis spoeli Salcedo-Vargas, 1996
Chiroteuthis veranyi (Férussac, 1834)
Chiton albolineatus
Chiton articulatus Sowerby, 1832
Chiton laevigatus Flemming, 1828
Chiton marmoratus
Chiton squamosus
Chiton stokesi
Chiton tuberculatus Linnaeus, 1758
Chiton virgulatus
Chiton viridis Spengler, 1797
Chlamydoconcha orcutti Dall, 1884
Chlamylla borealis Bergh, 1886
Chlamys albida (R. Arnold, 1906)
Chlamys behringiana (Middendorff, 1849)
Chlamys bruei (Payraudeau, 1826)
Chlamys circularis (Sowerby, 1835)
Chlamys distorta
Chlamys hastata (G. B. Sowerby II, 1842)
Chlamys islandica (Müller, 1776)
Chlamys jordani Arnold, 1903
Chlamys kincaidi Oldroyd, 1929
Chlamys liocymatus (Dall, 1925)
Chlamys lioicus (Dall, 1907)
Chlamys lowei (Hertlein, 1935)
Chlamys muscosus Wood, 1828
Chlamys navarcha Dall, 1898
Chlamys opercularis (Linnaeus, 1758)
Chlamys pseudislandica MacNeil, 1967
Chlamys rubida (Hinds, 1845)
Chlamys septemradiatus
Chlamys strategus
Chlamys subsulcata (Locard, 1898)
Chlamys sulcata (O. F. Mueller, 1776)
Chlamys tigerina
Chlamys varia
Chlamys wainwrightensis
Chondropoma dentatum (Say, 1825)
Choristes elegans Carpenter in Dawson, 1872
Choristodon robustum (G. B. Sowerby I, 1834)
Chromodoris aila Er. Marcus, 1961
Chromodoris binza Ev. Marcus and Er. Marcus, 1963
Chromodoris clenchi (Russell, 1935)
Chromodoris dalli (Bergh, 1879)
Chromodoris kempfi Ev. Marcus, 1970
Chromodoris macfarlandi Cockerell, 1901
Chromodoris morchii Bergh, 1879
Chromodoris nyalya Ev. Marcus and Er. Marcus, 1967
Chromodoris punctilucens Bergh, 1890
Chromodoris roseopicta (A. E. Verrill, 1900)
Chrysallida cancellata (d'Orbigny, 1842)
Chrysallida decussata
Chrysallida gemmulosa (C. B. Adams, 1850)
Chrysallida obtusa
Chrysallida spiralis
Chrysallida toroensis (Olsson and McGinty, 1958)
Chtenopteryx chuni Pfeffer, 1912
Chtenopteryx sepioloides (Rancurel, 1970)
Chtenopteryx sicula (Verany, 1851)
Chunioteuthis ebersbachii Grimpe, 1916
Chunioteuthis gilchristi (Robson, 1924)
Cidarina cidaris (A. Adams, 1864)
Cincinnatia integra (Say, 1821)
Cingula alaskana Bartsch, 1912
Cingula aleutica Dall, 1886
Cingula asser (Bartsch, 1910)
Cingula castanea (Moller, 1842)
Cingula cerinella
Cingula cingillis (Montagu, 1803)
Cingula eyerdami
Cingula fernandinae Dall, 1927
Cingula floridana
Cingula forresterensis
Cingula katherinae Bartsch, 1912
Cingula kyskensis
Cingula martyni Dall, 1887
Cingula megalomastomus Olsson and McGinty, 1958
Cingula moerchi Collin, 1887
Cingula montereyensis Bartsch, 1912
Cingula palmeri
Cingula pulcherrima
Cingula robertsoni
Cingula robusta
Cingula scipio Dall, 1887
Cingula semistriata Montagu, 1803
Cingula stewardsoni (Vanatta, 1909)
Cingulina babylonia (C. B. Adams, 1845)
Cingulina evermanni Baker, Hanna, and Strong, 1928
Cingulina urdeneta (Bartsch, 1917)
Cingulopsis fulgida
Cionella lubrica (Muller, 1774)
Cionella lubricella (Porro, 1838)
Cionella morseana Doherty, 1878
Cionella nitens (Gallenstein, 1848)
Cipangopaludina chinensis (Gray, 1834)
Cipangopaludina japonica (von Martens, 1861)
Circomphalus callimorphus (Dall, 1902)
Circomphalus casina (Linnaeus, 1758)
Circomphalus fordi (Yates, 1890)
Circomphalus strigillinus (Dall, 1902)
Circulus cosmius Bartsch, 1907
Circulus cubanus Pilsbry and Aguaya, 1933
Circulus dalli Bush, 1897
Circulus hendersoni (Olsson and McGinty, 1958)
Circulus liratus (Verrill, 1882)
Circulus margaritiformis Dall, 1927
Circulus multistriatus (A. E. Verrill, 1884)
Circulus rossellinus Dall, 1919
Circulus semisculptus (Olsson and McGinty, 1958)
Circulus suppressus (Dall, 1889)
Circulus texanus (Moore, 1965)
Circulus translucens Dall, 1927
Cirroteuthis hoylei Robson, 1932
Cirroteuthis magna Hoyle, 1885
Cirroteuthis massyae Grimpe, 1920
Cirroteuthis mulleri Eschricht, 1836
Cirrothauma murrayi Chun, 1911
Cirsotrema arcella Rehder, 1945
Cirsotrema dalli Rehder, 1945
Cirsotrema pilsbryi (McGinty, 1940)
Cirsotrema togatum Hertlein and Strong, 1951
Cirsotrema varicosa
Cirsotrema vulpinum (Hinds, 1844)
Cistopus indicus (Rapp, 1835 in Férussac and D'Orbigny, 1834-1848)
Cittarium pica (Linnaeus, 1758)
Clappia cahabensis Clench, 1965
Clappia umbilicata (Walker, 1904)
Clathromangelia fuscoligata (Dall, 1871)
Clathromangelia interfossa (Carpenter, 1864)
Clathrus clathrus
Clathurella canfieldi (Dall, 1871)
Clathurella capaniola (Dall, 1919)
Clathurella castianira Dall, 1919
Clathurella conradiana Gabb, 1869
Clathurella crystallina Gabb, 1865
Clathurella eversoni Tippett, 1995
Clathurella rava (Hinds, 1843)
Clathurella rigida (Hinds, 1843)
Clausinella fasciata (Da Costa, 1778)
Clavus cadensai (Clench and Aguayo, 1939)
Clavus flammulatus Montfort, 1910
Clavus johnsoni (Bartsch, 1934)
Cleba chrysosticta
Cleba cordata Niebuhr, 1776
Clinocardium blandum (Gould, 1850)
Clinocardium californiense (Deshayes, 1839)
Clinocardium ciliatum (Fabricius, 1780)
Clinocardium nuttallii (Conrad, 1837)
Clinopegma magnum (Dall, 1895)
Clio andreae (Boas, 1886)
Clio balantium Rang, 1834
Clio chaptalii J. E. Gray, 1850
Clio cuspidata (Bosc, 1802)
Clio polita (Pelseneer, 1888)
Clio pyramidata Linnaeus, 1767
Clio recurva (Children, 1823)
Clione antarctica (Smith, 1902)
Clione limacina (Phipps, 1774)
Cliopsis krohnii Troschel, 1854
Coccopigya spinigera (Jeffreys, 1883)
Cocculina agassizi Dall, 1908
Cocculina beani Dall, 1882
Cocculina casanica Dall, 1919
Cocculina conica Verrill, 1884
Cocculina dalli Verrill, 1884
Cocculina georgiana Dall, 1927
Cocculina leptalea Verrill, 1884
Cocculina lissocona Dall, 1927
Cocculina portoricensis Dall and Simpson, 1901
Cocculina rathbuni Dall, 1882
Cocculina reticulata A. E. Verrill, 1885
Cocculina rotunda Dall, 1927
Cocculina spinigera Jeffreys, 1883
Cochlespira cedonulli (Reeve, 1843)
Cochlespira elegans (Dall, 1881)
Cochlespira radiata (Dall, 1889)
Cochlicella barbara (Linnaeus, 1758)
Cochlicopa lubrica (Muller, 1774)
Cochlicopa lubricella (Porro, 1838)
Cochlicopa morseana (Doherty, 1878)
Cochlicopa nitens (Gallenstein, 1848)
Cochliolepis holmesii (Dall, 1889)
Cochliolepis parasitica Stimpson, 1858
Cochliolepis striata Dall, 1889
Cochliopina riograndensis (Pilsbry and Ferriss, 1906)
Cochlodesma praetenue (Pulteney, 1799)
Cochlodesma tenerum (Jeffreys, 1880)
Cochlodinella poeyana (d'Orbigny, 1841)
Codakia costata (d'Orbigny, 1842)
Codakia cubana Dall, 1901
Codakia decussata (O. G. Costa, 1836)
Codakia distinguenda (Tryon, 1872)
Codakia orbicularis (Linnaeus, 1758)
Codakia orbiculata (Montagu, 1808)
Codakia pectinella (C. B. Adams, 1852)
Coelatura aegyptiaca (Cailliaud, 1827)
Coelatura alluaudi (Dautzenberg, 1908)
Coelatura bakeri (H. Adams, 1866)
Coelatura briarti (Dautzenberg, 1901)
Coelatura choziensis (Preston, 1910)
Coelatura cridlandi Mandahl-Barth, 1954
Coelatura disciformis (Rochebrune, 1886)
Coelatura essoensis (Chaper, 1885)
Coelatura gabonensis (Küster, 1862)
Coelatura hauttecoeuri (Bourguignat, 1883)
Coelatura horei (E. A. Smith, 1880)
Coelatura hypsiprymna (Martens, 1897)
Coelatura kipopoensis Mandahl-Barth, 1968
Coelatura kunenensis (Mousson, 1887)
Coelatura leopoldvillensis (Putzeys, 1898)
Coelatura lobensis (Frierson, 1913)
Coelatura luapulaensis (Preston, 1913)
Coelatura mesafricana Pilsbry & Bequaert, 1927
Coelatura mossambicensis (Martens, 1860)
Coelatura ratidota (Charmes, 1885)
Coelatura rothschildi (Neuville & Anthony, 1906)
Coelatura stagnorum (Dautzenberg, 1890)
Coelatura stanleyvillensis Pilsbry & Bequaert, 1927
Coelatura stuhlmanni (Martens, 1897)
Coelostemma pyrgonasta F. G. Thompson, 1988
Coleophysis carinata (Carpenter, 1857)
Coleophysis harpa
Colga minichevi Martynov and Baranets, 2002
Colga pacifica (Bergh, 1894)
Colga villosa (Odhner, 1907)
Colligyrus convexus Hershler, Frest, Liu and Johannes, 2003
Colligyrus depressus Hershler, 1999
Colligyrus greggi (Pilsbry, 1935)
Collisella alveus (Conrad, 1831)
Collisella asmi (Middendorff, 1849)
Collisella borealis Linberg, 1982
Collisella conus (Test, 1945)
Collisella digitalis Rathke, 1833
Collisella edmitchelli (Lipps, 1963)
Collisella insessa (Hinds, 1842)
Collisella instabilis (Gould, 1846)
Collisella jamaicensis (Gmelin, 1791)
Collisella leucopleura (Gmelin, 1791)
Collisella limatula
Collisella ochracea (Dall, 1871)
Collisella paradigitalis (Fritchman, 1960)
Collisella pelta Rathke, 1833
Collisella scabra (Gould, 1846)
Collisella strigatella (Carpenter, 1864)
Collisella triangularis (Carpenter, 1864)
Colpodaspis pusilla M. Sars, 1870
Colubraria biliratus (Reeve, 1846)
Colubraria monroei Mcginty, 1962
Colubraria obscura (Reeve, 1844)
Colubraria swifti (Tryon, 1881)
Colubraria testacea (Morch, 1852)
Columbarium atlantis
Columbarium aurora
Columbarium bartletti
Columbarium bermudezi
Columbarium brayi
Columbarium electra
Columbarium merope
Columbella aureola Duclos, 1846
Columbella aureomexicana (Howard, 1963)
Columbella mercatoria (Linnaeus, 1758)
Columbella rusticoides Heilprin, 1886
Columbellopsis nycteis (Duclos, 1846)
Columella columella (von Martens, 1830)
Columella edentula (Draparnaud, 1805)
Columella simplex (Gould, 1840)
Colus acosmius (Dall, 1891)
Colus adonis (Dall, 1919)
Colus amrautius
Colus aphelus (Dall, 1890)
Colus aurantius (Dall, 1907)
Colus barbarinus Dall, 1919
Colus bristolensis Dall, 1919
Colus brunneus (Dall, 1877)
Colus caelathus (A. E. Verrill and S. Smith, 1880)
Colus caelatus (A. E. Verrill and Smith, 1880)
Colus calameus (Dall, 1907)
Colus calathus Dall, 1919
Colus callorhinus (Dall, 1877)
Colus capponius Dall, 1919
Colus dalmasius (Dall, 1919)
Colus dautzenbergi (Dall, 1916)
Colus errones Dall, 1919
Colus esychus (Dall, 1907)
Colus georgianus (Dall, 1921)
Colus glyptus (Verrill, 1882)
Colus gracilis
Colus griseus (Dall, 1890)
Colus halibrectus (Dall, 1891)
Colus halidonus Dall, 1919
Colus halimeris (Dall, 1919)
Colus hallii (Dall, 1873)
Colus herendeenii (Dall, 1902)
Colus holbolli (Moller, 1842)
Colus hunkinsi A. H. Clarke, 1962
Colus incisus (Dall, 1919)
Colus islandicus (Mohr, 1786)
Colus jeffreysianus
Colus jordani (Dall, 1913)
Colus kroyeri (Möller, 1842)
Colus latericeus (Moller, 1842)
Colus leptalens (Verrill, 1884)
Colus martensi (Krause, 1885)
Colus oceanodromae (Dall, 1919)
Colus ombronius Dall, 1919
Colus parvus (Tiba, 1980)
Colus periscelidus (Dall, 1891)
Colus perminutus (Dall, 1927)
Colus profundicola (Verrill and Smith, 1884)
Colus pubescens (A. E. Verrill, 1882)
Colus pulcius (Dall, 1919)
Colus pygmaeus (Gould, 1841)
Colus roseus (Dall, 1877)
Colus rushii Dall, 1889
Colus sabinii (J. E. Gray, 1824)
Colus sapius (Dall, 1919)
Colus severinus (Dall, 1919)
Colus stejnegeri (Dall, 1884)
Colus stimpsoni (Mørch, 1867)
Colus syrtensis (Packard, 1867)
Colus tahwitanus (Dall, 1918)
Colus terraenovae Bouchet and Waren, 1985
Colus timetus (Dall, 1919)
Colus trombinus (Dall, 1919)
Colus trophius (Dall, 1919)
Colus turgidulus (Friele, 1877)
Colus verkruezeni (Kobelt, 1876)
Colus virens (Dall, 1877)
Comarmondia gracilis (Montagu, 1903)
Compressidens ophiodon (Dall, 1881)
Compressidens pressus (Pilsbry and Sharp, 1897)
Compressidens stearnsii Pilsbry and Sharp, 1897
Compsodrillia acestra (Dall, 1889)
Compsodrillia albonodosa (Carpenter, 1857)
Compsodrillia alcestis (Dall, 1919)
Compsodrillia bicarinata (Shasky, 1961)
Compsodrillia disticha Bartsch, 1934
Compsodrillia duplicata (Sowerby, 1834)
Compsodrillia eucosmia (Dall, 1889)
Compsodrillia excentrica (Sowerby, 1834)
Compsodrillia haliostrephis (Dall, 1889)
Compsodrillia haliplexa (Dall, 1919)
Compsodrillia olssoni Mclean and Poorman, 1971
Compsodrillia opaca Mclean and Poorman, 1971
Compsodrillia thestia (Dall, 1919)
Compsodrillia tristicha (Dall, 1889)
Compsomyax subdiaphana (Carpenter, 1864)
Conchocele bisecta (Conrad, 1849)
Conchocele disjuncta Gabb, 1866
Congeria leucophaeta
Conualevia alba Collier and Farmer, 1964
Conus abbotti Clench, 1942
Conus acutangulus
Conus amphiurgus Dall, 1889
Conus anabathrum Crosse, 1865
Conus archon Broderip, 1833
Conus arcuatus Broderip and Sowerby, 1829
Conus armiger Crosse, 1858
Conus attenuatus Reeve, 1844
Conus aureonimbosus Petuch, 1987
Conus austini Rehder and Abbott, 1951
Conus bajanensis Usticke, 1968
Conus bartschi Hanna and Strong, 1949
Conus bermudensis Clench, 1942
Conus binghamae Petuch, 1987
Conus brunneus Wood, 1828
Conus californicus Hinds, 1844
Conus cancellatus Hwass, 1792
Conus cardinalis Hwass, 1792
Conus caribbaeus Clench, 1942
Conus chrysocestus S. S. Berry, 1968
Conus citrinus Gmelin, 1791
Conus clarki Rehder and Abbott, 1951
Conus dalli Stearns, 1873
Conus daucus Hwass, 1792
Conus delessertii Recluz, 1843
Conus diadema Sowerby, 1834
Conus dispar Sowerby, 1833
Conus ermineus Born, 1778
Conus fergusoni Sowerby, 1873
Conus flamingo Petuch, 1980
Conus flavescens G. B. Sowerby II, 1834
Conus floridanus Gabb, 1868
Conus floridensis G. B. Sowerby II, 1870
Conus gladiator Broderip, 1833
Conus glicksteini Petuch, 1987
Conus gradatus Wood, 1828
Conus granulatus Linnaeus, 1758
Conus harasewychi Petuch, 1987
Conus jaspideus Gmelin, 1791
Conus juliae Clench, 1942
Conus lucidus Wood, 1828
Conus macgintyi Pilsbry, 1955
Conus mazei Deshayes, 1874
Conus mcgintyi Pilsbry, 1955
Conus melvilli Sowerby, 1878
Conus mindanus Hwass, 1792
Conus mus Hwass, 1792
Conus patae Abbott, 1971
Conus patricius Hinds, 1843
Conus pealii Green, 1830
Conus perplexus Sowerby, 1857
Conus perryae Clench, 1942
Conus poormani S. S. Berry, 1968
Conus princeps Linnaeus, 1758
Conus purpurascens Sowerby, 1833
Conus rainesae McGinty, 1953
Conus ranuculus
Conus recurvus Broderip, 1833
Conus regius Gmelin, 1791
Conus regularis Sowerby, 1833
Conus scalaris Valenciennes, 1832
Conus selenae Van Mol, Tursch, and Kempf, 1967
Conus sennottorum Rehder and Abbott, 1951
Conus sponsalis
Conus spurius Gmelin, 1791
Conus stearnsii Conrad, 1869
Conus stimpsoni Dall, 1902
Conus tornatus Sowerby, 1933
Conus ustickei Miller In Usticke, 1959
Conus vexillum Gmelin, 1789
Conus villepinii P. Fischer and Bernardi, 1857
Conus virgatus Reeve, 1849
Conus vittatus Hwass In Bruguiere, 1792
Conus ximenes Gray, 1839
Conus ziczac Megerle von Muhlfeld, 1816
Cooperella atlantica Rehder, 1943
Cooperella subdiaphana (Carpenter, 1864)
Copulabyssia corrugata (Jeffreys, 1883)
Coralliophaga coralliophaga (Gmelin, 1791)
Coralliophaga lithophagella (Lamarck, 1819)
Coralliophila abbreviata (Lamarck, 1816)
Coralliophila aberrans (C. B. Adams, 1850)
Coralliophila aedonia (Watson, 1886)
Coralliophila bracteata (Brocchi, 1814)
Coralliophila caribaea Abbott, 1958
Coralliophila costata (de Blainville, 1832)
Coralliophila fax F. M. Bayer, 1971
Coralliophila galea (Reeve, 1846)
Coralliophila macleani Shasky, 1970
Coralliophila nux (Reeve, 1846)
Coralliophila orcuttiana Dall, 1919
Coralliophila pacei Petuch, 1987
Coralliophila parva (E. A. Smith, 1877)
Coralliophila richardi (P. Fischer, 1882)
Coralliophila scalariformis (Lamarck, 1822)
Corambe evelinae Marcus, 1959
Corambe obscura (A. E. Verrill, 1870)
Corambe pacifica Macfarland and O'donoghue, 1929
Corambe testudinaria H. Fischer, 1889
Corbicula fluminalis (O. F. Müller, 1774)
Corbicula fluminea (O. F. Müller, 1774)
Corbicula manilensis Philippi
Corbula alabamiensis Lea, 1833
Corbula barrattiana C. B. Adams, 1852
Corbula bicarinata (Sowerby, 1833)
Corbula biradiata (Sowerby, 1833)
Corbula caribaea
Corbula chittyana C. B. Adams, 1852
Corbula contracta Say, 1822
Corbula cubaniana D'Orbigny, 1842
Corbula cymella Dall, 1881
Corbula dietziana C. B. Adams, 1852
Corbula kelseyi Dall, 1916
Corbula krebsiana C. B. Adams, 1852
Corbula luteola Carpenter, 1864
Corbula nasuta Sowerby, 1833
Corbula nuciformis Sowerby, 1833
Corbula porcella Dall, 1916
Corbula sulcata
Corbula swiftiana C. B. Adams, 1852
Corolla calceola (A. E. Verrill, 1880)
Corolla intermedia (Tesch, 1903)
Corolla ovata (Quoy and Gaimard, 1832)
Corolla spectabilis Dall, 1871
Coryphella borealis Odhner, 1922
Coryphella browni Picton, 1980
Coryphella californica Bergh, 1904
Coryphella cynara
Coryphella lineata
Coryphella pallida
Coryphella parva Hadfeild, 1963
Coryphella pedata
Coryphella rutila
Coryphella stellata
Coryphella stimpsoni Verrill, 1880
Cosa brasiliensis Klappenbach, 1966
Cosa caribaea (Carpenter, 1864)
Cosmioconcha calliglypta (Dall and Simpson, 1901)
Cosmioconcha modesta (Powys, 1935)
Cosmioconcha nitens (C. B. Adams, 1850)
Cosmioconcha palmeri (Dall, 1913)
Cosmioconcha parvula (Dall, 1912)
Cosmioconcha pergracilis (Dall, 1913)
Cosmotriphora decorata (C. B. Adams, 1850)
Cosmotriphora melanura (C. B. Adams, 1850)
Cosmotriphora olivacea (Dall, 1889)
Costasiella nonatoi Ev. Marcus and Er. Marcus, 1960
Costasiella ocellifera (Simroth, 1895)
Costoanachis avara (Say, 1822)
Costoanachis catenata (G. B. Sowerby II, 1844)
Costoanachis floridana (Rehder, 1939)
Costoanachis lafresnayi (P. Fischer and Bernardi, 1857)
Costoanachis semiplicata (Stearns, 1873)
Costoanachis similis (Ravenel, 1861)
Costoanachis sparsa (Reeve, 1859)
Couthouyella striatula (Couthouy, 1838)
Cranchia scabra Leach, 1817
Cranopsis asturiana (P. Fischer, 1882)
Cranopsis billsae (Perez Farfante, 1947)
Cranopsis cucullata (Gould, 1846)
Cranopsis decorata (I. M. Cowan and J. H. McLean, 1968)
Cranopsis erecta (Dall, 1889)
Cranopsis granulata (Seguenza, 1862)
Cranopsis major (Dall, 1891)
Cranopsis multistriata (Dall, 1914)
Craspedochiton hemphilli
Crassadoma gigantea (J. E. Gray, 1825)
Crassatella ponderosa Gmelin, 1791
Crassicardia crassidens (Broderip and Sowerby, 1829)
Crassinella dupliniana (Dall, 1903)
Crassinella lunulata (Conrad, 1834)
Crassinella martinicensis (d'Orbigny, 1842)
Crassinella pacifica (C. B. Adams, 1852)
Crassispira adonis Pilsbry and Lowe, 1932
Crassispira albinodata (Reeve, 1843)
Crassispira albomaculata (Orbigny, 1842)
Crassispira apitoa (Corea, 1934)
Crassispira appressa (Carpenter, 1884)
Crassispira bacchia Dall, 1919
Crassispira brujae Hertlein and Strong, 1951
Crassispira candace Dall, 1919
Crassispira chacei Hertlein and Strong, 1951
Crassispira cortezi Shasky and Campbell, 1964
Crassispira cubana (Melvill, 1923)
Crassispira dichroa Pilsbry and Lowe, 1932
Crassispira discors (Sowerby, 1834)
Crassispira drangai Schwengel, 1951
Crassispira ericana Hertlein and Strong, 1951
Crassispira fuscescens (Reeve, 1845)
Crassispira granulosa (Sowerby, 1834)
Crassispira greeleyi (Dall, 1901)
Crassispira gundlachi (Dall and Simpson, 1901)
Crassispira haliostrephis
Crassispira halis Dall, 1919
Crassispira hexagona (Sowerby, 1834)
Crassispira incrassata (Sowerby, 1834)
Crassispira kluthi E. K. Jordan, 1936
Crassispira leucocyma Dall, 1883
Crassispira liella (Corea, 1934)
Crassispira mamona (Corea, 1934)
Crassispira maura (Sowerby, 1834)
Crassispira melonesiana (Dall and Simpson, 1901)
Crassispira monilifera Carpenter, 1864
Crassispira monilis (Bartsch and Rehder, 1939)
Crassispira montereyensis Stearns, 1871
Crassispira nigerrima (Sowerby, 1834)
Crassispira nigrescens (C. B. Adams, 1945)
Crassispira nymphia Pilsbry and Lowe, 1932
Crassispira ornata Orbigny, 1842
Crassispira ostrearum
Crassispira phasma Schwengel, 1940
Crassispira pluto Pilsbry and Lowe, 1932
Crassispira polytorta (Dall, 1881)
Crassispira quadrifasciata (Reeve, 1845)
Crassispira rhythmica Melvill, 1927
Crassispira rudis (Sowerby, 1834)
Crassispira rugitecta (Dall, 1918)
Crassispira rustica (Sowerby, 1834)
Crassispira sanibelensis Bartsch and Rehder, 1939
Crassispira semiinflata (Grant and Gale, 1931)
Crassispira stillmani Shasky, 1947
Crassispira suimaca (Corea, 1934)
Crassispira tainoa (Corea, 1934)
Crassispira tampaensis Bartsch and Rehder, 1939
Crassispira tepocana Dall, 1919
Crassispira trimariana Pilsbry and Lowe, 1932
Crassispira turricula (Sowerby, 1834)
Crassispira unicolor (Sowerby, 1834)
Crassispira xanti Hertlein and Strong, 1951
Crassispira zebra
Crassostrea angulata Lamarck
Crassostrea ariakensis (Fujita, 1913)
Crassostrea chilensis Hertlein
Crassostrea columbiensis (Hanley, 1846)
Crassostrea corteziensis (Hertlein, 1951)
Crassostrea gigas (Thunberg, 1793)
Crassostrea rhizophorae Guilding
Crassostrea virginica (Gmelin, 1791)
Cratena kaoruae Marcus, 1957
Cratena pilata (Gould, 1870)
Creedonia succinea (Pfeiffer, 1854)
Crenella decussata (Montagu, 1808)
Crenella divaricata (d'Orbigny, 1842)
Crenella faba (Muller, 1776)
Crenella fragilis A. E. Verrill, 1885
Crenella glandula (Totten, 1834)
Crenella leana Dall, 1897
Crenella pectinula (Gould, 1841)
Crenella pellucida (Jeffreys, 1859)
Crenella rotundata Dall, 1916
Crenella skomma (Schwengel, 1944)
Crenilabium aciculatum Cossmann, 1889
Crenilabium exilis (Jeffreys, 1870)
Crepidula aculeata (Gmelin, 1791)
Crepidula acuta Say, 1822
Crepidula adunca G. B. Sowerby I, 1825
Crepidula arenata (Broderip, 1834)
Crepidula convexa Say, 1822
Crepidula excavata Broderip, 1834
Crepidula fornicata (Linnaeus, 1758)
Crepidula glottidiarum Dall, 1905
Crepidula grandis Middendorff, 1849
Crepidula incurva (Broderip, 1834)
Crepidula lessonii (Broderip, 1834)
Crepidula maculosa Conrad, 1846
Crepidula naticarum Williamson, 1905
Crepidula norrisiarum Williamson, 1905
Crepidula nummaria Gould, 1846
Crepidula onyx G. B. Sowerby I, 1824
Crepidula perforans (Valenciennes, 1846)
Crepidula plana Say, 1822
Crepidula striolata Menke, 1851
Crepidula uncata Menke, 1847
Crepipatella charybdis (S. S. Berry, 1940)
Crepipatella dorsata (Broderip, 1834)
Crepipatella lingulata (Gould, 1846)
Crepipatella orbiculata (Dall, 1919)
Crepitacella cepula Guppy, 1867
Crepitacella columbella (Dall, 1881)
Crepitacella gabbi (Dall, 1889)
Crepitacella leucophlegma (Dall, 1881)
Crepitacella vestalis Rehder, 1943
Creseis acicula (Rang, 1828)
Creseis chierchiae
Creseis virgula (Rang, 1828)
Crimora coneja Er. Marcus, 1961
Crimora papillata Alder and Hancock, 1862
Cristaria beirensis Liu & Zhang, 1982
Cristaria bellua (Morelet, 1866)
Cristaria clessini (Kobelt, 1879)
Cristaria plicata (Leach, 1814)
Cristaria radiata Simpson, 1900
Cristaria truncata Dang, Thái & Pham, 1980
Crockerella castianira (Dall, 1919)
Crockerella conradiana (Gabb, 1869)
Crockerella crystallina (Gabb, 1865)
Crockerella cymodoce (Dall, 1919)
Crockerella eriphyle (Dall, 1919)
Crockerella evadne (Dall, 1919)
Crockerella lowei (Dall, 1903)
Crockerella philodice (Dall, 1919)
Crockerella scotti J. H. McLean, 1996
Crockerella tridesmia (S. S. Berry, 1941)
Crossata californica (Hinds, 1843)
Crucibulum auricula (Gmelin, 1791)
Crucibulum concameratum Reeve, 1859
Crucibulum cyclopium S. S. Berry. 1969
Crucibulum lignarium (Broderip, 1834)
Crucibulum monticulus S. S. Berry, 1969
Crucibulum personatum Keen, 1958
Crucibulum scutellatum (Wood, 1828)
Crucibulum serratum (Broderip, 1834)
Crucibulum spinosum (G. B. Sowerby I, 1824)
Crucibulum striatum Say, 1824
Crucibulum subactum S. S. Berry, 1963
Crucibulum umbrella (Deshayes, 1830)
Cryoturris cerinella (Dall, 1889)
Cryoturris citronella (Dall, 1889)
Cryoturris elata (Dall, 1899)
Cryoturris engonia Woodring, 1928
Cryoturris fargoi McGinty, 1955
Cryoturris filifera (Dall, 1881)
Cryoturris quadrilineata (C. B. Adams, 1850)
Cryoturris trilineata (C. B. Adams, 1845)
Cryptobranchia alba Dall, 1869
Cryptobranchia concentrica (Middendorff, 1851)
Cryptochiton stelleri (Middendorff, 1847)
Cryptoconchus floridanus (Dall, 1889)
Cryptoconchus porosus
Cryptomastix devia (Gould, 1846)
Cryptomastix germana (Gould, 1851)
Cryptomastix harfordiana (W. G. Binney, 1886)
Cryptomastix hendersoni (Pilsbry, 1928)
Cryptomastix magnidentata (Pilsbry, 1940)
Cryptomastix mullani (Bland and J. G. Cooper, 1861)
Cryptomastix sanburni (W. G. Binney, 1886)
Cryptomya californica (Conrad, 1837)
Cryptonatica affinis (Gmelin, 1791)
Cryptonatica aleutica (Dall, 1919)
Cryptonatica janthostoma (Deshayes, 1839)
Cryptonatica russa (Gould, 1859)
Cryptopecten phrygium (Dall, 1886)
Ctena bella
Ctena transversa
Ctenodesma borneensis (Issel, 1874)
Ctenodesma scheibeneri Haas, 1927
Cucullaea labiata (Solander)
Cucumerunio novaehollandiae (Gray, 1834)
Cultellus pellucidus
Cumanotus beaumonti (Eliot, 1906)
Cumanotus fernaldi T. E. Thompson and G. H. Brown, 1984
Cumberlandia monodonta (Say, 1829)
Cumingia californica Conrad, 1837
Cumingia coarctata G. B. Sowerby I, 1833
Cumingia tellinoides (Conrad, 1831)
Cuna dalli Vanatta, 1904
Cuneopsis celtiformis (Heude, 1874)
Cuneopsis demangei Haas, 1929
Cuneopsis heudei (Heude, 1874)
Cuneopsis kiangsiensis Tchang & Li, 1965
Cuneopsis rufescens (Heude, 1874)
Curtitoma decussata (Couthuoy, 1839)
Curtitoma fiora (Dall, 1919)
Curtitoma incisula (A. E. Verrill, 1882)
Curtitoma lawrenciana (Dall, 1919)
Curtitoma novajasemljensis (Leche, 1878)
Curtitoma trevelliana (Turton, 1834)
Curtitoma violacea (Mighels and C. B. Adams, 1842)
Cuspidaria abbreviata (Forbes, 1843)
Cuspidaria alternata (d'Orbigny, 1842)
Cuspidaria apodema Dall, 1916
Cuspidaria arctica (Sars, 1878)
Cuspidaria arcuata Dall, 1881
Cuspidaria atlantica
Cuspidaria chilensis Dall, 1890
Cuspidaria circinata Jeffreys, 1876
Cuspidaria costellata (Deshayes, 1833)
Cuspidaria cuspidata (Olivi, 1792)
Cuspidaria exigua (Jeffreys, 1876)
Cuspidaria filatovae
Cuspidaria formosa Verrill and Bush, 1893
Cuspidaria fraterna Verrill and Bush, 1893
Cuspidaria gigantea Verrill, 1884
Cuspidaria glacialis (G. O. Sars, 1878)
Cuspidaria inflata (Jeffreys, 1876)
Cuspidaria jeffreysi (Dall, 1881)
Cuspidaria jugosa (S. V. Wood, 1856)
Cuspidaria lamellosa Sars, 1878
Cuspidaria media A. E. Verrill and Bush, 1898
Cuspidaria microrhina Dall, 1886
Cuspidaria obesa (Loven, 1846)
Cuspidaria parapodema Bernard, 1969
Cuspidaria parkeri
Cuspidaria parva
Cuspidaria pellucida Stimpson, 1853
Cuspidaria rostrata (Spengler, 1793)
Cuspidaria subglacialis Dall, 1913
Cuspidaria subtorta (Sars, 1878)
Cuspidaria subtorte (Sars, 1878)
Cuspidaria sulcifera (Jeffreys, 1882)
Cuspidaria turgida Verrill and Bush, 1898
Cuspidaria undata Verrill, 1884
Cuspidaria variola
Cuspidaria ventricosa Verrill and Bush, 1898
Cuspidaria wollastoni E. A. Smith, 1885
Cuthona abronia (MacFarland, 1966)
Cuthona abyssicola (Bergh, 1884)
Cuthona albocrusta (MacFarland, 1966)
Cuthona amoena (Alder and Hancock, 1845)
Cuthona aurantia (Alder and Hancock, 1842)
Cuthona caerulea (Montagu, 1804)
Cuthona cocoachroma Williams and Gosliner, 1979
Cuthona concinna (Alder and Hancock, 1843)
Cuthona divae (Er. Marcus, 1961)
Cuthona flavovulta (MacFarland, 1966)
Cuthona foliata (Forbes and Goodsir, 1839)
Cuthona fulgens (MacFarland, 1966)
Cuthona genovae (O'Donoghue, 1926)
Cuthona hamanni Behrens, 1987
Cuthona lagunae (O'Donoghue, 1926)
Cuthona nana (Alder and Hancock, 1842)
Cuthona perca (Er. Marcus, 1958)
Cuthona phoenix Gosliner, 1981
Cuthona punicea Millen, 1986
Cuthona pustulata (Alder and Hancock, 1854)
Cuthona rolleri Behrens and Gosliner, 1988
Cuthona rubescens Picton and Brown, 1978
Cuthona stimpsoni A. E. Verrill, 1880
Cuthona tina (Er. Marcus, 1957)
Cuthona veronicae (A. E. Verrill, 1880)
Cuthona virens (MacFarland, 1966)
Cuthona viridis (Forbes, 1840)
Cuvierina columnella (Rang, 1827)
Cyathodonta dubiosa Dall, 1915
Cyathodonta pedroana Dall, 1915
Cyathodonta undulata Conrad, 1849
Cyclinella tenuis (Recluz, 1852)
Cyclocardia armilla (Dall, 1903)
Cyclocardia bailyi (J. Q. Burch, 1944)
Cyclocardia barbarensis (Stearns, 1891)
Cyclocardia borealis (Conrad, 1831)
Cyclocardia crassidens (Broderip and G. B. Sowerby I, 1829)
Cyclocardia crebricostata (Krause, 1885)
Cyclocardia gouldii (Dall, 1903)
Cyclocardia incisa (Dall, 1903)
Cyclocardia nodulosa (Dall, 1919)
Cyclocardia novangliae (E. S. Morse, 1869)
Cyclocardia ovata (Riabinina, 1952)
Cyclocardia rjabininae (Scarlato, 1955)
Cyclocardia spurca Sowerby, 1833
Cyclocardia stearnsii (Dall, 1903)
Cyclocardia umnaka (Willett, 1932)
Cyclocardia ventricosa (Gould, 1850)
Cyclonaias tuberculata (Rafinesque, 1820)
Cyclopecten alaskensis (Dall, 1871)
Cyclopecten barbarensis Grau, 1959
Cyclopecten benthalis
Cyclopecten carlottensis
Cyclopecten catalinensis (Willett, 1931)
Cyclopecten davidsoni (Dall, 1897)
Cyclopecten exquisitus Grau, 1959
Cyclopecten greenlandicus (G. B. Sowerby II, 1842)
Cyclopecten imbrifer (Loven, 1847)
Cyclopecten incongruus Dall, 1916
Cyclopecten leptaleum (A. E. Verrill, 1884)
Cyclopecten nanus A. E. Verrill and Bush, 1897
Cyclopecten neoceanicus Dall, 1908
Cyclopecten pernomus (Hertlein, 1935)
Cyclopecten pustulosus Verrill, 1873
Cyclopecten reticulum (Dall, 1886)
Cyclopecten ringnesius (Dall, 1924)
Cyclopecten sigsbeei (Dall, 1886)
Cyclopecten thalassinus (Dall, 1886)
Cyclostrema amabile (Say, 1934)
Cyclostrema cancellatum Marryat, 1818
Cyclostrema cookeanum (Dall, 1818)
Cyclostrema huesonicum (Dall, 1927)
Cyclostrema miranda Bartsch, 1910
Cyclostrema ponsonbyi
Cyclostrema schrammii Fischer, 1857
Cyclostrema shrammi (Fischer, 1857)
Cyclostrema tortuganum (Dall, 1927)
Cyclostremella californica Bartsch, 1907
Cyclostremella concordia Bartsch, 1920
Cyclostremella conradia Bartsch, 1920
Cyclostremella humilis Bush, 1897
Cyclostremiscus baldridgei (Bartsch, 1911)
Cyclostremiscus beauii (P. Fischer, 1857)
Cyclostremiscus cosmius
Cyclostremiscus cubanus (Pilsbry and Aguayo, 1933)
Cyclostremiscus emeryi
Cyclostremiscus gordanus (Hertlein and Strong, 1951)
Cyclostremiscus humilis
Cyclostremiscus jeannae Pilsbry and McGinty, 1946
Cyclostremiscus liratus
Cyclostremiscus lowei Baker, Hanna, and Strong, 1938
Cyclostremiscus ornatus Olsson and McGinty, 1958
Cyclostremiscus pentagonus (Gabb, 1873)
Cyclostremiscus schrammi (Fisher, 1857)
Cyclostremiscus spiceri Baker, Hanna, and Strong, 1938
Cyclostremiscus spiritualis Baker, Hanna, and Strong, 1938
Cyclostremiscus suppressus (Dall, 1889)
Cycloteuthis akimushkini Filippova, 1968
Cycloteuthis sirventi Joubin, 1919
Cyclothyca pacei Petuch, 1987
Cyerce antillensis Engel, 1927
Cyerce cristallina (Trinchese, 1881)
Cylichna alba (T. Brown, 1827)
Cylichna attanosa
Cylichna attonsa Carpenter, 1865
Cylichna consobrina
Cylichna crebripunctata (Jeffreys, 1881)
Cylichna cylindracea (Pennant, 1777)
Cylichna diegensis (Dall, 1919)
Cylichna discus Watson, 1886
Cylichna eburnea A. E. Verrill, 1885
Cylichna fantasma (Baker and Hanna, 1927)
Cylichna gouldii (Couthouy, 1839)
Cylichna linearis Jeffreys, 1867
Cylichna nucleolus (Reeve, 1855)
Cylichna obscura Sykes, 1903
Cylichna occulta (Mighels and C. B. Adams, 1842)
Cylichna oryza
Cylichna ovata Jeffreys, 1871
Cylichna verrilli Dall, 1889
Cylichna vortex (Dall, 1881)
Cylichnella carinata
Cylichnium africanum (Locard, 1897)
Cylindrobulla beauii P. Fischer, 1857
Cymakra aspera (Carpenter, 1864)
Cymakra gracilior (Tryon, 1884)
Cymatioa electilis (S. S. Berry, 1963)
Cymatium amictum
Cymatium aquatile (Reeve, 1844)
Cymatium cingulatum (Lamarck, 1882)
Cymatium comptum (A. Adams, 1855)
Cymatium corrugatum (Lamarck, 1816)
Cymatium costatum Pennant, 1777
Cymatium cynocephalum (Lamarck, 1816)
Cymatium femorale (Linnaeus, 1758)
Cymatium gibbosum (Broderip, 1833)
Cymatium gracile Reeve, 1844
Cymatium krebsi Morch, 1877
Cymatium labiosum (W. Wood, 1828)
Cymatium lignarium (Broderip, 1833)
Cymatium martinianum (d'Orbigny, 1846)
Cymatium moritinctum (Reeve, 1844)
Cymatium mundum (Gould, 1849)
Cymatium muricinum (Roding, 1798)
Cymatium nicobaricum (Roding, 1798)
Cymatium occidentale (Morch, 1877)
Cymatium parthenopeum (von Salis, 1793)
Cymatium pfeifferianum (Reeve, 1844)
Cymatium pharicidum Dall, 1889
Cymatium pileare (Linnaeus, 1758)
Cymatium pyrum Linnaeus
Cymatium rehderi A. H. Verrill, 1950
Cymatium ridleyi (E. A. Smith, 1890)
Cymatium rubeculum (Linnaeus, 1758)
Cymatium sarcostomum (Reeve, 1844)
Cymatium tenuiliratum (Lischke, 1873)
Cymatium testudinarium (Adams and Reeve, 1848)
Cymatium tigrinum (Broderip, 1833)
Cymatium vespaceum (Lamarck, 1822)
Cymatium wiegmanni
Cymatoica orientalis (Dall, 1890)
Cymatoica undulata Hanley, 1844
Cymatosyrinx allynainus Hertlein and Strong, 1951
Cymatosyrinx arenensis Hertlein and Strong, 1951
Cymatosyrinx bartschi Haas, 1941
Cymatosyrinx centimata (Dall, 1889)
Cymatosyrinx empyrosia (Dall, 1899)
Cymatosyrinx fritellaria Dall, 1927
Cymatosyrinx halocydne (Dall, 1919)
Cymatosyrinx hemphilli (Stearns, 1871)
Cymatosyrinx johnsoni Arnold, 1903
Cymatosyrinx pagodula (Dall, 1889)
Cymatosyrinx ricaudae (S. S. Berry, 1969)
Cymatosyrinx splendida (Bartsch, 1934)
Cymbovula acicularis (Lamarck, 1810)
Cymbulia parvidentata
Cymbulia peronii de Blainville, 1818
Cymbulia sibogae Tesch, 1904
Cyphoma alleneae Cate, 1973
Cyphoma aureocinctum (Dall, 1889)
Cyphoma emarginatum (Sowerby, 1830)
Cyphoma gibbosum (Linnaeus, 1758)
Cyphoma intermedium (Sowerby, 1828)
Cyphoma lindae Petuch, 1987
Cyphoma mcgintyi Pilsbry, 1939
Cyphoma rhomba Cate, 1978
Cyphoma sedlaki Cate, 1976
Cyphoma signatum Pilsbry and McGinty, 1939
Cypraea albuginosa Gray, 1825
Cypraea annettae Dall, 1909
Cypraea arabicula Lamarck, 1811
Cypraea cervinetta Kiener, 1843
Cypraea cervus Linnaeus, 1771
Cypraea cinerea Gmelin, 1791
Cypraea isabellamexicana Stearns, 1893
Cypraea mus Linnaeus, 1758
Cypraea nigropunctata Gray, 1828
Cypraea robertsi Hidalgo, 1906
Cypraea spadicea Swainson, 1836
Cypraea spurca Linnaeus, 1758
Cypraea surinamensis G. Perry, 1811
Cypraea zebra Linnaeus, 1758
Cypraecassis testiculus (Linnaeus, 1758)
Cyprogenia aberti (Conrad, 1850)
Cyprogenia stegaria (Rafinesque, 1820)
Cyrenoida floridana (Dall, 1896)
Cyrtodaria kurriana Dunker, 1861
Cyrtodaria siliqua (Spengler, 1793)
Cyrtonaias explicata (Morelet, 1849)
Cyrtonaias sapperi (Ihering, 1901)
Cyrtonaias tampicoensis (Lea, 1838)
Cyrtonaias umbrosa (Lea, 1856)
Cyrtopleura costata (Linnaeus, 1758)
Cystiscus politus (Carpenter, 1857)
Cythnia albida Carpenter, 1864
Cythnia asteriaphila
Dacrydium elegantulum Soot-Ryen, 1955
Dacrydium ockelmanni Mattson and Waren, 1977
Dacrydium pacificum Dall, 1916
Dacrydium vitreum (Moller, 1842)
Daedalochila auriculata (Say, 1818)
Daedalochila auriformis (Bland, 1859)
Daedalochila avara (Say, 1818)
Daedalochila chisosensis (Pilsbry, 1936)
Daedalochila delecta (Hubricht, 1976)
Daedalochila hausmani (Jackson, 1948)
Daedalochila hippocrepis (Pfeiffer, 1848)
Daedalochila leporina (Gould, 1848)
Daedalochila peninsulae (Pilsbry, 1940)
Daedalochila polita (Pilsbry and Hinkley, 1907)
Daedalochila postelliana (Bland, 1859)
Daedalochila scintilla (Pilsbry and Hubricht, 1962)
Daedalochila subclausa (Pilsbry, 1899)
Daedalochila triodontoides (Bland, 1861)
Daedalochila uvulifera (Shuttleworth, 1852)
Dalium solidum Dall, 1889
Danilia octaviana (Cantraine, 1835)
Daphnella bartschi Dall, 1919
Daphnella clathrata Gabb, 1865
Daphnella corbicula Dall, 1889
Daphnella elata Dall, 1889
Daphnella eugrammata Dall, 1902
Daphnella fuscoligata (Dall, 1871)
Daphnella grundifera (Dall, 1927)
Daphnella leucophlegma (Dall, 1881)
Daphnella lymneiformis (Kiener, 1840)
Daphnella margaretae Lyons, 1972
Daphnella mazatlanica Pilsbry and Lowe, 1932
Daphnella morra (Dall, 1881)
Daphnella peripla (Dall, 1881)
Daphnella pompholyx Dall, 1889
Daphnella reticulosa Dall, 1889
Daphnella retifera Dall, 1889
Daphnella stegeri McGinty, 1955
Dasyscias franzi F. G. Thompson and Hershler, 1991
Decatopecten noduliferum (G. B. Sowerby II, 1842)
Decipifus sixaolus Olsson and McGinty, 1958
Decipula tenella (Loven, 1846)
Decoriatrivia ritteri (Raymond, 1903)
Delectopecten arces (Dall, 1913)
Delectopecten binominatus (Hanna, 1924)
Delectopecten bistriatus (Dall, 1916)
Delectopecten greenlandicus (Sowerby, 1842)
Delectopecten incongruus (Dall, 1916)
Delectopecten tillamookensis (Arnold, 1906)
Delectopecten vancouverensis (Whiteaves, 1893)
Delectopecten vitreus (Gmelin, 1791)
Delectopecten zacae
Delonovolva aequalis Sowerby, 1832
Delphinonaias largillierti (Philippi, 1847)
Delphinonaias planivalvis (Morelet, 1851)
Delphinonaias scutulata (Morelet, 1849)
Dendostrea frons (Linnaeus, 1758)
Dendrodoris fulva (MacFarland, 1905)
Dendrodoris krebsii (Morch, 1863)
Dendrodoris nigromaculata (Cockerell, 1905)
Dendrodoris warta Ev. Marcus and Er. Marcus, 1976
Dendronotus albopunctatus Robilliard, 1972
Dendronotus albus MacFarland, 1966
Dendronotus dalli Bergh, 1879
Dendronotus diversicolor Robilliard, 1970
Dendronotus frondosus (Ascanius, 1774)
Dendronotus iris J. G. Cooper, 1863
Dendronotus robustus A. E. Verrill, 1870
Dendronotus rufus O'Donoghue, 1921
Dendronotus subramosus MacFarland, 1966
Dendropoma corrodens (d'Orbigny, 1842)
Dendropoma exsertum (Dall, 1881)
Dendropoma irregulare (d'Orbigny, 1842)
Dendropoma lituella (Morch, 1861)
Dendropoma rastrum (Morch, 1861)
Dentalium agassizi Pilsbry and Sharp, 1897
Dentalium americanum Chenu, 1843
Dentalium antillarum D'Orbigny, 1842
Dentalium bartletti Henderson, 1920
Dentalium calamus Dall, 1889
Dentalium callipeplum Dall, 1889
Dentalium callithrix Dall, 1889
Dentalium carduum Dall, 1889
Dentalium ceratum (Dall, 1881)
Dentalium circumcinctum Watson, 1879
Dentalium dalli Pilsbry and Sharp, 1897
Dentalium ensiculus Jeffereys, 1877
Dentalium floridense J. B. Henderson, 1920
Dentalium gouldii Dall, 1889
Dentalium inversum Deshayes, 1825
Dentalium laqueatum A. E. Verrill, 1885
Dentalium neohexagonum Sharp and Pilsbry, 1897
Dentalium occidentale Stimpson, 1851
Dentalium ophiodon Dall, 1881
Dentalium perlongum Dall, 1881
Dentalium pilsbryi Rehder, 1942
Dentalium pretiosum Sowerby, 1860
Dentalium rebeccaense Henderson, 1920
Dentalium rectius Carpenter, 1864
Dentalium stenochizum Pilsbry and Sharp, 1897
Dentalium taphrium Dall, 1889
Dentalium texasianum Philippi, 1848
Dentalium tubulatum Henderson, 1920
Dentalium vallicolens Raymond, 1904
Dentimargo aureocinctus (Stearns, 1872)
Dentimargo eburneolus (Conrad, 1834)
Dentimargo idiochila (Schwengel, 1943)
Dentimargo reductus (Bavay, 1922)
Dentimargo smithii (A. E. Verrill, 1885)
Dentistyla asperrima (Dall, 1881)
Depressiscala nautlae (Morch, 1874)
Depressiscala nitidella (Dall, 1889)
Depressiscala polita (G. B. Sowerby II, 1844)
Dermatomya buttoni Dall, 1916
Dermatomya mactroides (Dall, 1889)
Dermomurex abyssicola (Crosse, 1865)
Dermomurex elizabethae (McGinty, 1940)
Dermomurex glicksteini Petuch, 1987
Dermomurex pacei Petuch, 1988
Dermomurex pauperculus (C. B. Adams, 1850)
Deroceras caruanae (Pollonera, 1891)
Deroceras hesperium Pilsbry, 1944
Deroceras heterura Pilsbry, 1944
Deroceras laeve (Muller, 1774)
Deroceras monentolophus Pilsbry, 1944
Deroceras panormitanum (Lessona and Pollonera, 1882)
Deroceras reticulatum (Muller, 1774)
Desmopterus pacificus Essenberg, 1919
Desmopterus papilio Chun, 1889
Detracia bulloides (Montagu, 1808)
Detracia clarki Morrison, 1951
Detracia floridana (Pfeiffer, 1856)
Diacavolinia deblainvillei van der Spoel, Bleeker and Kobayashi, 1993
Diacavolinia deshayesi van der Spoel, Bleeker and Kobayashi, 1993
Diacavolinia elegans van der Spoel, Bleeker and Kobayashi, 1993
Diacavolinia ovalis van der Spoel, Bleeker and Kobayashi, 1993
Diacria danae van Leyen and van der Spoel, 1982
Diacria maculata Bleeker and van der Spoel, 1988
Diacria major (Boas, 1886)
Diacria quadridentata (de Blainville, 1821)
Diacria rampali Dupont, 1979
Diacria trispinosa (de Blainville, 1821)
Diala scopulorum
Diala varia
Diaphana brunnea Dall, 1919
Diaphana californica Dall, 1919
Diaphana globosa (Lovén, 1846)
Diaphana hiemalis (Couthouy, 1839)
Diaphana lactea (Jeffreys, 1877)
Diaphana lottae Bush, 1893
Diaphana marshalli (Sykes, 1905)
Diaphana minuta Brown, 1827
Diaphorodoris lirulatocauda Millen, 1985
Diaphorodoris luteocincta (M. Sars, 1870)
Diastoma varium (Pfeiffer, 1840)
Diaulula sandiegensis (J. G. Cooper, 1863)
Diaurora aurorea (Heude, 1883)
Diaurora laeve Chen, Dai, Huang & Wu in Chen et al., 2023
Dicata odhneri Schmekel, 1967
Didianema pauli Pilsbry and McGinty, 1945
Digitaria digitaria (Linnaeus, 1758)
Dillwynella modesta Dall, 1889
Dimya argentea Dall, 1886
Dimya californiana S. S. Berry, 1936
Dimya coralliotis S. S. Berry, 1944
Dimyella starcki Moore, 1969
Dinocardium robustum (Lightfoot, 1786)
Diodora aguayoi Perez Farfante, 1943
Diodora alta (C. B. Adams, 1852)
Diodora apertura
Diodora arcuata (G. B. Sowerby II, 1862)
Diodora arnoldi J. H. McLean, 1966
Diodora aspera (Rathke, 1833)
Diodora beebei (Hertlein and Strong, 1951)
Diodora bermudensis (Dall and Bartsch, 1911)
Diodora cayenensis (Lamarck, 1822)
Diodora crenifera (Sowerby. 1835)
Diodora dysoni (Reeve, 1850)
Diodora fluviana (Dall, 1889)
Diodora fragilis Farfante and Henriquez, 1947
Diodora fusilla S. S. Berry, 1959
Diodora graeca (Linnaeus, 1758)
Diodora granifera
Diodora habanensis Christiaens, 1975
Diodora harrassowitzi Von Ihering, 1927
Diodora inaequalis (Sowerby, 1835)
Diodora jaumei Aguayo and Rehder, 1936
Diodora listeri (d'Orbigny, 1842)
Diodora meta (von Ihering, 1927)
Diodora minuta (Lamarck, 1822)
Diodora murina Arnold, 1903
Diodora panamensis (Sowerby, 1835)
Diodora patagonica Orbigny, 1847
Diodora saturnalis (Carpenter, 1864)
Diodora sayi (Dall, 1889)
Diodora tanneri (A. E. Verrill, 1882)
Diodora variegata G. B. Sowerby II, 1862
Diodora viridula (Lamarck, 1822)
Diodora wetmorei Perez Farfante, 1945
Diplodon aethiops (Lea, 1860)
Diplodon berthae Ortmann, 1921
Diplodon besckeanus (Dunker, 1848)
Diplodon burroughiana (Lea, 1834)
Diplodon caipira (Ihering, 1893)
Diplodon charruana (d'Orbigny, 1835)
Diplodon chilensis (Gray, 1828)
Diplodon delodontus (Lamarck, 1819)
Diplodon dunkerianus (Lea, 1856)
Diplodon ellipticus (Spix & Wagner, 1827)
Diplodon expansus (Küster, 1856)
Diplodon flucki Morrison, 1943
Diplodon fluctiger (Lea, 1859)
Diplodon fontainianus (d'Orbigny, 1835)
Diplodon funebralis (Lea, 1860)
Diplodon granosus (Bruguière, 1792)
Diplodon grata (Lea, 1860)
Diplodon greeffeanus (Ihering, 1893)
Diplodon guaporensis Bonetto & Tassara, 1987
Diplodon guaranianus (d'Orbigny, 1835)
Diplodon hildae Ortmann, 1921
Diplodon hylaea (d'Orbigny, 1835)
Diplodon iheringi Simpson, 1914
Diplodon imitator Ortmann, 1921
Diplodon koseritzi (Clessin, 1888)
Diplodon losadae Haas, 1966
Diplodon martensi (Ihering, 1893)
Diplodon multistriatus (Lea, 1831)
Diplodon obsolescens F. Baker, 1913
Diplodon parallelopipedon (Lea, 1834)
Diplodon paranensis (Lea, 1834)
Diplodon parodizi Bonetto, 1962
Diplodon paulista (Ihering, 1893)
Diplodon peraeformis (Lea, 1860)
Diplodon pfeifferi (Dunker, 1848)
Diplodon piceus (Lea, 1860)
Diplodon rhombea (Spix & Wagner, 1827)
Diplodon rhuacoicus (d'Orbigny, 1835)
Diplodon rotundus (Spix & Wagner, 1827)
Diplodon solidulus (Philippi, 1869)
Diplodon solisianus (d'Orbigny, 1835)
Diplodon suavidica (Lea, 1856)
Diplodon uruguayensis (Lea, 1860)
Diplodon variabilis (Maton, 1811)
Diplodon vicarius Ortmann, 1921
Diplodon voltzi Vernhout, 1914
Diplodon wymanii (Lea, 1860)
Diplodonta aleutica Dall, 1901
Diplodonta candeana (d'Orbigny, 1842)
Diplodonta cornea (Reeve, 1850)
Diplodonta discrepans (Carpenter, 1857)
Diplodonta impolita S. S. Berry, 1953
Diplodonta inezensis (Hertlein and Strong, 1947)
Diplodonta lupina Brocchi, 1814
Diplodonta notata Dall and Simpson, 1901
Diplodonta nucleiformis Wagner, 1838
Diplodonta obliqua Philippi, 1846
Diplodonta orbella (Gould, 1851)
Diplodonta punctata (Say, 1822)
Diplodonta rotundata
Diplodonta semiaspera Philippi, 1836
Diplodonta sericata (Reeve, 1850)
Diplodonta soror C. B. Adams, 1852
Diplodonta subglobosa C. B. Adams, 1852
Diplodonta torrelli Jeffreys, 1976
Diplodonta venezuelensis Dunker, 1848
Diplodonta verrilli Dall, 1900
Diplodontites cookei Marshall, 1922
Diplodontites olssoni Pilsbry, 1933
Diplodontites pilsbryana Olsson & Wurtz, 1951
Diplosolenodes occidentale (Guilding, 1825)
Diplothyra smithii Tryon, 1862
Dirona albolineata MacFarland, 1905
Dirona aurantia Hurst, 1966
Dirona picta MacFarland, 1905
Discodoris alba White, 1952
Discodoris aurila Marcus and Marcus, 1967
Discodoris evelinae Er. Marcus, 1955
Discodoris heathi MacFarland, 1905
Discodoris hedgpethi Marcus and Marcus, 1959
Discodoris mavis Marcus and Marcus, 1967
Discodoris millegrana (Adler and Hancock, 1854)
Discodoris mortenseni Ev. Marcus and Er. Marcus, 1963
Discodoris notha Bergh, 1877
Discodoris phoca Ev. Marcus and Er. Marcus, 1967
Discodoris purcina Ev. Marcus and Er. Marcus, 1967
Discodoris pusae Er. Marcus, 1955
Discodoris voniheringi MacFarland, 1909
Discomya radulosa (Drouët & Chaper, 1892)
Disconaias conchos Taylor, 1997
Disconaias disca (Lea, 1838)
Disconaias fimbriata (Frierson, 1907)
Disconaias novileonis (Pilsbry, 1910)
Disconaias panacoensis (von dem Busch in Philippi, 1843)
Disconaias purpuriata (Say, 1831)
Discotectonica discus (Philippi, 1844)
Discoteuthis discus Young and Roper, 1969
Discoteuthis laciniosa Young and Roper, 1969
Discurria insessa (Hinds, 1842)
Discus brunsoni S. S. Berry, 1955
Discus bryanti (Harper, 1881)
Discus catskillensis (Pilsbry, 1896)
Discus clappi (Pilsbry, 1924)
Discus macclintocki (F. C. Baker, 1928)
Discus marmorensis H. B. Baker, 1932
Discus nigrimontanus (Pilsbry, 1924)
Discus patulus (Deshayes, 1830)
Discus rotundatus (Muller, 1774)
Discus selenitoides (Pilsbry, 1890)
Discus shimekii (Pilsbry, 1890)
Discus whitneyi (Newcomb, 1864)
Distorsio clathrata (Lamarck, 1816)
Distorsio constricta Broderip, 1833
Distorsio decussata (Valenciennes, 1832)
Distorsio floridana Gardner, 1947
Distorsio perdistorta Fulton, 1938
Divalinga quadrisulcata (d'Orbigny, 1842)
Divaricella angulifera (Orbigny, 1842)
Divaricella dentata (W. Wood, 1815)
Divaricella divaricata
Divaricella quadrisulcata (d'Orbigny, 1842)
Divariscintilla cordiformis P. M. Mikkelsen and Bieler, 1992
Divariscintilla luteocrinita P. M. Mikkelsen and Bieler, 1992
Divariscintilla octotentaculata P. M. Mikkelsen and Bieler, 1992
Divariscintilla troglodytes P. M. Mikkelsen and Bieler, 1989
Divariscintilla yoyo P. M. Mikkelsen and Bieler, 1989
Dolabrifera dolabrifera (Rang, 1828)
Dolicholatirus pauli (McGinty, 1955)
Donax californicus Conrad, 1837
Donax denticulatus Linnaeus, 1758
Donax fossor Say, 1822
Donax gouldii Dall, 1921
Donax roemeri Philippi, 1849
Donax texasianus Philippi, 1847
Donax variabilis Say, 1822
Donax variegatus
Donax vittatus
Dondersia californicum Heath, 1911
Dondice occidentalis (Engel, 1925)
Doridella batava (Kerbert, 1886)
Doridella burchi Ev. Marcus and Er. Marcus, 1967
Doridella depressus Balch, 1899
Doridella obscura A. E. Verrill, 1870
Doridella steinbergae (Lance, 1962)
Doridium pusum Marcus and Marcus, 1967
Doridunculus echinulatus G. O. Sars, 1878
Doriopsilla albopunctata (J. G. Cooper, 1863)
Doriopsilla areolata (Bergh, 1880)
Doriopsilla fedalae Pruvot-fol. 1953
Doriopsilla janaina Marcus and Marcus, 1967
Doriopsilla leia Er. Marcus, 1961
Doriopsilla nigromaculata (Cockerell In Coc. and Eliot, 1905)
Doriopsilla pelseneeri Oliviera, 1895
Doriopsilla pharpa Er. Marcus, 1961
Doriopsilla rowena Marcus and Marcus, 1967
Doris nobilis Odhner, 1907
Doris odonoghuei Steinberg, 1963
Doris sticta (Iredale and Donoghue, 1923)
Doris verrucosa Linnaeus, 1758
Dorsopsis taningi Thore, 1949
Dorymenia sarsii (Koren and Danielssen, 1877)
Dosidicus gigas (D'Orbigny, 1835 in 1834-1847)
Dosinia discus (Reeve, 1850)
Dosinia elegans (Conrad, 1843)
Dosinia exoleta
Dosinia lupinus
Doto amyra Er. Marcus, 1961
Doto caramella Er. Marcus, 1957
Doto chica Ev. Marcus and Er. Marcus, 1960
Doto cindyneutes Bouchet, 1977
Doto columbiana O'Donoghue, 1921
Doto coronata (Gmelin, 1791)
Doto crassicornis M. Sars, 1870
Doto cuspidata
Doto divae Ev. Marcus and Er. Marcus, 1960
Doto doerga Ev. Marcus and Er. Marcus, 1963
Doto dunnei Lemche, 1976
Doto eireana Lemche, 1976
Doto formosa A. E. Verrill, 1875
Doto fragilis (Forbes, 1838)
Doto hydrallmaniae Marrow
Doto hystrix Picton and Brown, 1981
Doto koenneckeri Lemche, 1976
Doto kya Er. Marcus, 1961
Doto lancei Ev. Marcus and Er. Marcus, 1967
Doto lemchei Ortea and Urgorri, 1978
Doto maculata (Montagu, 1804)
Doto millbayana Lemche, 1976
Doto nigra Eliot, 1910
Doto onusta Hesse, 1872
Doto papillifera Eliot, 1910
Doto pinnatifida
Doto pita Er. Marcus, 1955
Doto sarsiae Marrow, Thrope, Picton, 1992
Doto tuberculata Lemche, 1976
Doto uva Er. Marcus, 1955
Doto varians (MacFarland, 1966)
Drechselia danae Joubin, 1931
Dreissena bugensis Andrusov, 1897
Dreissena polymorpha (Pallas, 1771)
Drepanotrema aeruginosus (Morelet, 1851)
Drepanotrema cimex (Moricand, 1839)
Drepanotrema kermatoides (d'Orbigny, 1835)
Drillia acrybia (Dall, 1889)
Drillia acurugata Dall, 1890
Drillia albicoma Dall, 1889
Drillia amblytera (Bush, 1893)
Drillia asaedai (Hertlein and Strong, 1951)
Drillia canna Dall, 1889
Drillia cydia (Bartsch, 1943)
Drillia detecta (Dall, 1881)
Drillia dolana Dall, 1927
Drillia fancherae (Dall, 1903)
Drillia fanoa Dall, 1927
Drillia gibbosa (Born, 1778)
Drillia inimica Dall, 1927
Drillia interpleura Dall and Simpson, 1901
Drillia orellana Dall, 1927
Drillia pharcida (Dall, 1889)
Drillia pilsbryi (Bartsch, 1950)
Drillia ponciana Dall and Simpson, 1901
Drillia solida C. B. Adams, 1830
Drillia unimaculata (Sowerby, 1834)
Drillia wolfei Tippett, 1995
Drilliola loprestiana (Calcara, 1841)
Drilliola pruina (Watson, 1881)
Dromus dromas (Lea, 1834)
Drupinia grossularia (Röding, 1798)
Dryachloa dauca F. G. Thompson and H. G. Lee, 1980
Drymaeus dominicus (Reeve, 1850)
Drymaeus dormani (W. G. Binney, 1857)
Drymaeus multilineatus (Say, 1825)
Echininus cummingi
Echininus nodulosus (Pfeiffer, 1839)
Echyridella aucklandica (Gray, 1843)
Echyridella menziesii (Gray, 1843)
Echyridella onekaka Fenwick & Marshall, 2006
Ecrobia truncata (Vanatta, 1924)
Ecrobia ventrosa (Montagu, 1803)
Egea inermis Joubin, 1933
Elachisina floridana (Rehder, 1943)
Elachisina globuloides (Waren, 1972)
Elachisina grippi Dall, 1918
Elaeocyma empyrosia (Dall, 1899)
Eledone caparti Adam, 1950
Eledone cirrhosa (Lamarck, 1798)
Eledone gaucha Haimovici, 1988
Eledone massyae Voss, 1964
Eledone microsicya (Rochebrune, 1884)
Eledone moschata (Lamarck, 1798)
Eledone nigra (Hoyle, 1910)
Eledone palari Lu and Stranks, 1992
Eledone thysanophora Voss, 1962
Eledonella pygmaea Verrill, 1884
Eledonella sheardi Allan, 1945
Eleutheromenia sierra (Pruvot, 1890)
Elimia acuta (Lea, 1831)
Elimia alabamensis (Lea, 1861)
Elimia albanyensis (Lea, 1864)
Elimia ampla (Anthony, 1854)
Elimia annae Mihalcik and F. G. Thompson, 2002
Elimia annettae (Goodrich, 1941)
Elimia arachnoidea (Anthony, 1854)
Elimia aterina (Lea, 1863)
Elimia athearni (Clench and Turner, 1956)
Elimia bellacrenata (Haldeman, 1841)
Elimia bellula (Lea, 1861)
Elimia boykiniana (Lea, 1840)
Elimia brevis (Reeve, 1860)
Elimia broccata F. G. Thompson, 2000
Elimia buffyae Mihalcik and F. G. Thompson, 2002
Elimia bullula (Lea, 1861)
Elimia caelatura (Reeve, 1860)
Elimia cahawbensis (Lea, 1861)
Elimia cancellata (Say, 1829)
Elimia capillaris (Lea, 1861)
Elimia carinifera (Lamarck, 1822)
Elimia carinocostata (Lea, 1854)
Elimia catenaria (Say, 1822)
Elimia catenoides (Lea, 1842)
Elimia chiltonensis (Goodrich, 1941)
Elimia christyi (Lea, 1862)
Elimia clara (Anthony, 1854)
Elimia clausa (Lea, 1861)
Elimia clavaeformis (Lea, 1841)
Elimia clenchi (Goodrich, 1924)
Elimia cochliaris (Lea, 1868)
Elimia comalensis (Pilsbry, 1890)
Elimia comma (Conrad, 1834)
Elimia costifera (Reeve, 1861)
Elimia crenatella (Lea, 1860)
Elimia curreyana (Lea, 1841)
Elimia cylindracea (Conrad, 1834)
Elimia darwini Mihalcik and F. G. Thompson, 2002
Elimia dickinsoni (Clench and Turner, 1956)
Elimia dislocata (Reeve, 1861)
Elimia dooleyensis (Lea, 1862)
Elimia ebenum (Lea, 1841)
Elimia edgariana (Lea, 1841)
Elimia exusta Mihalcik and F. G. Thompson, 2002
Elimia fascinans (Lea, 1861)
Elimia flava (Lea, 1862)
Elimia floridensis (Reeve, 1860)
Elimia fusiformis (Lea, 1861)
Elimia gibbera (Goodrich, 1922)
Elimia glarea Mihalcik and F. G. Thompson, 2002
Elimia godwini F. G. Thompson, 2000
Elimia hartmaniana (Lea, 1861)
Elimia haysiana (Lea, 1843)
Elimia hydeii (Conrad, 1834)
Elimia impressa (Lea, 1841)
Elimia inclinans (Lea, 1862)
Elimia induta (Lea, 1862)
Elimia interrupta (Haldeman, 1840)
Elimia interveniens (Lea, 1862)
Elimia jonesi (Goodrich, 1936)
Elimia lachryma (Reeve, 1861)
Elimia laeta (Jay, 1839)
Elimia laqueata (Say, 1829)
Elimia lecontiana (Lea, 1841)
Elimia livescens (Menke, 1830)
Elimia macglameriana (Goodrich, 1936)
Elimia melanoides (Conrad, 1834)
Elimia mihalcikae F. G. Thompson, 2000
Elimia modesta (Lea, 1845)
Elimia mutabilis (Lea, 1862)
Elimia nassula (Conrad, 1834)
Elimia olivula (Conrad, 1834)
Elimia ornata (Lea, 1868)
Elimia paupercula (Lea, 1862)
Elimia perstriata (Lea, 1852)
Elimia pilsbryi (Goodrich, 1927)
Elimia plicatastriata (Wetherby, 1876)
Elimia porrecta (Lea, 1863)
Elimia potosiensis (Lea, 1841)
Elimia proxima (Say, 1825)
Elimia pupaeformis (Lea, 1864)
Elimia pupoidea (Anthony, 1854)
Elimia pybasii (Lea, 1862)
Elimia pygmaea (H. H. Smith, 1936)
Elimia semicarinata (Say, 1829)
Elimia showalterii (Lea, 1861)
Elimia simplex (Say, 1825)
Elimia striatula (Lea, 1842)
Elimia strigosa (Lea, 1841)
Elimia symmetrica (Haldeman, 1841)
Elimia taitiana (Lea, 1841)
Elimia teres (Lea, 1841)
Elimia teretria F. G. Thompson, 2000
Elimia timida (Goodrich, 1942)
Elimia troostiana (Lea, 1838)
Elimia ucheensis (Lea, 1862)
Elimia vanhyningiana (Goodrich, 1921)
Elimia vanuxemiana (Lea, 1843)
Elimia varians (Lea, 1861)
Elimia variata (Lea, 1861)
Elimia viennaensis (Lea, 1862)
Elimia virginica (Gmelin, 1791)
Ellipsaria lineolata (Rafinesque, 1820)
Elliptio ahenea (Lea, 1845)
Elliptio angustata (Lea, 1831)
Elliptio arca (Conrad, 1834)
Elliptio arctata (Conrad, 1834)
Elliptio chipolaensis (Walker, 1905)
Elliptio cistellaeformis (Lea, 1863)
Elliptio complanata (Lightfoot, 1786)
Elliptio congaraea (Lea, 1831)
Elliptio crassidens (Lamarck, 1819)
Elliptio dariensis (Lea, 1842)
Elliptio downiei (Lea, 1858)
Elliptio fisheriana (Lea, 1838)
Elliptio folliculata (Lea, 1838)
Elliptio fraterna (Lea, 1852)
Elliptio fumata (Lea, 1857)
Elliptio hopetonensis (Lea, 1838)
Elliptio icterina (Conrad, 1834)
Elliptio jayensis (Lea, 1838)
Elliptio lanceolata (Lea, 1828)
Elliptio marsupiobesa Fuller, 1972
Elliptio mcmichaeli Clench & Turner, 1956
Elliptio monroensis (Lea, 1843)
Elliptio nigella (Lea, 1852)
Elliptio occulta (Lea, 1843)
Elliptio producta (Conrad, 1836)
Elliptio pullata (Lea, 1856)
Elliptio purpurella (Lea, 1857)
Elliptio roanokensis (Lea, 1838)
Elliptio shepardiana (Lea, 1834)
Elliptio spinosa (Lea, 1836)
Elliptoideus sloatianus (Lea, 1840)
Ellobium dominicense (Ferussac, 1821)
Ellobium pellucens (Menke, 1830)
Elongaria orientalis (Lea, 1840)
Elongaria trompi (Drouët & Chaper, 1892)
Elysia canguzua Er. Marcus, 1955
Elysia catulus (Gould, 1870)
Elysia chlorotica Gould, 1870
Elysia cornigera Nuttall, 1989
Elysia crispata Mørch, 1863
Elysia evelinae Er. Marcus, 1957
Elysia hedgpethi Er. Marcus, 1961
Elysia ornata (Swainson, 1840)
Elysia papillosa A. E. Verrill, 1901
Elysia patina Ev. Marcus, 1980
Elysia picta A. E. Verrill, 1901
Elysia serca Er. Marcus, 1955
Elysia subornata A. E. Verrill, 1901
Elysia tuca Ev. Marcus and Er. Marcus, 1967
Elysia viridis
Emarcusia morroensis Roller, 1972
Emarginula conica Lamarck. 1801
Emarginula crassa Sowerby, 1812
Emarginula dentigera Heilprin, 1889
Emarginula fissura
Emarginula nordica Perez Farfante, 1947
Emarginula phrixodes Dall, 1927
Emarginula pumila (A. Adams, 1852)
Emarginula sicula J. E. Gray, 1825
Emarginula tuberculosa Libassi, 1859
Emarginula velascoensis
Embletonia pulchra (Alder and Hancock, 1944)
Empleconia vaginata (Dall, 1891)
Enaeta cumingii (Broderip, 1882)
Enaeta cylleniformis (G. B. Sowerby I, 1844)
Enaeta guildingi (Sowerby, 1844)
Enaeta reevei (Dall, 1907)
Engina caribbaea Bartsch and Rehder, 1939
Engina corinnae Crovo, 1971
Engina strongi Pilsbry and Lowe, 1932
Engina turbinella (Kiener, 1835)
Engoniophos unicinctus (Say, 1825)
Ennucula linki (Dall, 1916)
Ennucula tenuis (Montagu, 1808)
Enoploteuthis anapsis Roper, 1964
Enoploteuthis chunii Ishikawa, 1914
Enoploteuthis galaxias Berry, 1918
Enoploteuthis higginsi Burgess, 1982
Enoploteuthis jonesi Burgess, 1982
Enoploteuthis leptura (Leach, 1817)
Enoploteuthis obliqua Burgess, 1982
Enoploteuthis octolineata Burgess, 1982
Enoploteuthis reticulata Rancurel, 1970
Enoploteuthis semilineata Alexeyev, 1994
Ensidens dugasti (Morlet, 1892)
Ensidens ingallsianus (Lea, 1852)
Ensidens jaculus (Rochebrune, 1882)
Ensidens sagittarius (Lea, 1856)
Ensidens spiculus Pfeiffer, Graf, Cummings & Page, 2021
Ensidens telus Pfeiffer, Graf, Cummings & Page, 2021
Ensis americanus (Gould, 1870)
Ensis arcuatus
Ensis californicus Dall, 1899
Ensis directus Conrad, 1843
Ensis ensis (Linnaeus, 1758)
Ensis magnus Schumacher, 1817
Ensis minor Dall, 1900
Ensis myrae S. S. Berry, 1953
Ensis siliqua
Ensitellops pilsbryi (Dall, 1899)
Ensitellops protexta (Conrad, 1841)
Ensitellops tabula Olsson and Harbison, 1953
Entalina platomodes Watson, 1879
Entalina quinquangularis (Forbes, 1843)
Entalinopsis callithrix (Dall, 1889)
Entemnotrochus adansonianus (Crosse and P. Fischer, 1861)
Enteroctopus dofleini (Wülker, 1910)
Enteroctopus juttingi Robson, 1929
Enteroctopus megalocyathus (Gould, 1852)
Enteroctopus membranaceus Rochebrune and Mabille, 1889
Enteroxenos parastichopoli (Tikasingh, 1961)
Entocolax ludwigii Voigt, 1888
Entoconcha mirabilis J. Muller, 1852
Entodesma beana (d'Orbigny, 1842)
Entodesma navicula (A. Adams and Reeve, 1850)
Entodesma pictum (G. B. Sowerby I, 1834)
Entodesma saxicola (Baird, 1863)
Entovalva perrieri (Malard, 1903)
Eobania vermiculata (Muller, 1774)
Eogonatus tinro (Nesis, 1972)
Epicynia devexa Keen, 1946
Epicynia inornata (d'Orbigny, 1842)
Epicynia multicarinata (Dall, 1889)
Epilepton clarkiae (Clark, 1852)
Epilucina californica (Conrad, 1837)
Epioblasma ahlstedti Jones & Neves, 2010
Epioblasma arcaeformis (Lea, 1831)
Epioblasma aureola Jones & Neves, 2010
Epioblasma biemarginata (Lea, 1857)
Epioblasma brevidens (Lea, 1831)
Epioblasma capsaeformis (Lea, 1834)
Epioblasma cincinnatiensis (Lea, 1840)
Epioblasma curtisii (Frierson & Utterback in Utterback, 1916)
Epioblasma flexuosa (Rafinesque, 1820)
Epioblasma florentina (Lea, 1857)
Epioblasma gubernaculum (Reeve, 1865)
Epioblasma haysiana (Lea, 1834)
Epioblasma lenior (Lea, 1842)
Epioblasma lewisii (Walker, 1910)
Epioblasma metastriata (Conrad, 1838)
Epioblasma obliquata (Rafinesque, 1820)
Epioblasma othcaloogensis (Lea, 1857)
Epioblasma penita (Conrad, 1834)
Epioblasma perobliqua (Conrad, 1836)
Epioblasma personata (Say, 1829)
Epioblasma propinqua (Lea, 1857)
Epioblasma rangiana (Lea, 1838)
Epioblasma sampsonii (Lea, 1862)
Epioblasma stewardsonii (Lea, 1852)
Epioblasma torulosa (Rafinesque, 1820)
Epioblasma triquetra (Rafinesque, 1820)
Epioblasma turgidula (Lea, 1858)
Epioblasma walkeri (Wilson & H. W. Clark, 1914)
Episcynia devexa Keen, 1946
Episcynia inornata (d'Orbigny, 1842)
Episiphon didymus (Watson, 1879)
Episiphon sowerbyi (Guilding, 1834)
Epitonium albidum (d'Orbigny, 1842)
Epitonium angulatum (Say, 1830)
Epitonium apiculatum (Dall, 1889)
Epitonium babylonia (Dall, 1889)
Epitonium blainei Clench and Turner, 1953
Epitonium borealis
Epitonium caamanoi Dall and Bartsch, 1910
Epitonium candeanum (d'Orbigny, 1842)
Epitonium catalinae Dall, 1908
Epitonium celesti (Aradas, 1854)
Epitonium championi Clench and Turner, 1952
Epitonium clathratulum
Epitonium clathrum Linnaeus, 1758
Epitonium columbianum Dall, 1917
Epitonium dallianum (A. E. Verrill and S. Smith, 1880)
Epitonium denticulatum (G. B. Sowerby II, 1844)
Epitonium echinaticosta (d'Orbigny, 1842)
Epitonium eulita (Dale and Simpson, 1901)
Epitonium foliaceicosta (d'Orbigny, 1842)
Epitonium fractum Dall, 1927
Epitonium frielei (Dall, 1889)
Epitonium greenlandicum (G. Perry, 1811)
Epitonium humphreysii (Kiener, 1838)
Epitonium indianorum (Carpenter, 1864)
Epitonium krebsii (Morch, 1874)
Epitonium lamellosum (Lamarck, 1822)
Epitonium lowei (Dall, 1906)
Epitonium matthewsae Clench and Turner, 1952
Epitonium multistriatum (Say, 1826)
Epitonium nautlae Morch, 1874
Epitonium nitidella (Dall, 1889)
Epitonium nitidum
Epitonium novangliae (Couthouy, 1838)
Epitonium occidentale (Nyst, 1871)
Epitonium pandion Clench and Turner, 1952
Epitonium phymanthi Robertson, 1994
Epitonium polacium (Dall, 1889)
Epitonium pourtalesii (A. E. Verrill and S. Smith, 1880)
Epitonium rupicola (Kurtz, 1860)
Epitonium rushii (Dall, 1889)
Epitonium sawinae (Dall, 1903)
Epitonium sericifilum (Dall, 1889)
Epitonium striatissimum (di Monterosato, 1878)
Epitonium tollini Bartsch, 1938
Epitonium turtonae
Epitonium unifasciatum (G. B. Sowerby II, 1844)
Erato albescens Dall, 1905
Erato columbella Menke, 1847
Erato maugeriae Gray, 1823
Erato vitellina (Hinds, 1844)
Erato voluta
Eratoidea hematita (Kiener, 1834)
Ercolania boodleae (Baba, 1938)
Ercolania coerulea Trinchese, 1893
Ercolania funerea (A. Costa, 1867)
Ercolania fuscata (Gould, 1870)
Eremarionta aquaealbae S. S. Berry, 1922
Eremarionta brunnea (Willett, 1935)
Eremarionta greggi W. B. Miller, 1981
Eremarionta immaculata (Willett, 1937)
Eremarionta indioensis (Yates, 1890)
Eremarionta millepalmarum (S. S. Berry, 1930)
Eremarionta morongoana (S. S. Berry, 1929)
Eremarionta newcombi Pilsbry and Ferriss, 1923
Eremarionta orocopia (Willett, 1939)
Eremarionta rowelli (Newcomb, 1865)
Eremariontoides argus (Edson, 1912)
Eremopyrgus eganensis Hershler, 1999
Erginus apicinus (Dall, 1879)
Erginus moskalevi (Golikov and Kussakin, 1972)
Erginus puniceus Lindberg, 1988
Erginus rubellus (Fabricius, 1780)
Erginus sybariticus (Dall, 1871)
Erinna aulacospira (Ancey, 1899)
Erinna newcombi Adams and Adams, 1855
Erosaria acicularis (Gmelin, 1791)
Ersilia stancyki Waren, 1980
Ervilia bisculpta
Ervilia castanea (Montagu, 1803)
Ervilia concentrica (Holmes, 1860)
Ervilia nitens (Montagu, 1808)
Ervilia sandwichensis
Ervilia subcancellata E. A. Smith, 1885
Erycina balliana Dall, 1916
Erycina coronata Dall, 1916
Erycina emmonsi Dall, 1899
Erycina linella Dall, 1899
Erycina periscopiana Dall, 1899
Etheria elliptica Lamarck, 1807
Euaxoctopus panamensis Voss, 1971
Euaxoctopus pillsburyae Voss, 1975
Euaxoctopus scalenus (Hoyle, 1904)
Eubela calyx (Dall, 1889)
Eubela limacina (Dall, 1881)
Eubela mcgintyi Schwengel, 1943
Eubela sofia
Eubranchus columbianus (O'Donoghue, 1922)
Eubranchus coniclus (Er. Marcus, 1958)
Eubranchus doriae (Trinchese, 1874)
Eubranchus exiguus (Alder and Hancock, 1848)
Eubranchus farrani (Alder and Hancock, 1844)
Eubranchus misakiensis Baba, 1960
Eubranchus olivaceus (O'Donoghue, 1922)
Eubranchus pallidus (Alder and Hancock, 1842)
Eubranchus rustyus (Er. Marcus, 1961)
Eubranchus sanjuanensis Roller, 1972
Eubranchus steinbecki Behrens, 1987
Eubranchus tricolor Forbes, 1838
Eubranchus vittatus (Alder and Hancock, 1842)
Euchelus corbis (Dall, 1889)
Euchelus corrugatus
Euchelus dentiferus (Dall, 1889)
Euchelus eucastus (Dall, 1889)
Euchelus guttarosea Dall, 1889
Euchelus quadricarinatus (Holten, 1802)
Euchemotrema cheatumi (R. W. Fullington, 1974)
Euchemotrema fasciatum (Pilsbry, 1940)
Euchemotrema fraternum (Say, 1824)
Euchemotrema hubrichti (Pilsbry, 1940)
Euchemotrema leai (A. Binney, 1841)
Euchemotrema wichitorum (Branson, 1972)
Euciroa elegantissima (Dall, 1881)
Eucithara angiostoma
Eucithara pusilla
Eucleoteuthis luminosa (Sasaki, 1915)
Euconulus chersinus (Say, 1821)
Euconulus dentatus (Sterki, 1893)
Euconulus fulvus (Muller, 1774)
Euconulus polygyratus (Pilsbry, 1899)
Euconulus trochulus (Reinhardt, 1883)
Eucrassatella fluctuata (Carpenter, 1864)
Eucrassatella speciosa (A. Adams, 1852)
Eudolium bairdii (A. E. Verrill and S. Smith, 1881)
Eudolium crosseanum (di Monterosato, 1869)
Eudolium thompsoni McGinty, 1955
Euglandina rosea (Ferussac, 1818)
Euglandina singleyana (W. G. Binney, 1892)
Euglandina texasiana (Pfeiffer, 1857)
Eulima alaskensis (Bartsch, 1917)
Eulima almo (Bartsch, 1917)
Eulima auricincta (Abbott, 1958)
Eulima bifasciata D'Orbigny, 1842
Eulima fulvocincta C. B. Adams, 1850
Eulima hemphillii (Dall, 1884)
Eulima patula Dall and Simpson, 1901
Eulima raymondi Rivers, 1904
Eulima schwengelae (Bartsch, 1938)
Eulimastoma engonium (Bush, 1885)
Eulimastoma teres (Bush, 1885)
Eulimastoma weberi (Morrison, 1965)
Eulimella nitidissima
Eulimella polita (A. E. Verrill, 1872)
Eulimella smithii (A. E. Verrill, 1880)
Eulimostraca hemphilli
Eulimostraca subcarinata (d'Orbigny, 1842)
Eulithidium affine (C. B. Adams, 1850)
Eulithidium bellum (M. Smith, 1937)
Eulithidium comptum (Gould, 1855)
Eulithidium pterocladicum (Robertson, 1958)
Eulithidium pulloide (Carpenter, 1864)
Eulithidium rubrilineatum (Strong, 1928)
Eulithidium substriatum (Carpenter, 1864)
Eulithidium thalassicola (Robertson, 1958)
Eumetula arctica (Morch, 1857)
Eupera cubensis (Prime, 1865)
Eupera singleyi Pilsbry
Eupleura caudata (Say, 1822)
Eupleura grippi Dall, 1911
Eupleura muriciformis (Broderip, 1833)
Eupleura nitida (Broderip, 1833)
Eupleura pectinata (Hinds, 1844)
Eupleura stimpsoni Dall
Eupleura sulcidentata Dall, 1890
Euprymna albatrossae Voss, 1962
Euprymna berryi Sasaki, 1929
Euprymna hoylei Adam, 1986
Euprymna hyllebergi Nateewathana, 1997
Euprymna morsei (Verrill, 1881 in 1880-1881)
Euprymna penares (Gray, 1849)
Euprymna phenax Voss, 1962
Euprymna pusilla (Pfeffer, 1884)
Euprymna schneehageni (Pfeffer, 1884)
Euprymna scolopes Berry, 1913
Euprymna stenodactyla (Grant, 1833)
Euprymna tasmanica (Pfeffer, 1884)
Eurynia dilatata (Rafinesque, 1820)
Euspira catena (da Costa, 1778)
Euspira heros (Say, 1822)
Euspira immaculata (Totten, 1835)
Euspira levicula (A. E. Verrill, 1880)
Euspira lewisii (Gould, 1847)
Euspira montagui (Forbes, 1838)
Euspira nana (Møller, 1842)
Euspira pallida (Broderip and G. B. Sowerby I, 1829)
Euspira pulchella (Risso, 1826)
Euspira tenuis (Récluz, 1850)
Euspira triseriata (Say, 1826)
Euvola diegensis (Dall, 1898)
Euvola raveneli (Dall, 1898)
Euvola vogdesi (R. Arnold, 1906)
Euvola ziczac (Linnaeus, 1758)
Evalea amchitkana (Dall and Bartsch, 1909)
Exilioidea kelseyi (Dall, 1908)
Exilioidea rectirostris (Carpenter, 1864)
Fabella pilsbryi (Dall, 1899)
Facelina annulicornis (Chamisso and Eysenhardt, 1821)
Facelina auriculata (O. F. Muller, 1806)
Facelina bostoniensis (Couthouy, 1838)
Facelina drummondi
Facelina dubia Pruvot-fol, 1949
Facelina stearnsi Cockerell, 1901
Falcidens caudatus
Falcidens crossotus Salvini-Plawen, 1968
Falcidens hartmanae (Schwabl, 1961)
Falcidens longus Scheltema, 1997
Falcidens macracanthus Scheltema, 1997
Falcidens sagittiferus Salvini-Plawen, 1968
Falcidens sterreri (Salvini-plawen, 1967)
Falcidens thorensis Salvini-plawen, 1971
Falsicingula aleutica (Dall, 1887)
Fargoa bartschi (Winkley, 1909)
Fargoa bushiana (Bartsch, 1909)
Fargoa calesi (Bartsch, 1909)
Fargoa dianthophila (H. W. Wells and M. J. Wells, 1961)
Fargoa dux (Dall and Bartsch, 1906)
Fargoa gibbosa (Bush, 1909)
Fartulum bakeri (Bartsch, 1920)
Fartulum occidentale (Bartsch, 1920)
Fartulum orcutti (Dall, 1885)
Fasciolaria bullisi Lyons, 1972
Fasciolaria lilium G. Fischer, 1807
Fasciolaria tulipa (Linnaeus, 1758)
Favartia alveata (Kiener, 1842)
Favartia cellulosa (Conrad, 1846)
Favartia lindae Petuch, 1987
Favartia minirosea (Abbott, 1954)
Favartia pacei Petuch, 1988
Favartia richardbinghami (Petuch, 1987)
Favorinus auritulus Er. Marcus, 1955
Favorinus blianus Lemche and Thompson, 1974
Favorinus branchialis
Fedikovella beanii (Dall, 1882)
Felaniella cornea (Reeve, 1850)
Felaniella parilis (Conrad, 1848)
Felimare bayeri Ev. Marcus and Er. Marcus, 1967
Fenimorea fucata (Reeve, 1845)
Fenimorea halidorema (Schwengel, 1940)
Fenimorea janetae Bartsch, 1943
Ferrissia californica (Rowell, 1863)
Ferrissia rivularis (Say, 1817)
Ficus carolae Clench, 1945
Ficus communis Roding, 1798
Fimbria fimbriata (Linnaeus, 1758)
Finella adamsi (Dall, 1889)
Finella barbarensis (Bartsch, 1911)
Finella californica (Dall and Bartsch, 1901)
Finella dubia (d'Orbigny, 1842)
Finella hamlini (Bartsch, 1911)
Finella io (Bartsch, 1911)
Finella phanea (Bartsch, 1911)
Finella pupoides A. Adams, 1860
Finella tenuisculpta (Carpenter, 1864)
Fiona pinnata (Eschscholtz, 1831)
Firoloida demarestia Lesueur, 1817
Fisherola nuttalli (Haldeman, 1841)
Fissidentalium calamus (Dall, 1889)
Fissidentalium candidum (Jeffreys, 1877)
Fissidentalium capillosum (Jeffreys, 1877)
Fissidentalium carduus (Dall, 1889)
Fissidentalium exuberans (Locard, 1897)
Fissidentalium floridense (J. B. Henderson, 1920)
Fissidentalium megathyris (Dall, 1890)
Fissidentalium meridionale (Pilsbry and Sharp, 1897)
Fissurella alabastites Reeve, 1849
Fissurella angusta (Gmelin, 1791)
Fissurella barbadensis (Gmelin, 1791)
Fissurella barbouri Farfante, 1943
Fissurella clenchi Farfante, 1943
Fissurella fascicularis Lamarck, 1822
Fissurella microtrema Sowerby, 1835
Fissurella nimbosa (Linnaeus, 1758)
Fissurella nodosa (Born, 1778)
Fissurella punctata P. Fischer, 1857
Fissurella rosea (Gmelin, 1791)
Fissurella rubropicta Pilsbry, 1890
Fissurella subrostrata Sowerby, 1835
Fissurella volcano Reeve, 1849
Fissurellidea bimaculata Dall, 1871
Fissurisepta granulata (Sequenza, 1863)
Flabellina cooperi (Cockerell, 1901)
Flabellina engeli Ev. Marcus and Er. Marcus, 1968
Flabellina gracilis (Alder and Hancock, 1844)
Flabellina nobilis (A. E. Verrill, 1880)
Flabellina pedata (Montagu, 1815)
Flabellina pellucida (Alder and Hancock, 1843)
Flabellina pricei (MacFarland, 1966)
Flabellina salmonacea (Couthouy, 1838)
Flabellina subrosacea (Eschscholtz, 1831)
Flabellina trilineata (O'Donoghue, 1921)
Flabellina trophina (Bergh, 1894)
Flabellina verrucosa (M. Sars, 1829)
Flabellinopsis iodinea (Cooper, 1863)
Floridiscrobs dysbatus (Pilsbry and McGinty, 1949)
Floridobia alexander (F. G. Thompson, 2000)
Floridobia floridana (Frauenfeld, 1863)
Floridobia fraterna (F. G. Thompson, 1968)
Floridobia helicogyra (F. G. Thompson, 1968)
Floridobia leptospira (F. G. Thompson, 2000)
Floridobia mica (F. G. Thompson, 1968)
Floridobia monroensis (Dall, 1885)
Floridobia parva (F. G. Thompson, 1968)
Floridobia petrifons (F. G. Thompson, 1968)
Floridobia ponderosa (F. G. Thompson, 1968)
Floridobia porterae (F. G. Thompson, 2000)
Floridobia vanhyningi (Vanatta, 1934)
Floridobia wekiwae (F. G. Thompson, 1968)
Floridobia winkleyi (Pilsbry, 1912)
Fluminicola ahjumawi Hershler, Liu, Frest and Johannes, 2007
Fluminicola anserinus Hershler, Liu, Frest and Johannes, 2007
Fluminicola caballensis Hershler, Liu, Frest and Johannes, 2007
Fluminicola coloradoensis Morrison, 1940
Fluminicola dalli (Call, 1884)
Fluminicola erosus Hershler, Liu, Frest and Johannes, 2007
Fluminicola favillaceus Hershler, Liu, Frest and Johannes, 2007
Fluminicola fremonti Hershler, Liu, Frest and Johannes, 2007
Fluminicola fresti Hershler, Liu and Hubbart, 2017
Fluminicola fuscus (Haldeman, 1847)
Fluminicola gustafsoni Hershler and Liu, 2012
Fluminicola insolitus Hershler, 1999
Fluminicola klamathensis Liu and Hershler, 2019
Fluminicola lunsfordensis Hershler, Liu, Frest and Johannes, 2007
Fluminicola minutissimus Pilsbry, 1907
Fluminicola modoci Hannibal, 1912
Fluminicola multifarius Hershler, Liu, Frest and Johannes, 2007
Fluminicola neritoides Hershler, Liu, Frest and Johannes, 2007
Fluminicola nuttallianus (Lea, 1838)
Fluminicola potemicus Hershler, Liu, Frest and Johannes, 2007
Fluminicola scopulinus Hershler, Liu, Frest and Johannes, 2007
Fluminicola seminalis (Hinds, 1842)
Fluminicola turbiniformis (Tryon, 1865)
Fluminicola umbilicatus Hershler, Liu, Frest and Johannes, 2007
Fluminicola umpquaensis Hershler, Liu and Hubbart, 2017
Fluminicola virens (Lea, 1838)
Fluminicola virginius Hershler, 1999
Fluminicola warnerensis Hershler, Liu, Frest and Johannes, 2007
Folinia bermudezi (Aguayo and Rehder, 1936)
Fontigens aldrichi (Call and Beecher, 1886)
Fontigens antroecetes (Hubricht, 1972)
Fontigens bottimeri (Walker, 1925)
Fontigens cryptica Hubricht, 1963
Fontigens morrisoni Hershler, Holsinger and Hubricht, 1990
Fontigens nickliniana (Lea, 1838)
Fontigens orolibas Hubricht, 1957
Fontigens proserpina (Hubricht, 1940)
Fontigens tartarea Hubricht, 1963
Fontigens turritella Hubricht, 1976
Forreria belcheri (Hinds, 1843)
Fossarus bellus Dall, 1889
Fossarus compactus Dall, 1889
Fossarus elegans A. E. Verrill and S. Smith, 1882
Fossarus orbignyi P. Fischer, 1864
Fossula fossiculifera (d'Orbigny, 1835)
Fowlerina zetesios Pelseneer, 1906
Fragum mundum (Reeve, 1845)
Friersonia iridella (Pilsbry & Frierson, 1908)
Frigidoalvania brychia (A. E. Verrill, 1884)
Frigidoalvania cruenta (Odhner, 1915)
Frigidoalvania janmayeni (Friele, 1878)
Frigidoalvania pelagica (Stimpson, 1851)
Froekenia clara Hoyle, 1904
Fumonelix archeri (Pilsbry, 1940)
Fumonelix christyi (Bland, 1860)
Fumonelix jonesiana (Archer, 1938)
Fumonelix orestes (Hubricht, 1975)
Fumonelix wetherbyi (Bland, 1873)
Fumonelix wheatleyi (Bland, 1860)
Fusconaia askewi (Marsh, 1896)
Fusconaia burkei (Walker in Ortmann & Walker, 1922)
Fusconaia cerina (Conrad, 1838)
Fusconaia chunii (Lea, 1861)
Fusconaia cor (Conrad, 1834)
Fusconaia cuneolus (Lea, 1840)
Fusconaia escambia Clench & Turner, 1956
Fusconaia flava (Rafinesque, 1820)
Fusconaia iheringi (B. H. Wright, 1898)
Fusconaia lananensis (Frierson, 1901)
Fusconaia masoni (Conrad, 1834)
Fusconaia mitchelli (Simpson in Dall, 1896)
Fusconaia ozarkensis (Call, 1887)
Fusconaia subrotunda (Lea, 1831)
Fusinus aepynotus (Dall, 1889)
Fusinus alcimus (Dall, 1889)
Fusinus amphiurgus (Dall, 1889)
Fusinus barbarensis (Trask, 1855)
Fusinus benthalis (Dall, 1889)
Fusinus bocagei (P. Fischer, 1882)
Fusinus couei (Petit de la Saussaye, 1853)
Fusinus dowianus Olsson, 1954
Fusinus eucosmius (Dall, 1889)
Fusinus harfordii (Stearns, 1871)
Fusinus helenae Bartsch, 1939
Fusinus kobelti (Dall, 1877)
Fusinus luteopictus (Dall, 1877)
Fusinus monksae Dall, 1915
Fusinus stegeri Lyons, 1978
Fusinus timessus (Dall, 1889)
Fusinus undatus (Gmelin, 1791)
Fusitriton oregonensis (Redfield, 1848)
Fustiaria circinatum (G. B. Sowerby, 1823)
Fustiaria liodon (Pilsbry and Sharp, 1897)
Fustiaria stenoschizum (Pilsbry and Sharp, 1897)
Gabrielona nepeanensis Gatliff and Gabriel, 1908
Gabrielona sulcifera Robertson, 1973
Gadila fusiformis (Pilsbry and Sharp, 1898)
Gadila gadus (Montagu, 1803)
Gadila hepburni (Dall, 1897)
Gadila mayori (J. B. Henderson, 1920)
Gadila olivii (Scacchi, 1835)
Gadila subfusiformes (M. Sars, 1850)
Gadilina triquetra (Brocchi, 1814)
Gafrarium minimum
Galba alberta F. C. Baker, 1919
Galba bulimoides (Lea, 1841)
Galba cockerelli (Pilsbry and Ferriss, 1906)
Galba cubensis (Pfeiffer, 1839)
Galba cyclostoma (Walker, 1808)
Galba dalli (F. C. Baker, 1907)
Galba exigua (Lea, 1841)
Galba galbana (Say, 1825)
Galba humilis (Say, 1822)
Galba modicella (Say, 1825)
Galba obrussa (Say, 1825)
Galba parva (Lea, 1841)
Galba peninsulae (Walker, 1908)
Galba perplexa (F. C. Baker and J. Henderson, 1929)
Galba perpolita (Dall, 1905)
Galba rustica (Lea, 1841)
Galba sonomaensis (Hemphill in Pilsbry and Ferriss, 1906)
Galba tazewelliana (Wolf, 1870)
Galba techella Haldeman, 1867
Galba truncatula (Muller, 1774)
Galba vancouverensis (F. C. Baker, 1939)
Galeomma turtoni Turton, 1825
Galiteuthis armata Joubin, 1898
Galiteuthis glacialis (Chun, 1906)
Galiteuthis pacifica (Robson, 1948)
Galiteuthis phyllura Berry, 1911
Galiteuthis suhmi (Hoyle, 1886)
Ganesa abyssicola Bush, 1897
Ganesa basistriata Jeffreys, 1883
Ganesa bithynoides Jeffreys, 1883
Ganesa bushae (Dall, 1927)
Ganesa conica (Dall, 1927)
Ganesa convexa Bush, 1897
Ganesa dalli Verrill, 1882
Ganesa depressa (Dall, 1927)
Ganesa diaphana Verrill, 1884
Ganesa limata (Dall, 1889)
Ganesa nitidiuscula Jeffreys, 1883
Ganesa ornata Verrill, 1884
Ganesa peterseni Friele, 1877
Ganesa ponsonbyi Dautzenberg and Fischer, 1879
Ganesa profunda Friele, 1879
Ganesa proxima Tryon, 1888
Ganesa pruinosa Jeffreys, 1883
Ganesa radiata Dall, 1927
Ganesa rugulosa G. O. Sars, 1878
Ganesa smithi
Ganesa spinulosa Bush, 1897
Ganesa striata Bush, 1897
Ganesa tenera Jeffreys, 1883
Ganesa turgida Odhner, 1912
Ganesa valvata (Dall, 1927)
Ganesa verrilli Tryon, 1888
Gari californica (Conrad, 1849)
Gari costulata
Gari depressa
Gari edentula (Gabb, 1869)
Gari fervensis
Gari fucata (Hinds, 1845)
Gari helenae Olsson, 1961
Gari maxima (Deshayes, 1855)
Gari regularis (Carpenter, 1864)
Gari tellinella (Lamarck, 1818)
Gastrochaena dubia Pennant, 1777
Gastrochaena hians (Gmelin, 1791)
Gastrochaena ovata G. B. Sowerby I, 1834
Gastrochaena stimpsoni Tryon, 1861
Gastrocopta abbreviata (Sterki, 1909)
Gastrocopta armifera (Say, 1821)
Gastrocopta ashmuni (Sterki, 1898)
Gastrocopta carnegiei (Sterki, 1916)
Gastrocopta clappi (Sterki, 1909)
Gastrocopta cochisensis (Pilsbry and Ferriss, 1910)
Gastrocopta contracta (Say, 1822)
Gastrocopta corticaria (Say, 1816)
Gastrocopta cristata (Pilsbry and Vanatta, 1900)
Gastrocopta dalliana (Sterki, 1898)
Gastrocopta holzingeri (Sterki, 1889)
Gastrocopta pellucida (Pfeiffer, 1841)
Gastrocopta pentodon (Say, 1822)
Gastrocopta pilsbryana (Sterki, 1890)
Gastrocopta procera (Gould, 1840)
Gastrocopta prototypus (Pilsbry, 1899)
Gastrocopta quadridens Pilsbry, 1916
Gastrocopta riograndensis (Pilsbry, 1916)
Gastrocopta riparia Pilsbry, 1916
Gastrocopta ruidosensis (Cockerell, 1899)
Gastrocopta rupicola (Say, 1821)
Gastrocopta servilis (Gould, 1843)
Gastrocopta similis (Sterki, 1909)
Gastrocopta sterkiana Pilsbry, 1917
Gastrocopta tappaniana (C. B. Adams, 1842)
Gastrodonta fonticula Wurtz, 1948
Gastrodonta interna (Say, 1822)
Gastropteron chacmol Gosliner, 1989
Gastropteron cinereum Dall, 1925
Gastropteron pacificum Bergh, 1893
Gastropteron rubrum (Rafinesque, 1814)
Gastropteron vespertilium Gosliner and Armes, 1984
Gaza fischeri Dall, 1889
Gaza superba (Dall, 1881)
Gaza watsoni (Dall, 1881)
Geitodoris complanata (A. E. Verrill, 1880)
Geitodoris heathi (MacFarland, 1905)
Geitodoris immunda Bergh, 1894
Geitodoris planata (Alder and Hancock, 1846)
Geitodoris pusae (Er. Marcus, 1955)
Gemma gemma (Totten, 1834)
Gemmula congener
Gemmula interpolata
Gemmula microscelida
Gemmula monilifera
Gemmula periscelida (Dall, 1889)
Genitoconia atriolonga Salvini-Plawen, 1967
Genitoconia mariensis Scheltema, 1997
Genitoconia rosea Salvini-Plawen, 1967
Gerdiella corbicula (Dall, 1908)
Germainaia geayi (Germain, 1911)
Geukensia demissa (Dillwyn, 1817)
Geukensia granosissima (G. B. Sowerby III, 1914)
Gibberula lavalleeana (d'Orbigny, 1842)
Gibberula subtrigona (Carpenter, 1864)
Gibbosula confragosa Frierson, 1928
Gibbosula crassa (Wood, 1815)
Gibbosula laosensis (Lea, 1863)
Gibbosula rochechouartii (Heude, 1875)
Gibbula cineraria
Gibbula magus (Linnaeus)
Gibbula monodonta
Gibbula pennanti
Gibbula tumida
Gibbula umbilicalis
Gillia altilis (Lea, 1841)
Glans carpenteri (Lamy, 1922)
Glans dominguensis (d'Orbigny, 1842)
Glans subquadrata (Carpenter, 1864)
Glaucus atlanticus Forster, 1777
Gleba cordata Niebuhr, 1776
Glebula rotundata (Lamarck, 1819)
Gliabates oregonius Webb, 1959
Globivenus callimorpha (Dall, 1902)
Globivenus fordi (Yates, 1890)
Globivenus foresti (Fischer-Piette and Testud, 1967)
Globivenus listeroides (Fischer-Piette and Testud, 1967)
Globivenus rigida (Dillwyn, 1817)
Globivenus rugatina (Heilprin, 1886)
Glossocardia agassizii (Dall, 1889)
Glossodoris acriba Marcus and Marcus, 1967
Glossodoris aegialia (Bergh, 1905)
Glossodoris agassizi (Bergh, 1894)
Glossodoris banksi (Farmer, 1963)
Glossodoris bayeri
Glossodoris edenticulata (White, 1952)
Glossodoris neona Marcus, 1955
Glossodoris norrisi (Farmer, 1963)
Glossodoris porterae (Cockerell, 1902)
Glossodoris sedna (Ev. Marcus and Er. Marcus, 1967)
Glossodoris sycilla (Bergh, 1890)
Glossodoris tura (Marcus and Marcus, 1967)
Glossodoris zebra
Glycymeris americana (DeFrance, 1829)
Glycymeris corteziana Dall, 1916
Glycymeris decussata (Linnaeus, 1758)
Glycymeris glycymeris (Linnaeus, 1758)
Glycymeris keenae Willett, 1944
Glycymeris pectinata (Gmelin, 1791)
Glycymeris septentrionalis (Middendorff, 1849)
Glycymeris spectralis Nicol, 1952
Glycymeris subobsoleta (Carpenter, 1864)
Glycymeris subtilis (Nicol, 1956)
Glycymeris undata (Linnaeus, 1758)
Glyphostoma adria Dall, 1919
Glyphostoma cymodoce Dall, 1919
Glyphostoma dentiferum Gabb, 1872
Glyphostoma elsae Bartsch, 1934
Glyphostoma gabbii Dall, 1889
Glyphostoma golfoyaquense Maury, 1917
Glyphostoma hesione (Dall, 1919)
Glyphostoma pilsbryi Schwengel, 1940
Glyphostomops hendersoni (Bartsch, 1934)
Glyphostomops oenoa (Bartsch, 1934)
Glyphoturris diminuta (C. B. Adams, 1850)
Glyphoturris eritima (Bush, 1885)
Glyphoturris quadrata (Reeve, 1845)
Glyphoturris rugirima (Dall, 1889)
Glyphyalinia carolinensis (Cockerell, 1890)
Glyphyalinia clingmani (Dall, 1890)
Glyphyalinia cryptomphala (G. H. Clapp, 1915)
Glyphyalinia cumberlandiana (G. H. Clapp, 1919)
Glyphyalinia floridana (Morrison, 1937)
Glyphyalinia indentata (Say, 1823)
Glyphyalinia junaluskana (Clench and Banks, 1932)
Glyphyalinia latebricola Hubricht, 1968
Glyphyalinia lewisiana (G. H. Clapp, 1908)
Glyphyalinia luticola Hubricht, 1966
Glyphyalinia ocoae Hubricht, 1978
Glyphyalinia pecki Hubricht, 1966
Glyphyalinia pentadelphia (Pilsbry, 1900)
Glyphyalinia picea Hubricht, 1976
Glyphyalinia praecox (H. B. Baker, 1930)
Glyphyalinia raderi (Dall, 1898)
Glyphyalinia rhoadsi (Pilsbry, 1899)
Glyphyalinia rimula Hubricht, 1968
Glyphyalinia roemeri (Pilsbry and Ferriss, 1906)
Glyphyalinia sculptilis (Bland, 1858)
Glyphyalinia specus Hubricht, 1965
Glyphyalinia umbilicata (Cockerell, 1893)
Glyphyalinia vanattai (Pilsbry and Walker, 1902)
Glyphyalinia virginica (Morrison, 1937)
Glyphyalinia wheatleyi (Bland, 1883)
Glyptaesopus proctorae (M. Smith, 1936)
Glyptostoma gabrielense Pilsbry, 1938
Glyptostoma newberryanum (W. G. Binney, 1858)
Godiva rubrolineata Edmunds, 1964
Gonatopsis borealis Sasaki, 1923
Gonatopsis japonica Okiyama, 1969
Gonatopsis makko Okutani and Nemoto, 1964
Gonatopsis octopedatus Sasaki, 1920
Gonatopsis okutanii Nesis, 1972
Gonatus antarcticus Lönnberg, 1898
Gonatus berryi Naef, 1923
Gonatus californiensis Young, 1972
Gonatus fabricii (Lichtenstein, 1818)
Gonatus kamtschaticus (Middendorff, 1849)
Gonatus madokai Kubodera and Okutani, 1977
Gonatus onyx Young, 1972
Gonatus oregonensis Jefferts, 1985
Gonatus pyros Young, 1972
Gonatus steenstrupi Kristensen, 1981
Gonatus ursabrunae Jefferts, 1985
Goniaeolis typica M. Sars, 1861
Gonidea angulata (Lea, 1838)
Goniodoris castanea Alder and Hancock, 1845
Goniodoris nodosa
Goodallia triangularis (Montagu, 1803)
Gouldia cerina (C. B. Adams, 1845)
Gouldia minima (Montagu, 1803)
Grandidieria burtoni (Woodward, 1859)
Graneledone antarctica Voss, 1976
Graneledone boreopacifica Nesis, 1982
Graneledone challengeri (Berry, 1916)
Graneledone macrotyla Voss, 1976
Graneledone verrucosa (Verrill, 1881)
Granotoma albrechti (Krause, 1885)
Granotoma krausei (Dall, 1886)
Granoturris presleyi Lyons, 1972
Granula sandwicensis (Pearse, 1860)
Granulina hadria (Dall, 1889)
Granulina margaritula (Carpenter, 1857)
Granulina ovuliformis (d'Orbigny, 1841)
Granulina vitrea
Graphis albida
Graphis underwoodae Bartsch, 1947
Graptacme calamus (Dall, 1889)
Graptacme eborea (Conrad, 1846)
Graptacme inversa (Deshayes, 1826)
Graptacme perlonga (Dall, 1881)
Graptacme semipolita (Broderip and G. B. Sowerby I, 1829)
Graptacme semistriolata (Guilding, 1834)
Graptacme semistriolatum (Guilding, 1834)
Gregariella chenui (Recluz, 1842)
Gregariella coarctata (Carpenter, 1857)
Gregariella coralliophaga (Gmelin, 1791)
Gregariella petagnae (Scacchi, 1832)
Gregariella semigranata (Reeve, 1858)
Greilada elegans
Grimalditeuthis bonplandi (Verany, 1839)
Grimpella thaumastocheir Robson, 1928
Grimpoteuthis albatrossi (Sasaki, 1920)
Grimpoteuthis antarctica Kubodera and Okutani, 1986
Grimpoteuthis bathynectes Voss and Pearcy, 1990
Grimpoteuthis bruuni Voss, 1982
Grimpoteuthis glacialis (Robson, 1930)
Grimpoteuthis hippocrepium (Hoyle, 1904)
Grimpoteuthis mawsoni (Berry, 1917)
Grimpoteuthis meangensis (Hoyle, 1885)
Grimpoteuthis megaptera (Verrill, 1885)
Grimpoteuthis pacifica (Hoyle, 1885)
Grimpoteuthis plena (Verrill, 1885)
Grimpoteuthis tuftsi Voss and Pearcy, 1990
Grimpoteuthis umbellata (Fischer, 1883)
Grimpoteuthis wulkeri (Grimpe, 1920)
Grippina californica Dall, 1912
Guppya gundlachi (Pfeiffer, 1839)
Guppya miamiensis Pilsbry, 1903
Guppya sterkii (Dall, 1888)
Gymnobela abyssorum (Locard, 1897)
Gymnobela agassizii (A. E. Verrill and S. Smith, 1880)
Gymnobela aquilarum (Watson, 1881)
Gymnobela emertoni (Verrill, 1884)
Gymnobela engonia Verrill, 1884
Gymnobela frielei Verrill, 1885
Gymnobela fulvocincta (Dautzenberg and Fischer, 1896)
Gymnobela phyxanor (Watson, 1886)
Gymnobela subaraneosa (Dautzenberg and Fischer, 1896)
Gymnomenia minuta Scheltema, 1997
Gymnomenia pellucida Odhner, 1921
Gymnotoplax citrina (Ruppell and Leuckart, 1828)
Gymnotoplax engeli (Gardiner, 1936)
Gymnotoplax quadridens
Gyraulus circumstriatus (Tryon, 1866)
Gyraulus crista (Linnaeus, 1758)
Gyraulus deflectus (Say, 1824)
Gyraulus hornensis F. C. Baker, 1934
Gyraulus parvus (Say, 1817)
Gyraulus vermicularis (Gould, 1847)
Gyrodes depressus
Gyrotoma excisa (Lea, 1843)
Gyrotoma lewisii (Lea, 1869)
Gyrotoma pagoda (Lea, 1845)
Gyrotoma pumila (Lea, 1860)
Gyrotoma pyramidata (Shuttleworth, 1845)
Gyrotoma walkeri (H. H. Smith, 1924)
Haasica balzani (Ihering, 1893)
Haasodonta fannyae (R. I. Johnson, 1948)
Haasodonta vanheurni McMichael & Hiscock, 1958
Habevolutopsius attenuatus (Dall, 1874)
Habevolutopsius hirasei (Pilsbry, 1907)
Haedropleura septangularis (Montagu, 1803)
Halgerda terramtuentis Bertsch and Johnson, 1982
Halicardia flexuosa (A. E. Verrill and S. Smith, 1881)
Halicardia perplicata (Dall, 1890)
Haliella stenostoma
Haliotinella patinaria (Guppy, 1876)
Haliotis alfredensis Bartsch, 1915
Haliotis asinina Linnaeus, 1758
Haliotis australis J.H. Gmelin, 1791
Haliotis brazieri Angas, 1869
Haliotis clathrata Reeve, 1846
Haliotis coccoradiata Reeve, 1846
Haliotis corrugata W. Wood, 1828
Haliotis cracherodii Leach, 1814
Haliotis cyclobates Péron, 1816
Haliotis dalli Henderson, 1915
Haliotis discus Reeve, 1846
Haliotis dissona (Iredale, 1929)
Haliotis diversicolor Reeve, 1846
Haliotis drogini Owen & Reitz in Geiger and Owen, 2012
Haliotis elegans Koch in Philippi, 1844
Haliotis fatui Geiger, 1999
Haliotis fulgens Philippi, 1845
Haliotis geigeri Owen, 2014
Haliotis gigantea J.H. Gmelin, 1791
Haliotis glabra J.H. Gmelin, 1791
Haliotis iris J.H. Gmelin, 1791
Haliotis jacnensis Reeve, 1846
Haliotis kamtschatkana Jonas, 1845
Haliotis laevigata Donovan, 1808
Haliotis madaka (Habe, 1977)
Haliotis mariae W. Wood, 1828
Haliotis marmorata Linnaeus, 1758
Haliotis melculus (Iredale, 1927)
Haliotis midae Linnaeus, 1758
Haliotis mykonosensis Owen, Hanavan & Hall, 2001
Haliotis ovina J.H. Gmelin, 1791
Haliotis parva Linnaeus, 1758
Haliotis planata Sowerby II, 1882
Haliotis pourtalesii Dall, 1881
Haliotis pulcherrima J.H. Gmelin, 1791
Haliotis queketti E.A. Smith, 1910
Haliotis roei J. Gray, 1826
Haliotis rubiginosa Reeve, 1846
Haliotis rubra Leach, 1814
Haliotis rufescens Swainson, 1822
Haliotis rugosa Lamarck, 1822
Haliotis scalaris (Leach, 1814)
Haliotis semiplicata Menke, 1843
Haliotis sorenseni Bartsch, 1940
Haliotis spadicea Donovan, 1808
Haliotis speciosa Reeve, 1846
Haliotis squamosa J. Gray, 1826
Haliotis stomatiaeformis Reeve, 1846
Haliotis supertexta Lischke, 1870
Haliotis thailandis Dekker & Patamakanthin, 2001
Haliotis tuberculata Linnaeus, 1758
Haliotis unilateralis Lamarck, 1822
Haliotis varia Linnaeus, 1758
Haliotis virginea J.H. Gmelin, 1791
Haliotis walallensis Stearns, 1899
Haliphron atlanticus Steenstrup, 1861
Haliris aequacostata (Howard, 1950)
Haliris fischeriana (Dall, 1881)
Halistrepta sulcata (Dall, 1904)
Halistylus columna (Dall, 1890)
Halistylus pupoides (Carpenter, 1864)
Halistylus pupoideus (Carpenter, 1864)
Hallaxa chani Gosliner and Williams, 1975
Haloceras trichotropoides Waren and Bouchet, 1991
Haloconcha minor Dall, 1919
Haloconcha refleza (Dall, 1884)
Halodakra brunnea (Dall, 1916)
Halodakra salmonea (Carpenter, 1864)
Halodakra subtrigona (Carpenter, 1857)
Haminoea antillarum (d'Orbigny, 1841)
Haminoea callidegenita Gibson and Chia, 1989
Haminoea crocata
Haminoea curta
Haminoea cymbalum
Haminoea elegans (J. E. Gray, 1825)
Haminoea galba
Haminoea hydatis (Linnaeus, 1758)
Haminoea navicula (Da Costa, 1778)
Haminoea petitii (d'Orbigny, 1841)
Haminoea solitaria (Say, 1822)
Haminoea succinea (Conrad, 1846)
Haminoea taylorae Petuch, 1987
Haminoea vesicula (Gould, 1855)
Haminoea virescens (G. B. Sowerby II, 1833)
Hamiota altilis (Conrad, 1834)
Hamiota australis (Simpson, 1900)
Hamiota perovalis (Conrad, 1834)
Hamiota subangulata (Lea, 1840)
Hancockia californica MacFarland, 1923
Hancockia ryrca Marcus, 1957
Hancockia uncinata (Hesse, 1872)
Hanleya dalli
Hanleya hanleyi (Bean, 1844)
Hanleya mendicaria
Hanleya nagelfar (Loven, 1842)
Hanleya tropicalis
Hanleyella asiatica Sirenko, 1973
Hanleyella oldroydi (Dall, 1919)
Hapalochlaena fasciata (Hoyle, 1886)
Hapalochlaena lunulata (Quoy and Gaimard, 1832)
Hapalochlaena maculosa (Hoyle, 1883)
Hapalochlaena nierstraszi (Adam, 1938)
Haplocochlias cyclophoreus Carpenter, 1864
Haplocochlias lucasensis (Strong, 1934)
Haplocochlias minutissima
Haplocochlias swifti Vanatta, 1913
Haplotrema alameda Pilsbry, 1930
Haplotrema caelatum (Mazyck, 1886)
Haplotrema catalinense (Hemphill, 1890)
Haplotrema concavum (Say, 1821)
Haplotrema continentis H. B. Baker, 1930
Haplotrema costatum A. G. Smith, 1957
Haplotrema duranti (Newcomb, 1864)
Haplotrema keepi (Hemphill, 1890)
Haplotrema kendeighi Webb, 1951
Haplotrema minimum (Ancey, 1888)
Haplotrema mokelumnense Roth, 1990
Haplotrema sportella (Gould, 1846)
Haplotrema transfuga (Hemphill, 1892)
Haplotrema vancouverense (I. Lea, 1839)
Haplotrema voyanum (Newcomb, 1864)
Harmandia somboriensis Rochebrune, 1882
Hastula cinerea (Born, 1778)
Hastula hastata (Gmelin, 1791)
Hastula maryleeae R. D. Burch, 1965
Hastula salleana (Deshayes, 1859)
Haumea juddi Dall, Bartsch, and Rehder, 1938
Haustellum anniae (M. Smith, 1940)
Haustellum bellegladeense (Vokes, 1963)
Haustellum cabritii (Bernardi, 1859)
Haustellum rubidum (F. C. Baker, 1897)
Haustellum tryoni (Hidalgo in Tryon, 1880)
Hawaiia alachuana (Dall, 1885)
Hawaiia minuscula (A. Binney, 1841)
Hawaiia neomexicana (Cockerell and Pilsbry, 1900)
Heathia porosa (Heath, 1911)
Hebetancylus excentricus (Morelet, 1851)
Hedylopsis brambelli
Hedylopsis loricata
Hedylopsis microhedyle
Hedylopsis rhopalotecta
Hedylopsis riseri M. P. Morse, 1976
Hedylopsis spiculifera
Hedylopsis suecica
Heilprinia lindae Petuch, 1987
Heilprinia timessa (Dall, 1889)
Helcion pectinata (Born, 1778)
Heleobia stagnorum (Gmelin, 1791)
Heleobops carrikeri Davis and McKee, 1989
Heleobops docimus F. G. Thompson, 1968
Heliacus bicanaliculatus (Valenciennes, 1832)
Heliacus bisulcatus (d'Orbigny, 1842)
Heliacus cylindricus (Gmelin, 1791)
Heliacus infundibuliformis (Gmelin, 1791)
Heliacus planispira Pilsbry and Lowe, 1932
Heliacus sigsbeei (Dall, 1889)
Helicella obvia (Menke, 1828)
Helicina clappi Pilsbry, 1909
Helicocranchia joubini (Voss, 1962)
Helicocranchia papillata (Voss, 1960)
Helicocranchia pfefferi Massy, 1907
Helicodiscus aldrichianus (G. H. Clapp, 1907)
Helicodiscus barri Hubricht, 1962
Helicodiscus bonamicus Hubricht, 1978
Helicodiscus diadema Grimm, 1967
Helicodiscus eigenmanni Pilsbry, 1900
Helicodiscus enneodon Hubricht, 1967
Helicodiscus fimbriatus Wetherby, 1881
Helicodiscus hadenoecus Hubricht, 1962
Helicodiscus hexodon Hubricht, 1966
Helicodiscus inermis H. B. Baker, 1929
Helicodiscus lirellus Hubricht, 1975
Helicodiscus multidens Hubricht, 1962
Helicodiscus notius Hubricht, 1962
Helicodiscus nummus (Vanatta, 1899)
Helicodiscus parallelus (Say, 1817)
Helicodiscus punctatellus Morrison, 1942
Helicodiscus salmonaceus Hemphill, 1890
Helicodiscus saludensis (Morrison, 1937)
Helicodiscus shimeki Hubricht, 1962
Helicodiscus singleyanus (Pilsbry, 1889)
Helicodiscus tridens (Morrison, 1935)
Helicodiscus triodus Hubricht, 1958
Helisoma anceps (Menke, 1830)
Helisoma minus (Cooper, 1870)
Helisoma newberryi (Lea, 1858)
Helix aperta Born, 1778
Helix aspersa Muller, 1774
Helix pomatia Linnaeus, 1758
Helminthoglypta allyniana (S. S. Berry, 1920)
Helminthoglypta allynsmithi Pilsbry, 1939
Helminthoglypta arrosa (W. G. Binney, 1858)
Helminthoglypta avus (Bartsch, 1916)
Helminthoglypta ayresiana (Newcomb, 1861)
Helminthoglypta benitoensis Lowe, 1930
Helminthoglypta berryi Hanna, 1929
Helminthoglypta californiensis (I. Lea, 1838)
Helminthoglypta callistoderma Pilsbry, 1917
Helminthoglypta carpenteri (Newcomb, 1861)
Helminthoglypta caruthersi Willett, 1934
Helminthoglypta coelata (Bartsch, 1916)
Helminthoglypta concolor Roth and Hochberg, 1988
Helminthoglypta contracostae (Pilsbry, 1895)
Helminthoglypta crotalina S. S. Berry, 1928
Helminthoglypta cuyama Hanna and A. G. Smith, 1937
Helminthoglypta cuyamacensis (Bartsch, 1895)
Helminthoglypta cypreophila (W. G. Binney and Bland, 1869)
Helminthoglypta diabloensis (J. G. Cooper, 1869)
Helminthoglypta dupetithouarsii (Deshayes, 1840)
Helminthoglypta edwardsi Gregg and W. B. Miller, 1976
Helminthoglypta euomphalodes S. S. Berry, 1938
Helminthoglypta exarata (Pfeiffer, 1857)
Helminthoglypta expansilabris (Pilsbry, 1898)
Helminthoglypta fairbanksi Reeder and W. B. Miller, 1986
Helminthoglypta ferrissi Pilsbry, 1924
Helminthoglypta fieldi Pilsbry, 1930
Helminthoglypta fisheri (Bartsch, 1904)
Helminthoglypta fontiphila Gregg, 1931
Helminthoglypta graniticola S. S. Berry, 1926
Helminthoglypta greggi Willett, 1931
Helminthoglypta hertleini Hanna and A. G. Smith, 1937
Helminthoglypta inglesi S. S. Berry, 1938
Helminthoglypta isabella S. S. Berry, 1938
Helminthoglypta jaegeri S. S. Berry, 1928
Helminthoglypta liodoma S. S. Berry, 1938
Helminthoglypta mailliardi Pilsbry, 1927
Helminthoglypta micrometalleoides W. B. Miller, 1970
Helminthoglypta milleri Reeder, 1986
Helminthoglypta mohaveana S. S. Berry, 1927
Helminthoglypta montezuma Reeder and W. B. Miller, 1986
Helminthoglypta napaea S. S. Berry, 1938
Helminthoglypta nickliniana (I. Lea, 1838)
Helminthoglypta orina S. S. Berry, 1938
Helminthoglypta petricola (S. S. Berry, 1916)
Helminthoglypta phlyctaena (Bartsch, 1916)
Helminthoglypta piutensis Willett, 1938
Helminthoglypta proles (Hemphill, 1892)
Helminthoglypta reediana Willett, 1932
Helminthoglypta salviae Roth, 1987
Helminthoglypta sanctaecrucis Pilsbry, 1927
Helminthoglypta sequoicola (J. G. Cooper, 1866)
Helminthoglypta similans Hanna and A. G. Smith, 1937
Helminthoglypta sonoma Pilsbry, 1937
Helminthoglypta stageri Willett, 1938
Helminthoglypta stiversiana (J. G. Cooper, 1876)
Helminthoglypta talmadgei Roth, 1988
Helminthoglypta taylori Reeder and Roth, 1988
Helminthoglypta tejonis S. S. Berry, 1930
Helminthoglypta thermimontis S. S. Berry, 1953
Helminthoglypta traskii (Newcomb, 1861)
Helminthoglypta tudiculata (A. Binney, 1843)
Helminthoglypta tularensis (Hemphill, 1892)
Helminthoglypta umbilicata (Pilsbry, 1898)
Helminthoglypta uvasana Roth and Hochberg, 1992
Helminthoglypta vasquezi Roth and Hochberg, 1992
Helminthoglypta venturensis (Bartsch, 1916)
Helminthoglypta walkeriana (Hemphill, 1911)
Helminthoglypta waltoni Gregg and W. B. Miller, 1976
Helminthoglypta willetti (S. S. Berry, 1920)
Helminthope psammobionta Salvini-Plawen, 1991
Hemiarthrum setulosum Carpenter in Dall, 1876
Hemistena lata (Rafinesque, 1820)
Hemitoma australis (Quoy and Gaimard, 1832)
Hemitoma bella Gabb, 1865
Hemitoma emarginata (de Blainville, 1825)
Hemitoma golischae Dall, 1916
Hemitoma hermosa Lowe, 1935
Hemitoma natlandi Durham, 1950
Hemitoma octoradiata (Gmelin, 1791)
Hemitoma ostheinerae
Hemitrochus varians (Menke, 1829)
Hemphillia burringtoni Pilsbry, 1948
Hemphillia camelus Pilsbry and Vanatta, 1897
Hemphillia danielsi Vanatta, 1914
Hemphillia dromedarius Branson, 1972
Hemphillia glandulosa Bland and W. G. Binney, 1872
Hemphillia malonei Pilsbry, 1917
Hemphillia pantherina Branson, 1975
Hendersonia occulta (Say, 1831)
Henrya goldmani (Bartsch, 1947)
Henrya henryi Bartsch, 1947
Henrya morrisoni Bartsch, 1947
Here excavata (Carpenter, 1857)
Here ricthofeni (Gabb, 1866)
Hermaea bifida (Montagu, 1815)
Hermaea cruciata Gould, 1870
Hermaea dendritica (Alder and Hancock, 1843)
Hermaea hillae Marcus and Marcus, 1967
Hermaea kingstoni (T. E. Thompson, 1977)
Hermaea olivae Mcfarland, 1966
Hermaea vancouverensis O'Donoghue, 1924
Hermaea verticilata (Ortea, 1984)
Hermaeopsis variopicta A. Costa, 1869
Hermissenda crassicornis (Eschscholtz, 1831)
Hero formosa
Herpeteros angelus (Gregg, 1949)
Herviera gliriella
Herviera patricia
Hesperarion hemphilli (W. G. Binney, 1875)
Hesperarion mariae Branson, 1991
Hesperarion niger (J. G. Cooper, 1872)
Hespererato columbella (Menke, 1847)
Hespererato maugeriae (J. E. Gray, 1832)
Hespererato vitellina (Hinds, 1844)
Heteranomia squamula (Linnaeus, 1758)
Heterodonax bimaculatus (Linnaeus, 1758)
Heterodonax pacificus (Conrad, 1837)
Heterodoris robusta A. E. Verrill and Emerton, 1882
Heteroschismoides subterfissus (Jeffreys, 1877)
Heteroteuthis dagamensis Robson, 1924
Heteroteuthis dispar (Rüppell, 1844)
Heteroteuthis hawaiiensis (Berry, 1909)
Heteroteuthis weberi Joubin, 1902
Hexabranchus morsomus Marcus and Marcus, 1962
Hexaplex fulvescens (G. B. Sowerby II, 1834)
Hiatella arctica (Linnaeus, 1767)
Hiatella azaria (Dall, 1881)
Hiatella glaciana
Hiatella pholadis (Linnaeus, 1771)
Hiatella striata Fleuriau, 1802
Hindsiclava alesidota (Dall, 1889)
Hindsiclava macilenta (Dall, 1889)
Hinea lineata (E. M. da Costa, 1778)
Hinemoa indica
Hinnites multirugosus (Gale, 1928)
Hipponix antiquatus (Linnaeus, 1767)
Hipponix cranioides Carpenter, 1864
Hipponix grayanus
Hipponix imbricatus
Hipponix pilosus
Hipponix subrufus (Lamarck, 1819)
Hipponix tumens Carpenter, 1864
Histioteuthis arcturi (Robson, 1948)
Histioteuthis atlantica (Hoyle, 1885)
Histioteuthis bonnellii (Férussac, 1834)
Histioteuthis celetaria (Voss, 1960)
Histioteuthis corona (Voss and Voss, 1962)
Histioteuthis eltaninae Voss, 1969
Histioteuthis heteropsis (Berry, 1913)
Histioteuthis hoylei (Goodrich, 1896)
Histioteuthis macrohista Voss, 1969
Histioteuthis meleagroteuthis (Chun, 1910)
Histioteuthis miranda (Berry, 1918)
Histioteuthis oceani (Robson, 1948)
Histioteuthis reversa (Verrill, 1880)
Hochbergellus hirsutus Roth and W. B. Miller, 1992
Hojeda inaguensis (Weinland, 1880)
Holospira arizonensis Stearns, 1890
Holospira bilamellata Dall, 1895
Holospira campestris Pilsbry and Ferriss, 1915
Holospira chiricahuana Pilsbry, 1905
Holospira cionella Pilsbry, 1905
Holospira cockerelli Dall, 1897
Holospira crossei Dall, 1895
Holospira danielsi Pilsbry and Ferriss, 1915
Holospira ferrissi Pilsbry, 1905
Holospira goldfussi (Menke, 1847)
Holospira hamiltoni Dall, 1897
Holospira mesolia Pilsbry, 1912
Holospira metcalfi F. G. Thompson, 1974
Holospira millestriata Pilsbry and Ferriss, 1915
Holospira montivaga Pilsbry, 1946
Holospira oritis Pilsbry and Cheatum, 1951
Holospira pasonis Dall, 1895
Holospira pityis Pilsbry and Cheatum, 1951
Holospira regis Pilsbry and Cockerell, 1905
Holospira riograndensis Pilsbry, 1946
Holospira sherbrookei Gilbertson, 1989
Holospira tantalus Bartsch, 1906
Holospira whetstonensis Pilsbry and Ferriss, 1923
Holospira yucatanensis Bartsch, 1906
Holsingeria unthanksensis Hershler, 1989
Homalopoma albidum (Dall, 1881)
Homalopoma baculum (Carpenter, 1864)
Homalopoma berryi J. H. McLean, 1964
Homalopoma carpenteri Pilsbry, 1888
Homalopoma cordellensis J. H. McLean, 1996
Homalopoma draperi J. H. McLean, 1984
Homalopoma engbergi (Willett, 1929)
Homalopoma grippi (Dall, 1911)
Homalopoma indutum (Watson, 1879)
Homalopoma juanensis (Dall, 1919)
Homalopoma lacunatum (Carpenter, 1864)
Homalopoma luridum (Dall, 1885)
Homalopoma mimicum LaFollette, 1976
Homalopoma panamense (Dall, 1908)
Homalopoma paucicostatum (Dall, 1871)
Homalopoma peloritanum (Cantraine, 1835)
Homalopoma philipiana (Dall, 1889)
Homalopoma radiatum (Dall, 1918)
Homalopoma sanguineus (Linnaeus, 1758)
Homalopoma subobsoletum Willett, 1937
Hopkinsia rosacea MacFarland, 1905
Horologica pupa (Dall and Simpson, 1901)
Houbricka incisa (Bush, 1899)
Hoyia sheldoni (Pilsbry, 1890)
Humboldtiana agavophila Pratt, 1971
Humboldtiana cheatumi Pilsbry, 1935
Humboldtiana chisosensis Pilsbry, 1927
Humboldtiana edithae Parodiz, 1954
Humboldtiana ferrissiana Pilsbry, 1928
Humboldtiana fullingtoni Cheatum, 1972
Humboldtiana hoegiana (von Martens, 1892)
Humboldtiana palmeri Clench and Rehder, 1930
Humboldtiana texana Pilsbry, 1927
Humboldtiana ultima Pilsbry, 1927
Humilaria kennerleyi (Reeve, 1863)
Huttonella bicolor (Hutton, 1834)
Huxleyia munita (Dall, 1898)
Hyalina cineracea (Dall, 1889)
Hyalina gracilis (C. B. Adams, 1851)
Hyalina lactea (Kiener, 1841)
Hyalina nitida (Hinds, 1844)
Hyalina pallida (Linnaeus, 1758)
Hyalina styria Dall, 1889
Hyalocylis striata (Rang, 1828)
Hyalopecten biscayensis (Locard, 1886)
Hyalopecten dilectus (Verrill and Bush, 1897)
Hyalopecten eucymatus (Dall, 1898)
Hyalopecten frigidus (Jensen, 1912)
Hyalopecten parvulinus (Locard, 1897)
Hyalopecten undatus (A. E. Verrill and S. Smith, 1885)
Hyaloteuthis pelagica (Bosc, 1802)
Hydatina physis (Linnaeus, 1758)
Hydrobia acuta (Draparnaud, 1805)
Hydrocena cattaroense (Pfeiffer, 1841)
Hydromyles globulosus (Rang, 1825)
Hypermastus randolphi (Vanatta, 1900)
Hypselodoris bayeri (Ev. Marcus and Er. Marcus, 1967)
Hypselodoris californiensis (Bergh, 1879)
Hypselodoris edenticulata (White, 1952)
Hypselodoris sycilla (Bergh, 1890)
Hypselodoris webbi (d'Orbigny, 1839)
Hyridella australis (Lamarck, 1819)
Hyridella depressa (Lamarck, 1819)
Hyridella drapeta (Iredale, 1934)
Hyridella glenelgensis (Dennant, 1898)
Hyridella guppyi (E.A. Smith, 1885)
Hyridella misoolensis (Schepman, 1897)
Hyridella narracanensis (Cotton & Gabriel, 1932)
Hyriopsis bialata Simpson, 1900
Hyriopsis delaportei (Crosse & Fischer, 1876)
Hyriopsis desowitzi Brandt, 1974
Hyriopsis khoratensis Pfeiffer, Graf, Cummings & Page, 2021
Hyriopsis kratiensis Pfeiffer, Graf, Cummings & Page, 2021
Hyriopsis myersiana (Lea, 1856)
Hyriopsis panhai Jeratthitikul, Paphatmethin, Zieritz, Lopes-Lima & Ngor, 2021
Hyriopsis phuphaniensis Pfeiffer, Graf, Cummings & Page, 2021
Hyriopsis sakhonensis Pfeiffer, Graf, Cummings & Page, 2021
Hyriopsis velthuizeni (Schepman, 1896)
Idaholanx fresti Clark, Campbell and Lydeard, 2017
Idasola argentea (Jeffreys, 1876)
Idioctopus gracilipes Taki, 1962
Idiosepius biserialis Voss, 1962
Idiosepius macrocheir Voss, 1962
Idiosepius minimus (D'Orbigny, 1835 in Férussac and D'Orbigny, 1834-1848)
Idiosepius notoides Berry, 1921
Idiosepius paradoxus (Ortmann, 1888)
Idiosepius picteti (Joubin, 1894)
Idiosepius pygmaeus Steenstrup, 1881
Idiosepius thailandicus Chotiyaputta, C., T. Okutani, and S. Chaitiamvong, 1991
Idioteuthis cordiformis (Chun, 1908)
Idioteuthis danae (Joubin, 1933)
Idioteuthis famelica (Berry, 1909)
Idioteuthis hjorti (Chun, 1913)
Idioteuthis latipinna Sasaki, 1916
Idioteuthis okutanii Salcedo-Vargas, 1997
Idioteuthis tyroi Salcedo-Vargas, 1997
Iheringella isocardioides (Lea, 1856)
Iheringella semisulcata (H. Adams, 1870)
Illex argentinus (Castellanos, 1960)
Illex coindetii (Verany, 1839)
Illex illecebrosus (Lesueur, 1821)
Illex oxygonius Roper, Lu and Mangold, 1969
Indochinella pugio (Benson, 1862)
Indonaia andersoniana (Nevill, 1877)
Indonaia bonneaudii (Eydoux, 1838)
Indonaia caerulea (Lea, 1831)
Indonaia cylindrica (Annandale & Prashad, 1919)
Indonaia gratiosa (Philippi, 1843)
Indonaia involuta (Hanley, 1856)
Indonaia olivaria (Lea, 1831)
Indonaia rugosa (Gmelin, 1791)
Indonaia shurtleffiana (Lea, 1856)
Indonaia subclathrata (Martens, 1899)
Indonaia substriata (Lea, 1856)
Indonaia theobaldi (Preston, 1912)
Indopseudodon bogani (Bolotov, Kondakov & Konopleva in Bolotov et al., 2017)
Indopseudodon crebristriatus (J. G. Anthony, 1865)
Indopseudodon indawgyiensis Bolotov, Konopleva, Kondakov & Vikhrev, 2023
Indopseudodon kayinensis (Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020)
Indopseudodon salwenianus (Gould, 1844)
Inflectarius approximans (G. H. Clapp, 1905)
Inflectarius downieanus (Bland, 1861)
Inflectarius edentatus (Sampson, 1889)
Inflectarius ferrissi (Pilsbry, 1897)
Inflectarius inflectus (Say, 1821)
Inflectarius kalmianus (Hubricht, 1965)
Inflectarius magazinensis (Pilsbry and Ferriss, 1907)
Inflectarius rugeli (Shuttleworth, 1852)
Inflectarius smithi (G. H. Clapp, 1905)
Inflectarius subpalliatus (Pilsbry, 1893)
Inflectarius verus (Hubricht, 1954)
Iniforis turristhomae (Holten, 1802)
Inioteuthis capensis Voss, 1962
Inioteuthis japonica (Tilesius, 1845 in Férussac and D'Orbigny, 1834-1848)
Inioteuthis maculosa Goodrich, 1896
Inodrillia acova Bartsch, 1943
Inodrillia aepynota (Dall, 1889)
Inodrillia amblytera (Bush, 1893)
Inodrillia avira Bartsch, 1943
Inodrillia carpenteri (A. E. Verrill and S. Smith, 1880
Inodrillia dalli (A. E. Verrill and S. Smith, 1882)
Inodrillia dido Bartsch, 1943
Inodrillia gibba Bartsch, 1943
Inodrillia hatterasensis Bartsch, 1943
Inodrillia hesperia Bartsch, 1943
Inodrillia hilda Bartsch, 1943
Inodrillia ino Bartsch, 1943
Inodrillia martha Bartsch, 1943
Inodrillia miamia Bartsch, 1943
Inodrillia nucleata (Dall, 1881)
Inodrillia vetula Bartsch, 1943
Inversidens brandtii (Kobelt, 1879)
Inversidens pantoensis (Neumayr, 1899)
Inversidens rentianensis Wu & Wu in Wu et al., 2021
Inversiunio jokohamensis (Ihering, 1893)
Inversiunio reinianus (Kobelt, 1879)
Inversiunio verrucosus Kondo, Hyun & Seung-Ho, 2007
Inversiunio yanagawensis (Kondo, 1982)
Io fluvialis (Say, 1825)
Iothia fulva (O. F. Mueller, 1776)
Iothia lindbergi J. H. McLean, 1985
Iphigenia brasiliana (Lamarck, 1818)
Iphitus robertsi Sabelli and Taviani, 1997
Ipnobius robustus (Hershler, 1989)
Iredalea pupoidea
Iredalea pygmaea
Iredalea victor
Irenosyrinx hypomela (Dall, 1889)
Iridoteuthis iris (Berry, 1909)
Iridoteuthis maoria Dell, 1959
Irus irus Schmidt, 1818
Irusella lamellifera (Conrad, 1837)
Ischadium recurvum (Rafinesque, 1820)
Ischnochiton abyssicola
Ischnochiton alascensis Thiele, 1910
Ischnochiton albus (Linnaeus, 1767)
Ischnochiton dilatosculptus Kaas, 1982
Ischnochiton erythronotus (C. B. Adams, 1845)
Ischnochiton exaratus (G. O. Sars, 1878)
Ischnochiton floridanus
Ischnochiton hartmeyeri Thiele, 1910
Ischnochiton lividus
Ischnochiton newcombi Pilsbry, 1892
Ischnochiton niveus Ferreira, 1987
Ischnochiton papillosus (C. B. Adams, 1845)
Ischnochiton pectinatus
Ischnochiton pseudovirgatus Kaas, 1972
Ischnochiton purpurascens
Ischnochiton retiporosus
Ischnochiton ritteri
Ischnochiton ruber
Ischnochiton scrobiculatus (Middendorff, 1847)
Ischnochiton striolatus (J. E. Gray, 1828)
Iselica anomala (C. B. Adams, 1850)
Iselica obtusa (Carpenter, 1864)
Iselica ovoidea (Gould, 1853)
Isognomon alatus (Gmelin, 1791)
Isognomon bicolor (C. B. Adams, 1845)
Isognomon janus Carpenter, 1857
Isognomon radiatus (Anton, 1839)
Isognomon recognitus (Mabille, 1895)
Isomonia alberti (Dautzenberg and Fischer, 1896)
Isorobitella trigonalis (Carpenter, 1857)
Isselia hiloensis
Ithycythara auberiana (d'Orbigny, 1842)
Ithycythara cymella (Dall, 1889)
Ithycythara lanceolata (C. B. Adams, 1850)
Ithycythara parkeri Abbott, 1958
Ithycythara pentagonalis (Reeve, 1845)
Ithycythara psila (Bush, 1885)
Ividella navisa (Dall and Bartsch, 1907)
Ividia abbotti (Olsson and McGinty, 1958)
Ividia havanensis (Pilsbry and Aguayo, 1933)
Janolus barbarensis (J. G. Cooper, 1863)
Janolus comis Er. Marcus, 1955
Janolus cristatus (delle Chiaje, 1841)
Janolus fuscus O'Donohue, 1924
Janolus hyalinus (Alder and Hancock, 1854)
Janolus mucloc (Er. Marcus, 1958)
Janthina exigua Lamarck, 1816
Janthina globosa Swainson, 1822
Janthina janthina (Linnaeus, 1758)
Janthina pallida W. Thompson, 1840
Japetella diaphana Hoyle, 1885
Japetella heathi (Berry, 1911)
Japonactaeon pusillus (Forbes, 1843)
Jaspidella blanesi (Ford, 1898)
Jaspidella jaspidea (Gmelin, 1791)
Jaspidella miris Olsson, 1956
Jorunna pardus Behrens and R. Henderson, 1981
Jorunna tomentosa (Cuvier, 1804)
Jouannetia quillingi Turner, 1955
Joubiniteuthis portieri (Joubin, 1916)
Juga acutifilosa (Stearns, 1890)
Juga bulbosa (Gould, 1847)
Juga chacei (Henderson, 1935)
Juga hemphilli (J. Henderson, 1935)
Juga interioris (Goodrich, 1944)
Juga laurae (Goodrich, 1944)
Juga newberryi (Lea, 1860)
Juga nigrina (Lea, 1856)
Juga occata (Hinds, 1844)
Juga plicifera (Lea, 1838)
Juga shastaensis (Lea, 1856)
Juga silicula (Gould, 1847)
Jujubinus exasperatus (Pennant, 1777)
Jujubinus miliaris (Brocchi, 1814)
Jujubinus montagui (W. Wood, 1828)
Jujubinus striatus (Linnaeus, 1758)
Juliacorbula cubaniana (d'Orbigny, 1842)
Juliacorbula luteola (Carpenter, 1864)
Juturnia kosteri (Taylor, 1987)
Juturnia tularosae Hershler, Liu and Stockwell, 2002
Juvenichiton deplanatus (Sirenko, 1975)
Juvenichiton grandispina (Sirenko, 1975)
Juvenichiton saccharinus (Dall, 1878)
Kaiparapelta askewi J. H. McLean and Harasewych, 1995
Kaloplocamus ramosus (Cantraine, 1835)
Kaloplocamus verrilli Martynov, 2002
Katharina tunicata (W. Wood, 1815)
Kelletia kelletii (Forbes, 1850)
Kellia cycladea S. V. Wood, 1844
Kellia suborbicularis (Montagu, 1803)
Kelliella galatheae
Kelliella miliaris (Philippi, 1844)
Kelliella nitida
Kermia brunnea
Kermia cylindrica
Kermia daedalea
Kermia producta
Kermia pumilia
Khairuloconcha lunbawangorum Zieritz, Rahim, Taha & Pfeiffer in Zieritz et al., 2021
Khairuloconcha sahanae Zieritz, Jainih & Lopes-Lima in Zieritz et al., 2021
Kleinella cedrosa (Dall, 1884)
Koloonella hawaiiensis
Kondakovia longimana Filippova, 1972
Koreosolenaia sitgyensis Lee, Kim, Lopes-Lima & Bogan in Lopes-Lima et al., 2020
Kryptos koehleri (Locard, 1896)
Kurtzia arteaga (Dall and Bartsch, 1910)
Kurtziella accincta (Montagu, 1808)
Kurtziella atrostyla (Tryon, 1884)
Kurtziella beta (Dall, 1919)
Kurtziella cerina (Kurtz and Stimpson, 1851)
Kurtziella citronella (Dall, 1886)
Kurtziella diomedea Bartsch and Rehder, 1939
Kurtziella dorvilliae (Reeve, 1845)
Kurtziella limonitella (Dall, 1884)
Kurtziella newcombei (Dall, 1919)
Kurtziella perryae Bartsch and Rehder, 1939
Kurtziella plumbea (Hinds, 1843)
Kurtziella rubella (Kurtz and Stimpson, 1851)
Kurtziella serga (Dall, 1881)
Kurtziella variegata (Carpenter, 1864)
Kurtzina beta (Dall, 1919)
Kylix halocydne (Dall, 1919)
Lacteoluna selenina (Gould, 1848)
Lacuna carinata Gould, 1848
Lacuna crassior (Montagu, 1803)
Lacuna marmorata Dall, 1919
Lacuna neritoidea Gould, 1840
Lacuna pallidula (E. M. da Costa, 1778)
Lacuna parva (E. M. da Costa, 1778)
Lacuna porrecta Carpenter, 1864
Lacuna succinea S. S. Berry, 1953
Lacuna unifasciata Carpenter, 1856
Lacuna vaginata (Dall, 1918)
Lacuna variegata Carpenter, 1864
Lacuna vincta (Montagu, 1803)
Laemodonta cubensis (Pfeiffer, 1854)
Laevapex fuscus (C. B. Adams, 1841)
Laevicardium crassum
Laevicardium elatum (G. B. Sowerby I, 1833)
Laevicardium laevigatum (Linnaeus, 1758)
Laevicardium mortoni (Conrad, 1830)
Laevicardium pictum (Ravenel, 1861)
Laevicardium substriatum (Conrad, 1837)
Laevicardium sybariticum (Dall, 1886)
Laevicaulis alte (Ferussac, 1821)
Laevichlamys multisquamata (Dunker, 1864)
Laevicordia horrida Allen and Turner, 1974
Laevidentalium callipeplum (Dall, 1889)
Laevidentalium caudani (Locard, 1886)
Laevidentalium didymum (Watson, 1879)
Laevidentalium incertum (Deshayes, 1825)
Laevidentalium rectius (Carpenter, 1864)
Laevinesta atlantica (Perez Farfante, 1947)
Laevipilina hyalina J. H. McLean, 1979
Laila cockerelli MacFarland, 1905
Lamellaria diegoensis Dall, 1885
Lamellaria digueti Rochebrune, 1895
Lamellaria koto Schwengel, 1944
Lamellaria latens
Lamellaria leucosphaera Schwengel, 1942
Lamellaria pellucida Verrill, 1880
Lamellaria perspicua (Linnaeus, 1758)
Lamellaria rhombica Dall, 1871
Lamellaria stearnsii (Dall, 1871)
Lamellaxis clavulinus (Potiez and Michaud, 1838)
Lamellaxis gracilis (Hutton, 1834)
Lamellaxis mauritianus (Pfeiffer, 1952)
Lamellaxis micra (d'Orbigny, 1835)
Lamellidens candaharicus (Hutton, 1849)
Lamellidens chindwinensis Bolotov, Konopleva, Chan, Lunn, Win, Gofarov, Kondakov, Tomilova & Vikhrev, 2022
Lamellidens corrianus (Lea, 1834)
Lamellidens ferrugineus (Annandale, 1918)
Lamellidens friersoni (Simpson, 1914)
Lamellidens generosus (Gould, 1847)
Lamellidens jenkinsianus (Benson, 1862)
Lamellidens lamellatus (Lea, 1838)
Lamellidens mainwaringi Preston, 1912
Lamellidens marginalis (Lamarck, 1819)
Lamellidens nongyangensis Preston, 1912
Lamellidens savadiensis (Nevill, 1877)
Lamellidens unioides Nesemann & Sharma in Nesemann et al., 2007
Lamellidoris aspera Alder and Henderson, 1842
Lamellidoris diademata (Gould, 1870)
Lamellidoris diaphana Adler and Hancock, 1845
Lamellidoris fusca (Muller, 1776)
Lamellidoris grisea (Gould, 1870)
Lamellidoris muricata (Muller, 1776)
Lamellidoris oblongata
Lamellidoris pusilla
Lamellidoris tenella (Gould, 1870)
Lamellidoris varians
Lamellitrochus carinatus Quinn, 1991
Lamellitrochus inceratus Quinn, 1991
Lamellitrochus lamellosus (A. E. Verrill and S. Smith, 1880)
Lametila abyssorum
Lampadioteuthis megaleia Berry, 1916
Lampeia adamsi (MacGinitie, 1959)
Lamproscapha ensiformis (Spix & Wagner, 1827)
Lamproscapha falsa (Simpson, 1900)
Lamprotula bazini (Heude, 1877)
Lamprotula blaisei (Dautzenberg & Fischer, 1905)
Lamprotula caveata (Heude, 1877)
Lamprotula chiai Chow, 1958
Lamprotula cornuumlunae (Heude, 1883)
Lamprotula divergens (Benson in Cantor, 1842)
Lamprotula elongata Liu, Zhang & Wang, 1980
Lamprotula kouangensis (Simpson, 1900)
Lamprotula leaii (Griffith & Pidgeon, 1833)
Lamprotula linae Zhuang & Jing, 2013
Lamprotula microsticta (Heude, 1877)
Lamprotula nanningensis (Qian, Fang & He, 2015)
Lamprotula paschalis (Heude, 1883)
Lamprotula plumbea (Chemnitz, 1795)
Lamprotula salaputium (Martens, 1902)
Lamprotula seomjinensis (Kondo, Hyun & Seung-Ho, 2007)
Lamprotula triclava (Heude, 1877)
Lampsilis abrupta (Say, 1831)
Lampsilis bergmanni Inoue & Randklev, 2020
Lampsilis binominata Simpson, 1900
Lampsilis bracteata (Gould, 1855)
Lampsilis brittsi Simpson, 1900
Lampsilis cardium Rafinesque, 1820
Lampsilis cariosa (Say, 1817)
Lampsilis dolabraeformis (Lea, 1838)
Lampsilis fasciola Rafinesque, 1820
Lampsilis floridensis (Lea, 1852)
Lampsilis higginsii (Lea, 1857)
Lampsilis hydiana (Lea, 1838)
Lampsilis ornata (Conrad, 1835)
Lampsilis ovata (Say, 1817)
Lampsilis powellii (Lea, 1852)
Lampsilis radiata (Gmelin, 1791)
Lampsilis rafinesqueana Frierson, 1927
Lampsilis reeveiana (Lea, 1852)
Lampsilis satura (Lea, 1852)
Lampsilis sietmani Keogh & Simons, 2019
Lampsilis siliquoidea (Barnes, 1823)
Lampsilis splendida (Lea, 1838)
Lampsilis straminea (Conrad, 1834)
Lampsilis streckeri Frierson, 1927
Lampsilis teres (Rafinesque, 1820)
Lampsilis virescens (Lea, 1858)
Lanceolaria acrorrhyncha (Martens, 1894)
Lanceolaria bilirata (Martens, 1902)
Lanceolaria cylindrica (Simpson, 1900)
Lanceolaria eucylindrica Lin, 1962
Lanceolaria fruhstorferi (Dautzenberg, 1900)
Lanceolaria gladiola (Heude, 1877)
Lanceolaria grayii (Griffith & Pidgeon, 1833)
Lanceolaria kihirai Kondo & Hattori, 2019
Lanceolaria laevis (Martens, 1902)
Lanceolaria lanceolata (Lea, 1856)
Lanceolaria oxyrhyncha (Martens, 1861)
Lanceolaria triformis (Heude, 1877)
Lanceolaria yueyingae Zhuang & Jing, 2013
Lanx alta (Tryon, 1865)
Lanx patelloides (Lea, 1856)
Lapinura divae (Ev. Marcus and Er. Marcus, 1963)
Lasaea adansoni (Gmelin, 1791)
Lasaea cistula Keen, 1938
Lasaea rubra (Montagu, 1803)
Lasaea subviridis Dall, 1899
Lasmigona alabamensis Clarke, 1985
Lasmigona complanata (Barnes, 1823)
Lasmigona compressa (Lea, 1829)
Lasmigona costata (Rafinesque, 1820)
Lasmigona decorata (Lea, 1852)
Lasmigona holstonia (Lea, 1838)
Lasmigona subviridis (Conrad, 1835)
Latiaxis babelis (Requien, 1849)
Latiaxis costatus (Blainville, 1832)
Latiaxis dalli (Emerson and D'Attilio, 1963)
Latiaxis juliae Clench and Aquayo, 1939
Latiaxis kincaidi Dall, 1919
Latiaxis mansfieldi (McGinty, 1940)
Latirus angulatus (Roding, 1798)
Latirus carinifer Lamarck, 1822
Latirus infundibulum (Gmelin, 1791)
Latirus nematus Woodring, 1928
Laurentiphysa chippevarum Taylor, 2003
Leachia atlantica (Degner, 1925)
Leachia cyclura Lesueur, 1821
Leachia ellipsoptera (Adams and Reeve, 1848)
Leachia pacifica (Issel, 1908)
Leachia rynchophorus (Rochebrune, 1884)
Learchis poica Ev. Marcus and Er. Marcus, 1960
Leaunio lienosus (Conrad, 1834)
Leaunio ortmanni (Walker, 1925)
Leaunio pataecus Watters, 2018
Leaunio umbrans (Lea, 1857)
Leaunio vanuxemensis (Lea, 1838)
Ledella acuminata (Jeffreys, 1870)
Ledella fiascona (Dall, 1916)
Ledella galatheae Knudsen, 1970
Ledella pustulosa (Jeffreys, 1876)
Ledella similis Allen and Hannah, 1989
Ledella sublevis Verrill and Bush, 1898
Ledella ultima (E. A. Smith, 1885)
Leguminaia anatolica Gürlek, Kebapci and Lopes-Lima in Lopes-Lima et al., 2021
Leguminaia saulcyi (Bourguignat, 1852)
Leguminaia wheatleyi (Lea, 1862)
Lehmannia valentiana (Ferussac, 1821)
Leidyula floridana (Leidy, 1851)
Leidyula kraussi (Ferussac, 1823)
Leidyula moreleti (Crosse and P. Fischer, 1872)
Leidyula sloani (Cuvier, 1816)
Leila blainvilliana (Lea, 1834)
Leila esula (d'Orbigny, 1835)
Leiomya claviculata (Dall, 1881)
Leiomya halimera Dall, 1886
Leiomya striatella Verrill and Bush, 1898
Lemiox rimosus (Rafinesque, 1831)
Lens comptus (Deshayes in Deshayes & Jullien, 1876)
Lens contradens (Lea, 1838)
Lens eximius (Lea, 1856)
Lens fultoni (Haas, 1930)
Lens inornatus (Lea, 1856)
Lens lugens (Drouët & Chaper, 1892)
Lens maenamensis Pfeiffer, Graf, Cummings & Page, 2021
Lens micropterus (Morelet, 1866)
Lens misellus (Morelet, 1865)
Lens novoselovi (Konopleva, Bolotov, Spitsyn, Kondakov, Gofarov & Vikhrev, 2019)
Lens pallegoixi (Sowerby, 1867)
Lens rolfbrandti (Jeratthitikul & Panha in Jeratthitikul et al., 2019)
Lens semmelinki (Martens, 1891)
Leoparreysia burmana (Blanford, 1869)
Leoparreysia canefrii Vikhrev, Bolotov & Aksenova in Bolotov et al., 2017
Leoparreysia olivacea (Prashad, 1930)
Leoparreysia perconvexa (Preston, 1912)
Leoparreysia subcircularis (Brandt, 1974)
Leoparreysia tavoyensis (Gould, 1843)
Leoparreysia vulcanus (Hanley, 1876)
Leoparreysia whitteni Bolotov, Konopleva, Vikhrev, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2019
Lepeta alba (Dall, 1869)
Lepeta caeca (Muller, 1776)
Lepeta caecoides Carpenter, 1865
Lepeta concentrica Middendorff, 1851
Lepetella laterocompressa (Rayneval and Ponzi, 1854)
Lepetella tubicola Verrill, 1880
Lepidochitona aleutica (Dall, 1879)
Lepidochitona beanii (Carpenter, 1864)
Lepidochitona berryana Eernisse, 1986
Lepidochitona caverna Eernisse, 1986
Lepidochitona cinerea (Linnaeus, 1767)
Lepidochitona dentiens (Gould, 1846)
Lepidochitona fernaldi Eernisse, 1986
Lepidochitona flectens (Carpenter, 1864)
Lepidochitona gothica (Carpenter, 1864)
Lepidochitona hartwegii (Carpenter, 1855)
Lepidochitona keepiana S. S. Berry, 1948
Lepidochitona liozonis (Dall and Simpson, 1901)
Lepidochitona lowei (Pilsbry, 1918)
Lepidochitona semilirata (S. S. Berry, 1927)
Lepidochitona sharpeii
Lepidochitona thamnopora (S. S. Berry, 1911)
Lepidochitona thomasi (Pilsbry, 1898)
Lepidodesma aligera (Heude, 1877)
Lepidodesma languilati (Heude, 1874)
Lepidopleurus asellus
Lepidopleurus cajetanus (Poli, 1791)
Lepidopleurus cancellatus
Lepidopleurus pergranatus
Lepidoteuthis grimaldii Joubin, 1895
Lepidozona abyssicola (A. G. Smith and Cowan, 1966)
Lepidozona allyni (Ferreira, 1977)
Lepidozona beringiana Clark, 2000
Lepidozona cooperi (Dall, 1879)
Lepidozona ima Sirenko, 1975
Lepidozona interstincta (Gould, 1846)
Lepidozona mertensii (Middendorff, 1847)
Lepidozona pectinulata (Carpenter, 1893)
Lepidozona regularis (Carpenter, 1855)
Lepidozona retiporosa (Carpenter, 1864)
Lepidozona scabricostata (Carpenter, 1864)
Lepidozona serrata (Carpenter, 1864)
Lepidozona sinudentata (Carpenter, 1892)
Lepidozona trifida (Carpenter, 1864)
Lepidozona willetti (S. S. Berry, 1917)
Leporimetis intastriata (Say, 1827)
Leporimetis obesa (Deshayes, 1855)
Leptadrillia cookei (E. A. Smith, 1888)
Leptaxinus incrassatus (Jeffreys, 1876)
Leptaxinus minutus A. E. Verrill and Bush, 1898
Leptochiton alveolus (M. Sars in Lovén, 1846)
Leptochiton arcticus (G. O. Sars, 1878)
Leptochiton asellus (Gmelin, 1791)
Leptochiton belknapi Dall, 1878
Leptochiton cancellatus Sowerby, 1840
Leptochiton dentiens
Leptochiton gascognensis Kaas and Belle, 1985
Leptochiton internexus
Leptochiton leloupi Kaas, 1979
Leptochiton nexus Carpenter, 1864
Leptochiton oldroydi
Leptochiton rarinota (Jeffreys, 1882)
Leptochiton rugatus (Pilsbry, 1892)
Leptochiton sarsi Kaas, 1981
Leptochiton scabridus (Jeffreys, 1880)
Leptochiton tenuis Kaas, 1979
Leptogyra alaskana Bartsch, 1910
Leptogyra eritmeta Bush, 1897
Leptogyra inconspicua Bush, 1897
Leptogyra verrilli Bush, 1897
Lepton lacerum (Jeffreys, 1872)
Lepton lepidum Say, 1826
Lepton meroeum Carpenter, 1864
Lepton nitidum
Lepton squamosum (Montagu, 1803)
Leptopecten bavayi (Dautzenberg, 1900)
Leptopecten camerella (S. S. Berry, 1968)
Leptopecten latiauratus (Conrad, 1837)
Leptopecten tumbezensis (Orbigny, 1846)
Leptopecten velero (Hertlein, 1935)
Leptothyra candida
Leptothyra rubricincta
Leptothyra sandwicensis Linnaeus, 1758
Leptothyra verruca
Leptoxis ampla (Anthony, 1855)
Leptoxis arkansensis (Hinkley, 1915)
Leptoxis carinata (Bruguiere, 1792)
Leptoxis clipeata (H. H. Smith in Goodrich, 1922)
Leptoxis compacta (Anthony, 1854)
Leptoxis coosaensis (Lea, 1861)
Leptoxis dilatata (Conrad, 1835)
Leptoxis foremani (Lea, 1843)
Leptoxis formosa (Lea, 1860)
Leptoxis ligata (Anthony, 1860)
Leptoxis lirata (H. H. Smith in Goodrich, 1922)
Leptoxis minor (Hinkley, 1912)
Leptoxis occultata (H. H. Smith in Goodrich, 1922)
Leptoxis picta (Conrad, 1834)
Leptoxis plicata (Conrad, 1834)
Leptoxis praerosa (Say, 1821)
Leptoxis showalterii (Lea, 1860)
Leptoxis torrefacta (H. H. Smith in Goodrich, 1922)
Leptoxis trilineata (Say, 1829)
Leptoxis umbilicata (Wetherby, 1876)
Leptoxis virgata (Lea, 1841)
Leptoxis vittata (Lea, 1860)
Lepyrium showalteri (Lea, 1861)
Leuconopsis novimundi (Pilsbry and McGinty, 1949)
Leucophytia bidentata
Leucosyrinx circinata
Leucosyrinx crebricostata
Leucosyrinx kincaidi Dall, 1919
Leucosyrinx verrilli (Dall, 1881)
Leucozonia jacarusoi Petuch, 1987
Leucozonia nassa (Gmelin, 1791)
Leucozonia ocellata (Gmelin, 1791)
Leurolepas roseola J. H. McLean, 1970
Lienardia apiculata
Lienardia balteata
Lienardia crassicostata
Lienardia fenestrata
Lienardia lutea
Lienardia mighelsi
Ligumia recta (Lamarck, 1819)
Liguriella pardus (Berry, 1916)
Liguriella podophthalma Issel, 1908
Liguus fasciatus (Muller, 1774)
Lima attenuata (Dall, 1916)
Lima excavata (Fabricius, 1779)
Lima floridana Olsson and Harbison, 1953
Lima hians (Gmelin, 1791)
Lima hyperborea Jensen, 1909
Lima lima (Linnaeus, 1758)
Lima locklini McGinty, 1955
Lima loscombi
Lima pellucida C. B. Adams, 1846
Lima sabauriculata (Montagu, 1808)
Lima scabra (Born, 1778)
Lima subovata (Jeffreys, 1879)
Lima tenera Sowerby, 1843
Limacia clavigera
Limacina bulimoides (d'Orbigny, 1836)
Limacina helicina (Phipps, 1774)
Limacina helicoides Jeffreys, 1877
Limacina inflata (d'Orbigny, 1836)
Limacina lesueurii (d'Orbigny, 1836)
Limacina retroversa (Fleming, 1823)
Limacina trochiformis (d'Orbigny, 1836)
Limapontia capitata (O. F. Mueller, 1774)
Limapontia depressa Alder and Hancock, 1862
Limapontia nigra Muller, 1773
Limapontia senestra (Quatrefages, 1844)
Limapontia zonata (Girard, 1852)
Limaria hemphilli (Hertlein and Strong, 1946)
Limaria hians (Gmelin, 1791)
Limaria loscombi (G. B. Sowerby, I, 1823)
Limaria pellucida (C. B. Adams, 1846)
Limatula attenuata Dall, 1916
Limatula confusa (E. A. Smith, 1885)
Limatula gwyni (Sykes, 1903)
Limatula hendersoni Olsson and McGinty, 1958
Limatula hyalina A. E. Verrill and Bush, 1898
Limatula hyperborea A. S. Jensen, 1909
Limatula japonica A. Adams, 1864
Limatula regularis A. E. Verrill and Bush, 1898
Limatula saturna Bernard, 1978
Limatula setifera Dall, 1886
Limatula similaris (Dall, 1908)
Limatula subauriculata (Montagu, 1808)
Limatula subovata (Jeffreys, 1876)
Limatula sulcata (Brown, 1827)
Limatula vancouverensis Bernard, 1978
Limax flavus Linnaeus, 1758
Limax marginatus Muller, 1774
Limax maximus Linnaeus, 1758
Limax nyctelius Bourguignat, 1861
Limax valentianus Férussac, 1823
Limea bronniana Dall, 1886
Limea sarsii (Loven, 1846)
Limea subovata (Jeffreys, 1876)
Limifossor fratula Heath, 1911
Limifossor talpoideus Heath, 1911
Limopsis affinis Verrill, 1885
Limopsis akutanica Dall, 1916
Limopsis antillensis Dall, 1881
Limopsis aurita (Brocchi, 1814)
Limopsis cristata Jeffreys, 1876
Limopsis diegensis Dall, 1908
Limopsis minuta Philippi, 1836
Limopsis onchodes Dall, 1927
Limopsis panamensis Dall, 1902
Limopsis pelagica E. A. Smith, 1885
Limopsis plana Verrill, 1882
Limopsis radialis Dall, 1927
Limopsis skenea Dall, 1916
Limopsis sulcata A. E. Verrill and Bush, 1898
Limopsis surinamensis
Limopsis tenella Jeffreys, 1876
Limopsis waikikia
Linatella caudata (Gmelin, 1791)
Lindapecten exasperatus (G. B. Sowerby II, 1842)
Lindapecten lindae Petuch, 1995
Lindapecten muscosus (W. Wood, 1828)
Linga amiantus (Dall, 1886)
Linga cancellaris (Philippi, 1846)
Linga columbella Lamarck, 1819
Linga excavata (Carpenter, 1857)
Linga leucocyma Dall, 1886
Linga leucocymoides (Lowe, 1935)
Linga pensylvanica (Linnaeus, 1758)
Linga sombrerensis (Dall, 1886)
Linga undatoides (Hertlein and Strong, 1945)
Linisa tamaulipasensis (I. Lea, 1857)
Linisa texasiana (Moricand, 1833)
Lioberus castaneus (Say, 1822)
Liocranchia gardineri Robson, 1921
Liocranchia reinhardti (Steenstrup, 1856)
Liocranchia valdiviae Chun, 1910
Liocyma fluctuosum (Gould, 1841)
Liomesus nassula Dall, 1901
Liomesus stimpsoni Dall, 1889
Lioplax cyclostomaformis (Lea, 1841)
Lioplax pilsbryi Walker, 1905
Lioplax subcarinata (Say, 1817)
Lioplax sulculosa (Menke, 1827)
Liostomia eburnea (Stimpson, 1851)
Liotia adnirabilis E. A. Smith, 1890
Liotia cancellata (Gray, 1828)
Liotia fenestrata Carpenter, 1864
Liotia lurida Dall, 1913
Liotia microgrammata Dall, 1927
Lirabuccinum dirum (Reeve, 1846)
Lirobarleeia kelseyi (Dall and Bartsch, 1902)
Lirobittium armillatum (Carpenter, 1864)
Lirobittium attenuatum (Carpenter, 1864)
Lirobittium fetellum (Bartsch, 1911)
Lirobittium interfossum (Carpenter, 1864)
Lirobittium johnstonae Bartsch, 1911
Lirobittium larum (Bartsch, 1911)
Lirobittium lomaense (Bartsch, 1911)
Lirobittium munitum (Carpenter, 1864)
Lirobittium oldroydae Bartsch, 1911
Lirobittium purpureum (Carpenter, 1864)
Lirobittium quadrifilatum (Carpenter, 1864)
Lirobittium rugatum (Carpenter, 1864)
Lirobittium serra Bartsch, 1917
Lirophora clenchi (Pulley, 1952)
Lirophora latilirata (Conrad, 1841)
Lirularia acuticostata (Carpenter, 1864)
Lirularia bicostata (J. H. McLean, 1964)
Lirularia discors J. H. McLean, 1984
Lirularia lirulata (Carpenter, 1864)
Lirularia optabilis (Carpenter, 1864)
Lirularia parcipicta (Carpenter, 1864)
Lirularia succincta (Carpenter, 1864)
Lischkeia actinophora (Dall, 1890)
Lischkeia calatha
Lischkeia carlotta (Dall, 1902)
Lischkeia ceratophora (Dall, 1896)
Lischkeia cidaris (Carpenter, 1864)
Lischkeia equatorialis (Dall, 1896)
Lischkeia imperialis (Dall, 1881)
Lischkeia ottoi (Philippi, 1844)
Lissodrillia schroederi (Bartsch and Rehder, 1939)
Lissodrillia simpsoni (Dall, 1887)
Lithasia armigera (Say, 1821)
Lithasia curta Lea, 1868
Lithasia duttoniana (Lea, 1841)
Lithasia geniculata Haldeman, 1840
Lithasia hubrichti Clench, 1956
Lithasia jayana (Lea, 1841)
Lithasia lima (Conrad, 1834)
Lithasia obovata (Say, 1829)
Lithasia salebrosa (Conrad, 1834)
Lithasia spicula Minton, Savarese and Campbell, 2005
Lithasia verrucosa (Rafinesque, 1820)
Lithophaga antillarum (d'Orbigny, 1842)
Lithophaga aristata (Dillwyn, 1817)
Lithophaga attenuata (Deshayes, 1836)
Lithophaga bisulcata (d'Orbigny, 1842)
Lithophaga nigra (d'Orbigny, 1842)
Lithophaga plumula (Hanley, 1844)
Lithophaga rogersi S. S. Berry, 1957
Lithopoma americanum (Gmelin, 1791)
Lithopoma caelatum (Gmelin, 1791)
Lithopoma gibberosa (Dillwyn, 1817)
Lithopoma tectum (Lightfoot, 1786)
Lithopoma tuber (Linnaeus, 1767)
Litiopa melanostoma Rang, 1829
Littoraria angulifera (Lamarck, 1822)
Littoraria irrorata (Say, 1822)
Littoraria nebulosa (Lamarck, 1822)
Littoraria tessellata (Philippi, 1847)
Littoridina crosseana (Pilsbry, 1910)
Littoridinops monroensis (Frauenfeld, 1863)
Littoridinops palustris F. G. Thompson, 1968
Littoridinops tenuipes (Couper, 1844)
Littorina albicarinata Mclean, 1970
Littorina aleutica Dall, 1872
Littorina angulifera (Lamarck, 1822)
Littorina angustior (Morch, 1876)
Littorina arcana Ellis, 1978
Littorina aspera Philippi, 1846
Littorina atkana
Littorina fasciata Gray, 1839
Littorina flava King and Broderip, 1832
Littorina irrorata (Say, 1822)
Littorina keenae Rosewater, 1978
Littorina lineolata D'Orbigny, 1840
Littorina littorea (Linnaeus, 1758)
Littorina mariae Sacchi and Rastelli, 1966
Littorina meleagris (Potiez and Michaud, 1838)
Littorina mespillum (Muhlfeld, 1824)
Littorina modesta Philippi, 1846
Littorina nebulosa (Lamarck, 1822)
Littorina neglecta Bean, 1844
Littorina neritoides
Littorina nigrolineata J. E. Gray, 1839
Littorina obtusata (Linnaeus, 1758)
Littorina pintado
Littorina planaxis Philippi, 1847
Littorina plena Gould, 1849
Littorina pullata Carpenter, 1864
Littorina saxatilis (Olivi, 1792)
Littorina scabra (Linnaeus, 1758)
Littorina scutulata Gould, 1849
Littorina sitkana Philippi, 1846
Littorina squalida Broderip and G. B. Sowerby I, 1829
Littorina striata (Vallot, 1801)
Littorina subrotundata (Carpenter, 1864)
Littorina zebra
Littorina ziczac (Gmelin, 1791)
Lobiger souverbii P. Fischer, 1857
Lobosculum pustula (Ferussac, 1832)
Lobosculum pustuloides (Bland, 1858)
Loligo africana (Adam, 1950)
Loligo bleekeri Keferstein, 1866
Loligo forbesii Steenstrup, 1856
Loligo gahi D'Orbigny, 1835 in 1834-1847
Loligo media (Linnaeus, 1758)
Loligo ocula Cohen, 1976
Loligo opalescens Berry, 1911
Loligo pealeii Lesueur, 1821
Loligo pickfordi (Adam, 1954)
Loligo plei Blainville, 1823
Loligo roperi Cohen, 1976
Loligo sanpaulensis Brakoniecki, 1984
Loligo subulata Lamarck, 1798
Loligo surinamensis Voss, 1974
Loligo vietnamensis Nguyen, 1994
Loligo vulgaris Lamarck, 1798
Loliolus affinis Steenstrup, 1856
Loliolus beka (Sasaki, 1929)
Loliolus hardwickei (Gray, 1849)
Loliolus japonica (Hoyle, 1885)
Loliolus sumatrensis (D'Orbigny, 1835 in Férussac and D'Orbigny, 1834-1848)
Loliolus uyii (Wakiya and Ishikawa, 1921)
Lolliguncula argus Brakoniecki and Roper, 1985
Lolliguncula brevis (Blainville, 1823)
Lolliguncula diomedeae (Hoyle, 1904)
Lolliguncula mercatoris Adam, 1941
Lolliguncula panamensis Berry, 1911
Lomanotus genei Verany, 1846
Lomanotus marmoratus (Alder and Hancock, 1845)
Lomanotus stauberi K. B. Clark and Goetzfried, 1976
Lomanotus vermiformis Eliot, 1908
Lopha cristagalli (Linnaeus)
Lophodoris danielsseni (Friele and Hansen, 1876)
Lora albrechti Krause, 1885
Lora alitakensis
Lora althorpensis
Lora amiata
Lora arctica (A. Adams, 1855)
Lora cancellata
Lora chiachiana
Lora elegans (Moller, 1842)
Lora fiora
Lora galgana
Lora healyi
Lora inflata
Lora kyskana
Lora laevigata (Dall, 1871)
Lora lawrenciana
Lora luetkeni
Lora mitrata
Lora morchi Leche, 1878
Lora murdochiana (Dall, 1885)
Lora nobilis
Lora nodulosa (Krause, 1885)
Lora novaiasemliensis (Leche, 1878)
Lora pavlova
Lora quadra
Lora rassina
Lora reticulata
Lora rugulata
Lora scalaris
Lora simplex (Middendorff, 1849)
Lora solida (Dall, 1887)
Lora tenuissima
Lora turricula
Lora woodiana (Moller, 1842)
Loripes lucinalis (Lamarck, 1818)
Lortiella froggatti Iredale, 1934
Lortiella opertanea Ponder & Bayer, 2004
Lortiella rugata (Sowerby, 1868)
Lottia alveus (Conrad, 1831)
Lottia asmi (Middendorff, 1847)
Lottia borealis (Lindberg, 1982)
Lottia conus (Test, 1945)
Lottia digitalis (Rathke, 1833)
Lottia gigantea G. B. Sowerby I, 1834
Lottia instabilis (Gould, 1846)
Lottia jamaicensis (Gmelin, 1791)
Lottia leucopleura (Gmelin, 1791)
Lottia limatula (Carpenter, 1864)
Lottia ochracea (Dall, 1871)
Lottia painei Lindberg, 1987
Lottia pelta (Rathke, 1833)
Lottia scabra (Gould, 1846)
Lottia strigatella (Carpenter, 1864)
Lottia triangularis (Carpenter, 1864)
Lucapina aegis (Reeve, 1850)
Lucapina eolis Perez Farfante, 1945
Lucapina philippiana (Finlay, 1930)
Lucapina sowerbii (G. B. Sowerby II, 1835)
Lucapina suffusa (Reeve, 1850)
Lucapinella aequalis (Sowerby, 1835)
Lucapinella callomarginata (Dall, 1871)
Lucapinella delicata Usticke, 1969
Lucapinella eleanorae J. H. McLean, 1967
Lucapinella henseli (Von Martens, 1900)
Lucapinella limatula (Reeve, 1850)
Lucapinella milleri S. S. Berry, 1959
Lucidella tantilla Pilsbry, 1902
Lucina amianta (Dall, 1901)
Lucina bermudensis Dall, 1901
Lucina excavata
Lucina fenestrata Hinds, 1845
Lucina floridana Conrad, 1833
Lucina keenae Chavan, 1971
Lucina leucocyma Dall, 1886
Lucina muricata (Sprengler, 1798)
Lucina nassula (Conrad, 1846)
Lucina nuttalli (Conrad, 1791)
Lucina pectinata (Gmelin, 1791)
Lucina pensylvanica (Linnaeus, 1758)
Lucina radians (Conrad, 1841)
Lucina sombrerensis Dall, 1886
Lucina trisulcata Conrad, 1841
Lucinella divaricata (Linnaeus, 1758)
Lucinisca muricata (Spengler, 1798)
Lucinisca nassula (Conrad, 1846)
Lucinisca nuttalli (Conrad, 1837)
Lucinoma aequizonatum (Stearns, 1890)
Lucinoma annulatum (Reeve, 1850)
Lucinoma atlantis R. A. Mclean, 1936
Lucinoma blakeanum (Bush, 1893)
Lucinoma borealis
Lucinoma filosa (Stimpson, 1851)
Lucinoma filosum (Stimpson, 1851)
Lucinoma heroica (Dall, 1901)
Lunatia fringilla (Dall, 1881)
Lunatia laevicula (Verrill, 1880)
Lunatia politiana (Dall, 1919)
Lusitanops cingulata Bouchet and Waren, 1980
Lusitanops expansa (G. O. Sars, 1878)
Lusitanops hyaloides (Dautzenberg, 1925)
Lusitanops sigmoidea Bouchet and Waren, 1980
Lussivolutopsius filosus (Dall, 1919)
Lutraria alderi
Lutraria angustior Philippi, 1844
Lutraria lutraria (Linnaeus, 1758)
Lutraria magna
Luzonia walleri (Bernard, 1989)
Lycoteuthis lorigera (Steenstrup, 1875)
Lycoteuthis springeri (Voss, 1956)
Lymnaea atkaensis Dall, 1884
Lymnaea palustris (O. F. Müller, 1774)
Lymnaea producta (Mighels, 1845)
Lymnaea rubella Lea, 1841
Lymnaea stagnalis (Linnaeus, 1758)
Lyogyrus bakerianus (Pilsbry, 1917)
Lyogyrus browni (Carpenter, 1872)
Lyogyrus granum (Say, 1822)
Lyogyrus latus F. G. Thompson and Hershler, 1991
Lyogyrus pilsbryi (Walker, 1906)
Lyogyrus pupoideus (Gould, 1841)
Lyogyrus retromargo (F. G. Thompson, 1968)
Lyogyrus walkeri (Pilsbry, 1898)
Lyonsia arenosa (Moller, 1842)
Lyonsia argentea Jeffreys, 1881
Lyonsia bracteata (Gould, 1850)
Lyonsia bulla Dall, 1881
Lyonsia californica Conrad, 1837
Lyonsia floridana Conrad, 1849
Lyonsia formosa Jeffreys, 1881
Lyonsia gouldii Dall, 1915
Lyonsia granulifera A. E. Verrill and Bush, 1898
Lyonsia hyalina Conrad, 1831
Lyonsia lucasana Bartsch and Rehder, 1939
Lyonsia magnifica Dall, 1913
Lyonsia norvegica (Gmelin, 1791)
Lyonsia norwegica (Gmelin, 1791)
Lyonsia pugetensis Dall, 1913
Lyonsia striata (Montagu, 1815)
Lyonsiella abyssicola (G. Sars, 1872)
Lyonsiella alaskana Dall, 1895
Lyonsiella cordata Verrill and Bush, 1898
Lyonsiella fragilis
Lyonsiella gemma Verrill, 1880
Lyonsiella quaylei Bernard, 1969
Lyonsiella subquadrata (Jeffreys, 1881)
Lyonsiella uschakovi Gorbunov, 1946
Lyrodus bipartitus (Jeffreys, 1860)
Lyrodus floridanus (Bartsch, 1922)
Lyrodus pedicellatus (de Quatrefages, 1849)
Lyrodus takanoshimensis (Roch, 1929)
Lyropecten kallinubilosus (Bayer, 1943)
Macoma acolasta Dall, 1921
Macoma balthica (Linnaeus, 1758)
Macoma baltica (Linnaeus, 1758)
Macoma brevifrons (Say, 1834)
Macoma brota Dall, 1916
Macoma calcarea (Gmelin, 1791)
Macoma carlottensis Whiteaves, 1880
Macoma cerina C. B. Adams, 1845
Macoma constricta (Bruguiere, 1792)
Macoma crassula (Deshayes, 1855)
Macoma dexioptera Baxter, 1977
Macoma elimata Dunnill and Coan, 1968
Macoma expansa Carpenter, 1864
Macoma extenuata Dall, 1900
Macoma inconspicua
Macoma indentata Carpenter, 1864
Macoma inflata
Macoma inquinata (Deshayes, 1855)
Macoma irus
Macoma lama Bartsch, 1929
Macoma leptonoidea Dall, 1895
Macoma limula Dall, 1895
Macoma lipara Dall, 1916
Macoma loveni (A. S. Jensen, 1905)
Macoma middendorffi Dall, 1884
Macoma mitchelli Dall, 1895
Macoma moesta (Deshayes, 1855)
Macoma nasuta (Conrad, 1837)
Macoma obliqua (J. Sowerby, 1817)
Macoma phenax Dall, 1900
Macoma pseudomera Dall and Simpson, 1901
Macoma pulleyi Boyer, 1969
Macoma secta (Conrad, 1837)
Macoma subrosea
Macoma tageliformis Dall, 1900
Macoma tenta (Say, 1834)
Macoma torelli (A. S. Jensen, 1905)
Macoma yoldiformis Carpenter, 1864
Macrarene cookeana (Dall, 1918)
Macrarene farallonensis (A. G. Smith, 1952)
Macrocallista maculata (Linnaeus, 1758)
Macrocallista nimbosa (Lightfoot, 1786)
Macrocypraea cervus (Linnaeus, 1771)
Macrocypraea zebra (Linnaeus, 1758)
Macromphalina adamsii (P. Fischer, 1857)
Macromphalina californica Dall, 1903
Macromphalina floridana Moore, 1965
Macromphalina palmalitoris Pilsbry and McGinty, 1950
Macromphalina pierrot Gardner, 1948
Macron lividus (A. Adams, 1855)
Macron mcleani Vermeij, 1998
Mactra corallina
Mactra glauca Born, 1778
Mactra stultorum (Linnaeus, 1758)
Mactrellona alata (Sprengler, 1802)
Mactromeris catilliformis (Conrad, 1867)
Mactromeris hemphillii (Dall, 1894)
Mactromeris polynyma (Stimpson, 1860)
Mactrotoma californica (Conrad, 1837)
Mactrotoma fragilis (Gmelin, 1791)
Mactrotoma nasuta (Gould, 1851)
Madrella aurantica Vayssiere, 1903
Magadis eumerintha Melville and Standen, 1899
Magnipelta mycophaga Pilsbry, 1953
Malanochlamys diomedia (Bergh, 1894)
Malletia abyssopolaris A. H. Clarke, 1960
Malletia abyssorum Verrill and Bush, 1898
Malletia cuneata (Jeffreys, 1876)
Malletia dilatata (Philippi, 1844)
Malletia faba Dall, 1897
Malletia johnsoni Clark, 1961
Malletia obtusa (G. O. Sars, 1878)
Malletia pacifica Dall, 1897
Malletia polita Verrill and Bush, 1898
Malletia truncata
Malleus candeanus (d'Orbigny, 1842)
Malluvium benthophilum (Dall, 1889)
Mancikellia pumila (S. V. Wood, 1850)
Mangelia acloneta (Dall, 1889)
Mangelia acrocarinata Dall, 1927
Mangelia aculea (Dall, 1919)
Mangelia alcippe (Dall, 1918)
Mangelia aleutica Dall, 1871
Mangelia althorpi Dall, 1919
Mangelia amatula (Dall, 1919)
Mangelia areia Dall, 1927
Mangelia astricta Reeve, 1846
Mangelia atonia (Dall, 1881)
Mangelia attenuata
Mangelia bandella (Dall, 1881)
Mangelia bartletti (Dall, 1889)
Mangelia biconica C. B. Adams, 1850
Mangelia brachystoma (Philippi, 1844)
Mangelia branneri Arnold, 1903
Mangelia carlottae Dall, 1919
Mangelia cerina
Mangelia ceroplasta Bush, 1885
Mangelia cesta Dall, 1919
Mangelia cetolaca Dall, 1908
Mangelia chasmata Dall, 1927
Mangelia christina Dall, 1927
Mangelia coarctata (Forbes, 1840)
Mangelia constricta (Gabb, 1865)
Mangelia cratera Dall, 1927
Mangelia crossata Dall, 1927
Mangelia cryera Dall, 1927
Mangelia crystallina (Gabb, 1865)
Mangelia dalli (Verrill, 1882)
Mangelia densilineata (Dall, 1921)
Mangelia elusiva (Dall, 1881)
Mangelia eriopis Dall, 1919
Mangelia eriphyle Dall, 1919
Mangelia evadne Dall, 1919
Mangelia exsculpta (Watson, 1881)
Mangelia granitica Dall, 1919
Mangelia hexagona Gabb, 1865
Mangelia hooveri Arnold, 1903
Mangelia ipara (Dall, 1881)
Mangelia ischna Dall, 1927
Mangelia janira (Dall, 1919)
Mangelia lastica Dall, 1927
Mangelia leuca Bush, 1893
Mangelia loraeformis Dall, 1927
Mangelia louisa (Dall, 1919)
Mangelia macra
Mangelia melantica
Mangelia merita Hinds, 1843
Mangelia monocingulata Dall, 1889
Mangelia munivakensis Dall, 1919
Mangelia nebula
Mangelia nuperrima (Tiberi, 1855)
Mangelia oldroydi Arnold, 1903
Mangelia painei Arnold, 1903
Mangelia pelagica (Dall, 1881)
Mangelia perattenuata Dall, 1905
Mangelia percompacta Dall, 1927
Mangelia philodice Dall, 1919
Mangelia plicosa
Mangelia pomara (Dall, 1919)
Mangelia pourtalesii (Dall, 1881)
Mangelia powisiana (Dautzenberg, 1887)
Mangelia quadrata (Reeve, 1845)
Mangelia quadriseriata (Dall, 1919)
Mangelia rhabdea Dall, 1927
Mangelia rugirima Dall, 1889
Mangelia rugulosa (Philippi, 1844)
Mangelia sagena Dall, 1927
Mangelia scipio Dall, 1889
Mangelia sculpturata Dall, 1886
Mangelia sericifila Dall, 1927
Mangelia smithii (Forbes, 1840)
Mangelia stellata (Morch, 1860)
Mangelia striosa (C. B. Adams, 1852)
Mangelia strongyla Dall, 1927
Mangelia subcircularis Dall, 1927
Mangelia subsida (Dall, 1881)
Mangelia tachnodes Dall, 1927
Mangelia toreumata Dall, 1889
Mangelia variegata
Mangelia verdensis (Dall, 1919)
Mangelia victoriana (Dall, 1897)
Manzonia aequisculpta (Keep, 1887)
Manzonia almo (Bartsch, 1911)
Manzonia cosmia (Bartsch, 1911)
Manzonia purpurea (Dall, 1871)
Margarites acuticostatus Carpenter, 1864
Margarites albolineatus (E. A. Smith, 1899)
Margarites althorpensis Dall, 1919
Margarites argentatus (Gould, 1841)
Margarites avensooki
Margarites baxteri
Margarites beringensis (E. A. Smith, 1899)
Margarites bicostatus J. H. McLean, 1964
Margarites costalis (Gould, 1841)
Margarites ecarinatus (Dall, 1919)
Margarites euspirus Dall, 1881
Margarites frigidus Dall, 1919
Margarites fulgidus (Jeffreys, 1883)
Margarites giganteus (Leche, 1878)
Margarites groenlandicus (Gmelin, 1791)
Margarites healyi Dall, 1919
Margarites helicinus (Phipps, 1774)
Margarites hickmanae J. H. McLean, 1984
Margarites keepi A. G. Smith and M. Gordon, 1948
Margarites minutissimus Mighels, 1843
Margarites mionus Dall, 1927
Margarites multilineatus (DeKay, 1843)
Margarites ochotensis (Philippi, 1846)
Margarites olivaceus (T. Brown, 1827)
Margarites optabilis Carpenter, 1864
Margarites pribiloffensis (Dall, 1919)
Margarites pupillus (Gould, 1849)
Margarites rhodia Dall, 1921
Margarites rudis Dall, 1919
Margarites salmoneus (Carpenter, 1864)
Margarites scintillans Watson, 1879
Margarites simbla Dall, 1913
Margarites smithi Bartsch, 1927
Margarites sordidus (Hancock, 1846)
Margarites striatus (Leach, 1819)
Margarites succinctus Carpenter, 1864
Margarites umbilicalis Broderip and Sowerby, 1829
Margarites vahlii (Moller, 1842)
Margarites vorticifer (Dall, 1873)
Margaritifera dahurica (Middendorff, 1850)
Margaritifera falcata (Gould, 1850)
Margaritifera hembeli (Conrad, 1838)
Margaritifera laevis (Haas, 1910)
Margaritifera margaritifera (Linnaeus, 1758)
Margaritifera marrianae R. I. Johnson, 1983
Margaritifera middendorffi (Rosén, 1926)
Marginella denticulata Conrad, 1834
Marginella fusina Dall, 1881
Marginella labiata Kiener, 1841
Marginella perexilis Bavay, 1922
Marginella virginiana Conrad, 1868
Maricopella allynsmithi (Gregg and W. B. Miller, 1969)
Marionia cucullata
Marionia tedi Ev. Marcus, 1983
Marisa cornuarietis (Linnaeus, 1758)
Marsenina ampla A. E. Verrill, 1880
Marsenina glabra (Couthouy, 1838)
Marsenina globosa L. M. Perry, 1939
Marsenina prodita Loven, 1846
Marsenina rhombica (Dall, 1871)
Marsenina stearnsii (Dall, 1871)
Marseniopsis sharonae (Willett, 1939)
Marshallora nigrocincta (C. B. Adams, 1839)
Marstonia agarhecta F. G. Thompson, 1969
Marstonia angulobasis F. G. Thompson, 2005
Marstonia arga F. G. Thompson, 1977
Marstonia castor F. G. Thompson, 1977
Marstonia comalensis (Pilsbry and Ferriss, 1906)
Marstonia gaddisorum F. G. Thompson, 2005
Marstonia halcyon F. G. Thompson, 1977
Marstonia hershleri (F. G. Thompson, 1995)
Marstonia letsoni (Walker, 1901)
Marstonia lustrica (Pilsbry, 1890)
Marstonia ogmorhaphe F. G. Thompson, 1977
Marstonia olivacea (Pilsbry, 1895)
Marstonia ozarkensis (Hinkley, 1915)
Marstonia pachyta F. G. Thompson, 1977
Marstonia scalariformis (Wolf, 1870)
Martensnaias rubicunda (Martens, 1900)
Martesia cuneiformis (Say, 1822)
Martesia fragilis A. E. Verrill and Bush, 1890
Martesia striata (Linnaeus, 1758)
Martialia hyadesii Rochebrune and Mabille, 1889
Massya longicirrata (Massy, 1917)
Mastigoteuthis agassizii Verrill, 1881
Mastigoteuthis atlantica Joubin, 1933
Mastigoteuthis dentata Hoyle, 1904
Mastigoteuthis flammea Chun, 1908
Mastigoteuthis glaukopsis Chun, 1908
Mastigoteuthis grimaldii (Joubin, 1895)
Mastigoteuthis inermis Rancurel, 1972
Mastigoteuthis iselini MacDonald and Clench, 1934
Mastigoteuthis magna Joubin, 1913
Mastigoteuthis psychrophila Nesis, 1977
Mastigoteuthis pyrodes Young, 1972
Mastigoteuthis schmidti Degner, 1925
Mastigoteuthis talismani (Fischer and Joubin, 1907)
Mathilda amaea Dall, 1927
Mathilda barbadensis Dall, 1889
Mathilda georgiana Dall, 1927
Mathilda globulifera Dall, 1927
Mathilda granifera Dall, 1927
Mathilda hendersoni Dall, 1927
Mathilda jacteosa
Mathilda jeffreysii Dall, 1889
Mathilda quadricarinata (Brocchi, 1814)
Mathilda rushii Dall, 1889
Mathilda scitula Dall, 1889
Mathilda yucatecana (Dall, 1881)
Maxwellia gemma (G. B. Sowerby II, 1879)
Maxwellia santarosana (Dall, 1905)
Mazatlania cosentini (Philippi, 1836)
Medionidus acutissimus (Lea, 1831)
Medionidus conradicus (Lea, 1834)
Medionidus parvulus (Lea, 1860)
Medionidus penicillatus (Lea, 1857)
Medionidus simpsonianus Walker, 1905
Medionidus walkeri (S. H. Wright, 1897)
Megacrenella columbiana (Dall, 1897)
Megacrenella grisea (Dall, 1907)
Megaleledone senoi Taki, 1961
Megalocranchia abyssicola (Goodrich, 1896)
Megalocranchia maxima Pfeffer, 1884
Megalocranchia oceanica (Voss, 1960)
Megalomphalus adamsii (P. Fischer, 1857)
Megalomphalus californicus (Dall, 1903)
Megalomphalus floridanus (Moore, 1965)
Megalomphalus palmalitoris (Pilsbry and McGinty, 1950)
Megalomphalus pierrot (Gardner, 1948)
Megalomphalus schmiederi J. H. McLean, 1996
Megalonaias nervosa (Rafinesque, 1820)
Megalonaias nickliniana (Lea, 1834)
Megapallifera mutabilis (Hubricht, 1951)
Megapallifera ragsdalei (Webb, 1950)
Megapallifera wetherbyi (W. G. Binney, 1874)
Megastraea turbanica (Dall, 1910)
Megastraea undosa (W. Wood, 1828)
Megasurcula carpenteriana (Gabb, 1865)
Megasurcula remondii (Gabb, 1866)
Megasurcula stearnsiana (Raymond, 1904)
Megatebennus bimaculatus (Dall, 1871)
Megathura crenulata (G. B. Sowerby I, 1825)
Megayoldia martyria (Dall, 1897)
Megayoldia montereyensis (Dall, 1893)
Megayoldia thraciaeformis (Storer, 1838)
Megomphix californicus A. G. Smith, 1960
Megomphix hemphilli (W. G. Binney, 1879)
Megomphix lutarius H. B. Baker, 1932
Meiocardia agassizii Dall, 1889
Meiomenia arenicola Salvini-Plawen, 1985
Meiomenia dalyelli (Koren and Danielssen, 1877)
Meiomenia swedmarki M. P. Morse, 1979
Melampus bidentatus Say, 1822
Melampus bullaoides (Montagu, 1808)
Melampus coffeus (Linnaeus, 1758)
Melampus floridanus Pfeiffer, 1856
Melampus monile (Bruguiere, 1789)
Melampus morrisoni Martins, 1996
Melampus olivaceus Carpenter, 1856
Melanella arcuata (C. B. Adams, 1850)
Melanella bakeri Bartsch, 1917
Melanella berryi Bartsch, 1917
Melanella bilineata Alder, 1848
Melanella californica Bartsch, 1917
Melanella catalinensis Bartsch, 1917
Melanella columbiana Bartsch, 1917
Melanella comoxensis Bartsch, 1917
Melanella compacta (Carpenter, 1866)
Melanella conoidea (Kurtz and Stimpson, 1851)
Melanella delmontensis (A. G. Smith and M. Gordon, 1948)
Melanella distorta (Vanatta, 1899)
Melanella elongata Bucquoy, Dollfus and Dautzenberg, 1883
Melanella eulimoides (C. B. Adams, 1850)
Melanella giba de Folin, 1867
Melanella gracilis (C. B. Adams, 1850)
Melanella grippi Bartsch, 1917
Melanella intermedia (Cantraine, 1835)
Melanella jamaicensis (C. B. Adams, 1845)
Melanella lastra Bartsch, 1917
Melanella macra Bartsch, 1917
Melanella micans (Carpenter, 1865)
Melanella micrans (Carpenter, 1864)
Melanella montereyensis Bartsch, 1917
Melanella oldroydae Bartsch, 1917
Melanella orphanensis Clarke, 1974
Melanella peninsularis Bartsch, 1917
Melanella randolfi Vanatta, 1899
Melanella rutila (Carpenter, 1864)
Melanella sarsi (Bush, 1909)
Melanella tacomaensis Bartsch, 1917
Melanella thersites (Carpenter, 1864)
Melanella titubans (S. S. Berry, 1956)
Melaniella gracillima (L. Pfeiffer, 1839)
Melanochlamys diomedea (Bergh, 1894)
Melanoides admirabilis
Melanoides tuberculatus (Muller, 1774)
Melanoides turriculus (I. Lea, 1850)
Melibe leonina (Gould, 1852)
Melongena bicolor (Say, 1826)
Melongena corona (Gmelin, 1791)
Melongena sprucecreekensis Tucker, 1994
Mendicula ferruginosa (Forbes, 1844)
Menestho albula (Fabricius, 1780)
Menetus opercularis (Gould, 1847)
Mercenaria campechiensis (Gmelin, 1791)
Mercenaria mercenaria (Linnaeus, 1758)
Merelina granulosa
Merelina hewa
Merelina kenneyi
Merelina wanawana
Meromenia hirondella Leloup, 1949
Mesodesma arctatum (Conrad, 1830)
Mesodesma deauratum (Turton, 1822)
Mesodon altivagus (Pilsbry, 1900)
Mesodon andrewsae W. G. Binney, 1879
Mesodon clausus (Say, 1821)
Mesodon elevatus (Say, 1821)
Mesodon mitchellianus (I. Lea, 1839)
Mesodon normalis (Pilsbry, 1900)
Mesodon sanus (Clench and Archer, 1933)
Mesodon thyroidus (Say, 1816)
Mesodon trossulus Hubricht, 1966
Mesodon zaletus (A. Binney, 1837)
Mesomphix andrewsae (Pilsbry, 1895)
Mesomphix anurus Hubricht, 1962
Mesomphix capnodes (W. G. Binney, 1857)
Mesomphix cupreus (Rafinesque, 1831)
Mesomphix friabilis (W. G. Binney, 1857)
Mesomphix globosus (MacMillan, 1940)
Mesomphix inornatus (Say, 1821)
Mesomphix latior (Pilsbry, 1900)
Mesomphix perfragilis (Wetherby, 1894)
Mesomphix perlaevis (Pilsbry, 1900)
Mesomphix pilsbryi (G. H. Clapp, 1904)
Mesomphix rugeli (W. G. Binney, 1879)
Mesomphix subplanus (A. Binney, 1842)
Mesomphix vulgatus H. B. Baker, 1933
Mesonychoteuthis hamiltoni Robson, 1925
Metasepia pfefferi (Hoyle, 1885)
Metasepia tullbergi (Appellöf, 1886)
Metastoma goldfussi (Menke, 1847)
Metastoma hamiltoni Dall, 1897
Metastoma mesolia Pilsbry, 1912
Metastoma pasonis Dall, 1895
Metastoma riograndense Pilsbry, 1946
Metastoma roemeri (Pfeiffer, 1848)
Metaxia convexa (Carpenter, 1856)
Metaxia metaxae (Delle Chiaje, 1829)
Metaxia rugulosa (C. B. Adams, 1850)
Metaxia taeniolata (Dall, 1889)
Metula significans (Rehder, 1943)
Metzgeria californica Dall, 1903
Metzgeria montereyana A. G. Smith and M. Gordon, 1948
Mexichromis porterae (Cockerell, 1901)
Micranellum oregonense
Micrarionta beatula Cockerell, 1929
Micrarionta facta (Newcomb, 1864)
Micrarionta feralis (Hemphill, 1901)
Micrarionta gabbii (Newcomb, 1864)
Micrarionta opuntia Roth, 1975
Micrarionta rufocincta (Newcomb, 1864)
Microceramus floridanus (Pilsbry, 1898)
Microceramus pontificus (Gould, 1848)
Microceramus texanus (Pilsbry, 1898)
Microcondylaea bonellii (Férussac, 1827)
Microdontia anodontaeformis (Tapparone Canefri, 1883)
Microdrillia comatotropsis (Dale, 1881)
Microeulima hemphillii (Dall, 1884)
Microgaza rotella Dall, 1881
Microgloma turnerae Saunders and Allen, 1973
Microgloma yongei Saunders and Allen, 1973
Microglyphis brevicula (Dall, 1902)
Microglyphis estuarina (Dall, 1908)
Microhedyle glandulifera (Kowalevsky, 1901)
Microhedyle milaschewitschii (Kowalevsky, 1901)
Micromelo undatus (Bruguiere, 1792)
Micromenetus brogniartianus (Lea, 1842)
Micromenetus dilatatus (Gould, 1841)
Micromenetus floridensis (F. C. Baker, 1945)
Micromenetus sampsoni (Ancey, 1885)
Micromenia fodiens (Schwabl, 1955)
Micronaias arata (Lea, 1845)
Micronaias fallaciosa (Simpson, 1914)
Micronaias granadensis (Lea, 1868)
Microphysula cookei (Pilsbry, 1922)
Microphysula ingersolli (Bland, 1875)
Microstelma vestale (Rehder, 1943)
Microtralia occidentalis (Pfeiffer, 1854)
Microvoluta blakeana (Dall, 1889)
Microvoluta intermedia (Dall, 1889)
Middendorffinaia mongolica (Middendorff, 1851)
Miesea evelinae (Er. Marcus, 1957)
Milax gagates (Draparnaud, 1801)
Milda scitula A. Adams, 1886
Millerelix deltoidea (Simpson, 1889)
Millerelix dorfeuilliana (I. Lea, 1838)
Millerelix fatigiata (Say, 1829)
Millerelix gracilis (Hubricht, 1961)
Millerelix jacksoni (Bland, 1866)
Millerelix lithica (Hubricht, 1961)
Millerelix mooreana (W. G. Binney, 1858)
Millerelix peregrina (Rehder, 1932)
Millerelix plicata (Say, 1821)
Millerelix simpsoni (Pilsbry and Ferriss, 1907)
Millerelix troostiana (I. Lea, 1839)
Milneria kelseyi Dall, 1916
Milneria minima (Dall, 1871)
Miodontiscus prolongatus (Carpenter, 1864)
Mirachelus clinocnemus Quinn, 1979
Mirachelus corbis (Dall, 1889)
Miraclathurella herminea (Bartsch, 1934)
Miralda havanensis (Pilsbry and Aguayo, 1933)
Miralda paulbartschi
Miralda scopulorum
Mitra barbadensis (Gmelin, 1791)
Mitra belcheri Hinds, 1844
Mitra brasiliensis Oliveira, 1869
Mitra catalinae Dall, 1919
Mitra crenata Broderip, 1836
Mitra dolorosa Dall, 1903)
Mitra flammulata
Mitra florida Gould, 1856
Mitra fultoni E. A. Smith, 1892
Mitra grammatula Dall, 1927
Mitra idae Melvill, 1893
Mitra larranagai Carcelles, 1947
Mitra nodulosa (Gmelin, 1791)
Mitra pallida Nowell-Usticke, 1959
Mitra saldanha Matthews Anbd Rios, 1970
Mitra saltata
Mitra semiferruginea Reeve, 1845
Mitra straminea A. Adams, 1853
Mitra swainsonii Broderip, 1836
Mitra tristis Broderip, 1836
Mitra zilpha Dall, 1927
Mitrella amiantis (Dall, 1919)
Mitrella amphisella (Dall, 1881)
Mitrella appressa (Dall, 1927)
Mitrella argus D'Orbigny, 1842
Mitrella aurantiaca (Dall, 1871)
Mitrella baccata (Gaskoin, 1852)
Mitrella bella
Mitrella callimorpha (Dall, 1919)
Mitrella carinata (Hinds, 1844)
Mitrella casciana (Dall, 1919)
Mitrella caulerpae Keen, 1971
Mitrella clementensis (Bartsch, 1927)
Mitrella crumena (Dall, 1924)
Mitrella densilineata (Carpenter, 1864)
Mitrella diaphana (A. E. Verrill, 1882)
Mitrella dichroa (G. B. Sowerby I, 1844)
Mitrella dicomata (Dall, 1889)
Mitrella dissimilis Stimpson, 1851
Mitrella dorma Baker, Hanna, and Strong, 1938
Mitrella embusa (Dall, 1927)
Mitrella enida (Dall, 1927)
Mitrella euribia (Dall, 1927)
Mitrella fusiformis D'Orbigny, 1842
Mitrella gausapata Gould, 1850
Mitrella georgiana (Dall, 1924)
Mitrella gouldi
Mitrella granti Lowe, 1935
Mitrella guttata Sowerby, 1832
Mitrella hypodra (Dall, 1916)
Mitrella idalina (Duclor, 1840)
Mitrella lunata (Say, 1826)
Mitrella lutulenta (Dall, 1919)
Mitrella margarita
Mitrella multilineata (Dall, 1889)
Mitrella nitens
Mitrella nycteis (Duclos, 1846)
Mitrella ocellata (Gmelin, 1791)
Mitrella perlucida Dall, 1927
Mitrella permodesta (Dall, 1890)
Mitrella profundi (Dall, 1889)
Mitrella projecta (Dall, 1927)
Mitrella pura (A. E. Verrill, 1882)
Mitrella raveneli (Dall, 1889)
Mitrella rorida
Mitrella sagenata (Dall, 1924)
Mitrella stemma (Dall, 1927)
Mitrella tuberosa (Carpenter, 1864)
Mitrella verrillii (Dall, 1881)
Mitrella vidua (Dall, 1924)
Mitrolumna biplicata (Dall, 1889)
Mitromorpha carpenteri Gilbert, 1954
Mitromorpha gracilior Tryon, 1884
Modellnaia siamensis Brandt, 1974
Modiolula phaseolina (Philippi, 1844)
Modiolus adriaticus (Lamarck, 1819)
Modiolus americanus (Leach, 1815)
Modiolus barbatus
Modiolus capax (Conrad, 1837)
Modiolus carpenteri Soot-Ryen, 1963
Modiolus demissus
Modiolus eiseni Strong and Hertlein, 1937
Modiolus modiolus (Linnaeus, 1758)
Modiolus neglectus Soot-Ryen, 1955
Modiolus phaseolinus
Modiolus rectus (Conrad, 1837)
Modiolus sacculifer (S. S. Berry, 1953)
Modulus calusa Petuch, 1988
Modulus carchedonius (Lamarck, 1822)
Modulus catenulatus (Philippi, 1849)
Modulus cerodes (A. Adams, 1851)
Modulus disculus Philippi, 1846
Modulus floridanus Conrad, 1869
Modulus kaicherae Petuch, 1987
Modulus lindae Petuch, 1987
Modulus modulus (Linnaeus, 1758)
Modulus pacei Petuch, 1987
Moelleria costulata (Moller, 1842)
Moelleria drusiana Dall, 1919
Moelleria quadrae Dall, 1897
Moelleriopsis abyssicola Bush, 1897
Moelleriopsis sincera (Dall, 1890)
Mohavelix micrometalleus (S. S. Berry, 1930)
Mohnia corbis (Dall, 1913)
Mohnia danielsseni (Friele, 1879)
Mohnia exquisita (Dall, 1913)
Mohnia freilei (Dall, 1891)
Mohnia hispidulus (Verrill, 1884)
Mohnia mohni Friele, 1879
Mohnia parva (A. E. Verrill and S. Smith, 1882)
Mohnia simplex (A. E. Verrill, 1884)
Mohnia siphonoidea (Dall, 1913)
Monacha cantiana (Montagu, 1803)
Monadenia callipeplus S. S. Berry, 1940
Monadenia chaceana S. S. Berry, 1940
Monadenia churchi Hanna and A. G. Smith, 1933
Monadenia circumcarinata (Stearns, 1879)
Monadenia cristulata S. S. Berry, 1940
Monadenia fidelis (J. E. Gray, 1834)
Monadenia hillebrandi (Newcomb, 1864)
Monadenia infumata (Gould, 1855)
Monadenia marmarotis S. S. Berry, 1940
Monadenia mormonum (Pfeiffer, 1857)
Monadenia rotifer S. S. Berry, 1940
Monadenia scottiana S. S. Berry, 1940
Monadenia setosa Talmadge, 1952
Monadenia troglodytes Hanna and A. G. Smith, 1933
Monadenia tuolumneana S. S. Berry, 1955
Monadenia yosemitensis (Lowe, 1916)
Moncetia anceyi Bourguignat, 1886
Monia patelliformis
Monia squama
Monocondylaea corrientesensis (d'Orbigny, 1835)
Monocondylaea costulata (Moricand, 1858)
Monocondylaea franciscana (Moricand, 1837)
Monocondylaea guarayana (d'Orbigny, 1835)
Monocondylaea jaspidea (Hupé, 1857)
Monocondylaea minuana (d'Orbigny, 1835)
Monocondylaea paraguayana (d'Orbigny, 1835)
Monocondylaea parchappii (d'Orbigny, 1835)
Monodonta lineata
Monostiolum tesselatum (Reeve, 1844)
Montacuta dawsoni Jeffreys, 1864
Montacuta donacina (S. V. Wood, 1802)
Montacuta elevata
Montacuta ferruginosa
Montacuta limpida Dall, 1899
Montacuta minuscula Dall, 1899
Montacuta percompressa Dall, 1899
Montacuta planata
Montacuta substriata (Montagu, 1808)
Montacuta voringi Friele, 1877
Mopalia acuta (Carpenter, 1855)
Mopalia ciliata (G. B. Sowerby II, 1840)
Mopalia cirrata S. S. Berry, 1919
Mopalia egretta S. S. Berry, 1919
Mopalia ferreirai R. N. Clark, 1991
Mopalia hindsii (Reeve, 1847)
Mopalia imporcata Carpenter, 1864
Mopalia laevior Pilsbry, 1918
Mopalia lignosa (Gould, 1846)
Mopalia lionotus Pilsbry, 1918
Mopalia lowei Pilsbry, 1918
Mopalia muscosa (Gould, 1846)
Mopalia phorminx S. S. Berry, 1919
Mopalia porifera Pilsbry, 1893
Mopalia recurvans Barnawell, 1960
Mopalia sinuata Carpenter, 1864
Mopalia spectabilis G. I. M. Cowan and I. M. Cowan, 1977
Mopalia swanii Carpenter, 1864
Moroteuthis ingens (Smith, 1881)
Moroteuthis knipovitchi Filippova, 1972
Moroteuthis lonnbergii Ishikawa and Wakiya, 1914
Moroteuthis robsoni Adam, 1962
Moroteuthis robusta (Verrill, 1876)
Morrisonella pacifica (Dall, 1908)
Morula didyma (Schwengel, 1943)
Morum dennisoni (Reeve, 1842)
Morum lamarcki (Deshayes, 1844)
Morum oniscus (Linnaeus, 1767)
Mourgona germaineae Er. Marcus and Ev. Marcus, 1970
Mucronalia nidorum
Mulinia cleryana (d'Orbigny, 1846)
Mulinia lateralis (Say, 1822)
Murchisonella tampaensis (Bartsch, 1947)
Murex beauii Fischer and Bernardi, 1857
Murex cellulosa Conrad, 1846
Murex ciboney Clench and Farfante, 1945
Murex formosus Sowerby, 1841
Murex fulvescens Sowerby, 1834
Murex glyptus (M. Smith, 1938)
Murex hidalgoi Crosse, 1869
Murex leviculus (Dall, 1889)
Murex recurvirostris Broderip, 1833
Murexiella glypta (M. Smith, 1938)
Murexiella hidalgoi (Crosse, 1869)
Murexiella kalafuti Petuch, 1987
Murexiella levicula (Dall, 1889)
Murexiella macgintyi (M. Smith, 1938)
Murexiella taylorae Petuch, 1987
Murexsul emipowlusi (Abbott, 1954)
Muricantharus harasewychi Petuch, 1987
Muricopsis caribbaea (Bartsch and Rehder, 1939)
Muricopsis oxytata (M. Smith, 1938)
Musculista senhousia (Benson, 1842)
Musculium lacustre (Muller, 1774)
Musculium partumeium (Say, 1822)
Musculium securis (Prime, 1852)
Musculium transversum (Say, 1829)
Musculus corrugatus (Stimpson, 1851)
Musculus costulatus
Musculus cultellus (Deshayer, 1839)
Musculus discors (Linnaeus, 1767)
Musculus glacialis (Leche, 1883)
Musculus impressus (Dall, 1907)
Musculus japonica
Musculus lacustre Muller
Musculus lateralis (Say, 1822)
Musculus marmoratus (Forbes, 1838)
Musculus niger (J. E. Gray, 1824)
Musculus olivaceus Dall, 1916
Musculus partumetum
Musculus phenax (Dall, 1915)
Musculus pygmaeus Glynn, 1964
Musculus securis Prime
Musculus seminudus (Dall, 1897)
Musculus senhousei (Benson, 1842)
Musculus taylori (Dall, 1897)
Musculus vernicosus (Middendorff, 1849)
Mutela alata (Lea, 1864)
Mutela alluaudi Germain, 1909
Mutela bourguignati Bourguignat, 1885
Mutela dubia (Gmelin, 1791)
Mutela franci Daget, 1964
Mutela hargeri E.A. Smith, 1908
Mutela joubini (Germain, 1904)
Mutela langi Pilsbry & Bequaert, 1927
Mutela legumen (Rochebrune, 1886)
Mutela mabilli (Rochebrune, 1886)
Mutela rostrata (Rang, 1835)
Mutela soleniformis Bourguignat, 1885
Mutela wistarmorrisi Graf & Cummings, 2006
Mutela zambesiensis Mandahl-Barth, 1988
Mya arenaria Linnaeus, 1758
Mya baxteri Coan and Scott, 1997
Mya elegans (Eichwald, 1871)
Mya japonica Jay, 1856
Mya priapus (Tilesius, 1822)
Mya profundior Grant and Gale, 1931
Mya pseudoarenaria Schlesch, 1931
Mya truncata Linnaeus, 1758
Mya uzenensis Nomura and Zimbo, 1937
Mycetopoda legumen (Martens, 1888)
Mycetopoda pittieri Marshall, 1927
Mycetopoda siliquosa (Spix & Wagner, 1827)
Mycetopoda soleniformis d'Orbigny, 1835
Mycetopodella falcata (Higgins, 1868)
Myonera garretti
Myonera lamellifera (Dall, 1881)
Myonera limatula (Dall, 1881)
Myonera paucistriata Dall, 1886
Myonera ruginosa (Jeffereys, 1881)
Myonera tillamookensis Dall, 1916
Myosotella myosotis (Draparnaud, 1801)
Myotophallus rooseveltianus (S. S. Berry, 1917)
Myrtea compressa (Dall, 1881)
Myrtea lens (A. E. Verrill and S. Smith, 1880)
Myrtea pristiphora Dall and Simpson, 1901
Myrtea sagrinata (Dall, 1886)
Myrtea spinifera Montagu, 1803
Mysella aleutica Dall, 1899
Mysella beringensis (Dall, 1916)
Mysella bidentata
Mysella casta (A. E. Verrill and Bush, 1898)
Mysella compressa (Dall, 1913)
Mysella dawsoni (Jeffreys, 1864)
Mysella golischi (Dall, 1916)
Mysella grebnitzkii (Dall, 1916)
Mysella grippi (Dall, 1912)
Mysella moelleri (Morch, 1875)
Mysella ovata (Jeffreys, 1881)
Mysella pedroana Dall, 1899
Mysella planata (Krause, 1885)
Mysella planulata (Stimpson, 1851)
Mysella sovialiki
Mysella striatula A. E. Verrill and Bush, 1898
Mysella triquetra (A. E. Verrill and Bush, 1898)
Mysella tumida (Carpenter, 1864)
Mysella tumidula (Jeffreys, 1866)
Mysia undata (Pennant, 1777)
Mysouffa cumingii (A. Adams, 1855)
Mytilimeria nuttalli Conrad, 1837
Mytilopsis domininguensis Recluz, 1852
Mytilopsis leucophaeata (Conrad, 1831)
Mytilopsis sallei (Recluz, 1849)
Mytilus californianus Conrad, 1837
Mytilus chilensis Hupé, 1854
Mytilus edulis Linnaeus, 1758
Mytilus galloprovincialis Lamarck, 1819
Mytilus trossulus Gould, 1850
Naesiotus christenseni (W. B. Miller and Reeder, 1984)
Naesiotus nigromontanus (Dall, 1897)
Namkongnaia inkhavilayi Jeratthitikul, Sutcharit, Ngor & Prasankok, 2021
Namkongnaia lemeslei (Morelet, 1875)
Nannodiella melanitica (Bush, 1885)
Nannodiella oxia (Bush, 1885)
Nannodiella vespuciana (d'Orbigny, 1842)
Nannoteretispira habei
Nannoteretispira japonica Habe, 1961
Nannoteretispira kelseyi (Bartsch, 1911)
Nanobalcis worsfoldi Waren, 1990
Nassaria spinigera (Hayashi and Habe, 1965)
Nassarina bushiae (Dall, 1889)
Nassarina glypta (Bush, 1885)
Nassarina grayi Dall, 1889
Nassarina metabrunnea Dall and Simpson, 1901
Nassarina minor (C. B. Adams, 1845)
Nassarina monilifera (Sowerby, 1844)
Nassarina penicillata (Carpenter, 1864)
Nassarius acutus (Say, 1822)
Nassarius albus (Say, 1826)
Nassarius angulicostis (Pilsbry and Lowe, 1932)
Nassarius antillarum (d'Orbigny, 1842)
Nassarius arcularius (Linnaeus, 1758)
Nassarius catallus (Dall, 1908)
Nassarius cerritensis (Arnold, 1903)
Nassarius consensus (Ravenel, 1861)
Nassarius crematus (Hinds, 1844)
Nassarius cremmatus
Nassarius delosi (Woodring, 1946)
Nassarius fossatus (Gould, 1850)
Nassarius fraterculus (Dunker, 1860)
Nassarius gallegosi Strong and Hertlein, 1937
Nassarius guaymasensis (Pilsbry and Lowe, 1932)
Nassarius hotessieri (d'Orbigny, 1845)
Nassarius howardae Chace, 1958
Nassarius incrassatus (Stroem, 1768)
Nassarius insculptus (Carpenter, 1864)
Nassarius iodes (Dall, 1917)
Nassarius limacinus (Dall, 1917)
Nassarius luteostoma Broderip and Sowerby, 1829
Nassarius mendicus (Gould, 1850)
Nassarius miser (Dall, 1908)
Nassarius moestus (Hinds, 1844)
Nassarius nanus
Nassarius nigrolabra (Verrill, 1880)
Nassarius obsoletus (Say, 1822)
Nassarius olomea Kay, 1979
Nassarius onchodes (Dall, 1917)
Nassarius pagodus (Reeve, 1844)
Nassarius papillosus (Gould, 1850)
Nassarius perpinguis (Hinds, 1844)
Nassarius polygonatus (Lamarck, 1822)
Nassarius pygmaeus Lamarck, 1822
Nassarius reticulatus (Linnaeus, 1758)
Nassarius rhinetes S. S. Berry, 1953
Nassarius scissuratus (Dall, 1889)
Nassarius shaskyi Mclean, 1970
Nassarius splendidulus (Dunker, 1846)
Nassarius tiarula (Kiener, 1841)
Nassarius trivittatus (Say, 1822)
Nassarius versicolor (C. B. Adams, 1852)
Nassarius vibex (Say, 1822)
Natica alapapilionis
Natica bougei
Natica castrensis Dall, 1889
Natica floridana (Rehder, 1943)
Natica gualteriana Récluz, 1844
Natica hilaris
Natica livida Pfeiffer, 1840
Natica marochiensis (Gmelin, 1791)
Natica perlineata Dall, 1889
Natica poliana
Natica pusilla Say, 1822
Natica sagraiana D'Orbigny, 1842
Natica tedbayeri Rehder, 1986
Naticarius canrena (Linnaeus, 1758)
Naticarius verae Rehder, 1947
Nausitora fusticula (Jeffreys, 1860)
Nautilus belauensis Saunders, 1981
Nautilus macromphalus Sowerby, 1848
Nautilus pompilius Linnaeus, 1758
Nautilus repertus Iredale, 1944
Nautilus stenomphalus Sowerby, 1848
Navanax aenigmaticus (Bergh, 1893)
Navanax inermis (J. G. Cooper, 1863)
Navanax polyalphos (Gosliner and Williams, 1972)
Neadmete modesta (Carpenter, 1864)
Neaeromya chacei (Dall, 1916)
Neaeromya compressa (Dall, 1899)
Neaeromya floridana (Dall, 1899)
Neaeromya myaciformis (Dall, 1916)
Neaeromya rugifera (Carpenter, 1864)
Neaeromya stearnsi (Dall, 1899)
Nearctula rowellii (Newcomb, 1860)
Nectoteuthis pourtalesi Verrill, 1883
Neilonela acinula (Dall, 1890)
Neilonela excisa (Philippi, 1841)
Neilonela pusio (Philippi, 1844)
Neilonela quadrangularis (Dall, 1881)
Nematolampas regalis Berry, 1913
Nematomenia arctica Thiele, 1913
Nematomenia banyulensis (Pruvot, 1890)
Nematomenia flavens (Pruvot, 1890)
Nematomenia incirrata
Nematomenia ptyalosa
Nematomenia tegulata
Nematomenia triglandulata
Nembrotha divae Marcus, 1958
Nembrotha eliora Marcus and Marcus, 1967
Nembrotha gratiosa Bergh, 1890
Nemocardium centifilosum (Carpenter, 1864)
Nemocardium peramabile (Dall, 1881)
Nemocardium tinctum (Dall, 1881)
Nemocardium transversum Rehder and Abbott, 1951
Neoberingius frielei (Dall, 1895)
Neodrillia cydia Bartsch, 1943
Neohelix albolabris (Say, 1817)
Neohelix alleni (Sampson, 1883)
Neohelix dentifera (A. Binney, 1837)
Neohelix divesta (Gould, 1848)
Neohelix lioderma (Pilsbry, 1902)
Neohelix major (A. Binney, 1837)
Neohelix solemi Emberton, 1988
Neolepton obliquatum (Chaster, 1897)
Neolepton sulcatulum (Jeffreys, 1859)
Neomenia carinata Tullberg, 1875
Neomenia grandis
Neomenia herwigi
Neopilina galatheae
Neoplanorbis carinatus Walker, 1908
Neoplanorbis smithi Walker, 1908
Neoplanorbis tantillus Pilsbry, 1906
Neoplanorbis umbilicatus Walker, 1908
Neopleurotomoides callembyron (Dautzenberg and Fischer, 1896)
Neopycnodonte cochlear (Poli, 1795)
Neorossia caroli (Joubin, 1902)
Neorossia leptodons Reid, 1992
Neosimnia advena (Cate, 1978)
Neosimnia aequalis (G. B. Sowerby II, 1832)
Neosimnia avena (G. B. Sowerby II, 1832)
Neosimnia barbarensis (Dall, 1892)
Neosimnia bellamaris S. S. Berry, 1946
Neosimnia bijuri (Cate, 1976)
Neosimnia loebbeckeana (Weinkauff, 1881)
Neosimnia spelta Linnaeus, 1758
Neoteuthis thielei Naef, 1921
Neotrapezium liratum (Reeve, 1843)
Nephritica haricotti (Frierson, 1927)
Nephritica poeyana (Lea, 1857)
Nephronaias aeruginosa (Morelet, 1849)
Nephronaias aztecorum (Philippi, 1847)
Nephronaias calamitarum (Morelet, 1849)
Nephronaias championi (Martens, 1900)
Nephronaias copanensis (Martens, 1900)
Nephronaias dysonii (Lea, 1859)
Nephronaias goascoranensis (Lea, 1858)
Nephronaias gundlachi (Dunker, 1858)
Nephronaias hermanni (Haas, 1929)
Nephronaias hjalmarsoni (Dunker, 1858)
Nephronaias lempensis Marshall, 1926
Nephronaias macnielii (Lea, 1869)
Nephronaias mellea (Lea, 1859)
Nephronaias oregonensis (Lea, 1852)
Nephronaias plicatula (Küster, 1856)
Nephronaias ravistella (Morelet, 1849)
Nephronaias rowellii (Lea, 1859)
Nephronaias rugulosa (Küster, 1856)
Nephronaias sajensis (Frierson, 1927)
Nephronaias scamnata (Morelet, 1849)
Nephronaias sphenorhyncha (Crosse & Fischer, 1893)
Nephronaias tabascoensis (Küster, 1856)
Nephronaias tempisquensis Pilsbry, 1920
Nephronaias yzabalensis (Crosse & Fischer, 1892)
Nepotilla amoena (G. O. Sars, 1878)
Neptunea amianta (Dall, 1890)
Neptunea antiqua (Linnaeus, 1758)
Neptunea beringiana (Middendorff, 1848)
Neptunea brevicauda (Deshayes, 1832)
Neptunea communis (Middendorff, 1848)
Neptunea despecta (Linnaeus, 1758)
Neptunea eulimata (Dall, 1907)
Neptunea heros (J. E. Gray, 1850)
Neptunea insularis (Dall, 1895)
Neptunea ithia (Dall, 1891)
Neptunea lyrata (Gmelin, 1791)
Neptunea middendorffiana MacGinitie, 1959
Neptunea oncodes (Dall, 1907)
Neptunea phoenicea (Dall, 1891)
Neptunea pribiloffensis (Dall, 1919)
Neptunea smirnia (Dall, 1919)
Neptunea tabulata (Baird, 1863)
Neptunea taphria (Dall, 1891)
Neptunea varicifera (Dall, 1907)
Neptunea ventricosa (Gmelin, 1791)
Neptunea vinosa (Dall, 1919)
Nerita fulgurans Gmelin, 1791
Nerita funiculata Menke, 1851
Nerita peloronta Linnaeus, 1758
Nerita scabricosta Lamarck, 1822
Nerita tessellata Gmelin, 1791
Nerita versicolor Gmelin, 1791
Neritina cariosa (Wood, 1828)
Neritina clenchi Russell, 1940
Neritina granosa Sowerby, 1825
Neritina luteofasciatus (Miller, 1879)
Neritina meleagris Lamarck, 1822
Neritina pulligera (Linnaeus, 1758)
Neritina reclivata (Say, 1822)
Neritina usnea (Roding, 1798)
Neritina vespertina Sowerby, 1849
Neritina virginea (Linnaeus, 1758)
Nesovitrea binneyana (E. S. Morse, 1864)
Nesovitrea dalliana (Pilsbry and Simpson, 1889)
Nesovitrea electrina (Gould, 1841)
Nesovitrea suzannae Pratt, 1978
Nesta atlantica Farfante, 1947
Nesta candida (H. Adams,, 1879)
Nesta galapagensis J. Mclean, 1970
Netastoma japonicum (Yokoyama, 1920)
Netastoma rostratum (Valenciennes, 1846)
Nettastomella darwini (Sowerby, 1849)
Neverita duplicata (Say, 1822)
Neverita politiana (Dall, 1919)
Neverita reclusiana (Deshayes, 1839)
Nierstrassia fragile
Nipponolimopsis decussata (A. Adams, 1862)
Nipponotrophon fabricii (Muller, 1842)
Nipponotrophon lasius (Dall, 1919)
Nipponotrophon scitulus (Dall, 1891)
Niso aeglees Bush, 1885
Niso attilioi (C. M. Hertz and J. Hertz, 1982)
Niso hendersoni Bartsch, 1953
Niso hipolitensis Bartsch, 1917
Niso lomana Bartsch, 1917
Niso tricolor Dall, 1889
Nitia acuminata (H. Adams, 1866)
Nitia chefneuxi (Neuville & Anthony, 1906)
Nitia monceti (Bourguignat, 1883)
Nitia mutelaeformis (Germain, 1906)
Nitia teretiuscula (Philippi, 1847)
Nitidella carinata Hinds, 1844
Nitidella gausapata Gould, 1850
Nitidella gouldi (Carpenter, 1857)
Nitidella laevigata (Linnaeus, 1758)
Nitidella moleculina Duclos, 1840
Nitidella nitida (Lamarck, 1822)
Nitidella parva Dunker, 1847
Nitidiscala berryi (Dall, 1907)
Nitidiscala caamanoi (Dall and Bartsch, 1910)
Nitidiscala californica (Dall, 1917)
Nitidiscala catalinae (Dall, 1908)
Nitidiscala catalinensis (Dall, 1917)
Nitidiscala hindsii (Carpenter, 1856)
Nitidiscala indianorum (Carpenter, 1864)
Nitidiscala sawinae (Dall, 1903)
Nitidiscala tincta (Carpenter, 1864)
Niveotectura funiculata (Carpenter, 1864)
Niveria antillarum (Schilder, 1922)
Niveria candidula (Gaskoin, 1836)
Niveria leucosphaera Schilder, 1931
Niveria nix (Schilder, 1922)
Niveria pediculus (Linnaeus, 1758)
Niveria quadripunctata (J. E. Gray, 1827)
Niveria suffusa (J. E. Gray, 1827)
Nodilittorina angustior (Morch, 1876)
Nodilittorina dilatata (d'Orbigny, 1842)
Nodilittorina meleagris (Potiez and Michaud, 1838)
Nodilittorina mespillum (Megerle von Muhlfeld, 1824)
Nodilittorina pyramidalis (Quoy and Gaimard, 1833)
Nodilittorina riisei (Morch, 1876)
Nodilittorina tuberculata (Menke, 1828)
Nodilittorina ziczac (Gmelin, 1791)
Nodipecten nodosus (Linnaeus, 1758)
Nodipecten subnodosus (G. B. Sowerby I, 1835)
Nodiscala spongiosa (Carpenter, 1864)
Nodotoma impressa (Morch, 1869)
Nodularia breviconcha Lee, Kim, Bogan & Kondo in Lopes-Lima et al., 2020
Nodularia diespiter (Mabille, 1887)
Nodularia dorri (Wattebled, 1886)
Nodularia douglasiae (Griffith & Pidgeon, 1833)
Nodularia gladiator (Ancey, 1881)
Nodularia jourdyi (Morlet, 1886)
Nodularia micheloti (Morlet, 1886)
Nodularia nipponensis (Martens, 1877)
Nodularia nuxpersicae (Dunker, 1848)
Nodularia persculpta Haas, 1910
Nodulotrophon dalli (Kobelt, 1878)
Noetia ponderosa (Say, 1822)
Norrisia norrisi (G. B. Sowerby II, 1838)
Notarchus punctatus Philippi, 1836
Notoacmea dipicta (Hinds, 1842)
Notoacmea fenestrata (Reeve, 1855)
Notoacmea insessa (Hinds, 1842)
Notoacmea paleacea (Gould, 1853)
Notoacmea persona (Rathke, 1833)
Notoacmea scutum (Rathke, 1833)
Notoacmea testudinalis (Muller, 1776)
Notobranchaea macdonaldi Pelseneer, 1886
Notobryon wardi
Notocrater craticulata (Suter, 1908)
Notogillia sathon F. G. Thompson, 1969
Notogillia wetherbyi (Dall, 1885)
Nototeredo knoxi (Bartsch, 1917)
Nototeredo norvagicus (Spengler, 1792)
Nototeuthis dimegacotyle Nesis and Nikitina, 1986
Nototodarus gouldi (McCoy, 1888)
Nototodarus hawaiiensis (Berry, 1912)
Nototodarus sloanii (Gray, 1849)
Noumeaella rubrofasciata Gosliner, 1991
Novisuccinea chittenangoensis (Pilsbry, 1908)
Novisuccinea ovalis (Say, 1817)
Noyo intersessa (Roth, 1987)
Nucella canaliculata (Duclos, 1832)
Nucella emarginata (Deshayes, 1839)
Nucella lamellosa (Gmelin, 1791)
Nucella lapillus (Linnaeus, 1758)
Nucella lima (Gmelin, 1791)
Nucinella adamsi (Dall, 1898)
Nucula aegeensis Jeffreys, 1879
Nucula annulata Hampson, 1971
Nucula atacellana Schenck, 1939
Nucula calcicola Moore, 1977
Nucula cancellata Meek and Hayden, 1856
Nucula cardara Dall, 1916
Nucula carlottensis Dall, 1897
Nucula chrysocome
Nucula crenulata A. Adams, 1856
Nucula cymella Dall, 1886
Nucula darella Dall, 1916
Nucula delphinodonta Mighels and C. B. Adams, 1842
Nucula exigua G. B. Sowerby I, 1833
Nucula fernandinae Dall, 1927
Nucula granulosa Verrill, 1884
Nucula groenlandica Posselt, 1898
Nucula hanleyi
Nucula nitidosa Winckworth, 1930
Nucula nucleus Linnaeus, 1758
Nucula proxima Say, 1822
Nucula subovata Verrill and Bush, 1898
Nucula sulcata Bronn, 1831
Nucula tumidula (Malm, 1860)
Nucula turgida
Nucula zophos A. H. Clark, 1960
Nuculana acuta (Conrad, 1832)
Nuculana amiata (Dall, 1916)
Nuculana aspecta (Dall, 1927)
Nuculana bipennis (Dall, 1927)
Nuculana callimene (Dall, 1908)
Nuculana carpenteri (Dall, 1881)
Nuculana caudata (Donovan, 1801)
Nuculana cellulita (Dall, 1896)
Nuculana cestrota (Dall, 1889)
Nuculana concentrica (Say, 1824)
Nuculana conceptionis (Dall, 1896)
Nuculana crenulata (A. Adams, 1856)
Nuculana dalli Krause, 1885
Nuculana elenensis (G. B. Sowerby I, 1833)
Nuculana extenuata (Dall, 1897)
Nuculana gomphoidea (Dall, 1916)
Nuculana hamata (Carpenter, 1864)
Nuculana jacksoni (Gould, 1841)
Nuculana jamaicensis (d'Orbigny, 1842)
Nuculana leonina (Dall, 1896)
Nuculana liogona (Dall, 1916)
Nuculana messanensis (Sequenza, 1877)
Nuculana minuta (Muller, 1776)
Nuculana navisa (Dall, 1916)
Nuculana orixa (Dall, 1927)
Nuculana ornata
Nuculana oxia (Dall, 1916)
Nuculana parva (G. B. Sowerby I, 1833)
Nuculana penderi (Dall and Bartsch, 1910)
Nuculana pernula (Müller, 1779)
Nuculana platessa
Nuculana radiata (Krause, 1885)
Nuculana spargana (Dall, 1916)
Nuculana subaequilatera (Jeffreys, 1879)
Nuculana tamara Gorbunov, 1946
Nuculana taphria (Dall, 1896)
Nuculana tenuisulcata (Couthouy, 1838)
Nuculana verrilliana (Dall, 1886)
Nuculoma corbuloides (Moller, 1842)
Nutricola confusa (S. Gray, 1982)
Nutricola cymata (Dall, 1913)
Nutricola lordi (Baird, 1863)
Nutricola ovalis (Dall, 1902)
Nutricola tantilla (Gould, 1853)
Nuttallia nuttallii (Conrad, 1837)
Nuttallia obscurata (Reeve, 1857)
Nuttallina californica (Reeve, 1847)
Nyassunio nyassaensis (Lea, 1864)
Nyassunio ujijiensis (Crosse, 1881)
Nyeinchanconcha nyeinchani Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Nystiella atlantis Clench and Turner, 1952
Nystiella concava (Dall, 1889)
Nystiella formosissima (Jeffreys, 1884)
Nystiella pyrrhias (Watson, 1886)
Obesotoma artica (A. Adams, 1855)
Obesotoma japonica
Obesotoma lawrenciana (Dall, 1919)
Obesotoma miona (Dall, 1919)
Obesotoma robusta (Packard, 1867)
Obesotoma schantarica (Middendorff, 1849)
Obesotoma simplex (Middendorff, 1849)
Obesotoma tenuilirata (Dall, 1871)
Obesotoma woodiana (Moller, 1842)
Obliquaria reflexa Rafinesque, 1820
Obovalis omiensis (Heimburg, 1884)
Obovaria arkansasensis (Lea, 1862)
Obovaria choctawensis (Athearn, 1964)
Obovaria haddletoni (Athearn, 1964)
Obovaria olivaria (Rafinesque, 1820)
Obovaria retusa (Lamarck, 1819)
Obovaria subrotunda (Rafinesque, 1820)
Obovaria unicolor (Lea, 1845)
Oceanida graduata de Folin, 1870
Oceanida inglei Lyons, 1978
Ocenebra atropurpurea Carpenter, 1865
Ocenebra barbarensis (Gabb, 1865)
Ocenebra beta (Dall, 1919)
Ocenebra circumtexta Stearns, 1871
Ocenebra crispatissima S. S. Berry, 1953
Ocenebra emipowlusi Abbott, 1954
Ocenebra erinacea (Linnaeus, 1758)
Ocenebra foveolata (Hinds, 1844)
Ocenebra gracillima Stearns, 1871
Ocenebra grippi (Dall, 1911)
Ocenebra inornata (Recluz, 1851)
Ocenebra interfossa Carpenter, 1864
Ocenebra japonica Dunker, 1860
Ocenebra lurida (Middendorff, 1848)
Ocenebra minirosea Abbott, 1954
Ocenebra minor Dall, 1919
Ocenebra painei (Dall, 1903)
Ocenebra sclera
Ocenebra squamulifera (Carpenter and Gabb, 1869)
Ocenebra tracheia Dall, 1919
Ocenotrophon painei (Dall, 1903)
Ocinebrina atropurpurea (Carpenter, 1865)
Ocinebrina barbarensis (Gabb, 1865)
Ocinebrina beta (Dall, 1919)
Ocinebrina circumtexta (Stearns, 1871)
Ocinebrina emipowlusi (Abbott, 1954)
Ocinebrina foveolata (Hinds, 1844)
Ocinebrina gracillima (Stearns, 1871)
Ocinebrina grippi (Dall, 1911)
Ocinebrina inornata (Recluz, 1851)
Ocinebrina interfossa (Carpenter, 1864)
Ocinebrina lurida (Middendorff, 1848)
Ocinebrina minor (Dall, 1919)
Ocinebrina sclera (Dall, 1919)
Ocinebrina squamulifera (Carpenter, 1869)
Ocinebrina tracheia (Dall, 1919)
Octopoteuthis danae (Joubin, 1931)
Octopoteuthis deletron Young, 1972
Octopoteuthis indica Naef, 1923
Octopoteuthis longiptera Akimushkin, 1963
Octopoteuthis megaptera (Verrill, 1885)
Octopoteuthis nielseni (Robson, 1948)
Octopoteuthis rugosa Clarke, 1980
Octopoteuthis sicula Rüppell, 1844
Octopus abaculus Norman and Sweeney, 1997
Octopus aculeatus D'Orbigny, 1834 in Férussac and D'Orbigny, 1834-1848
Octopus adamsi Benham, 1944
Octopus aegina Gray, 1849
Octopus alatus (Sasaki, 1920)
Octopus alecto Berry, 1953
Octopus alpheus Norman, 1993
Octopus araneoides (Taki, 1964)
Octopus arborescens (Hoyle, 1904)
Octopus areolatus De Haan, 1839-1841 in Férussac and D'Orbigny, 1834-1848
Octopus aspilosomatis Norman, 1993
Octopus australis Hoyle, 1885
Octopus balboai Voss, 1971
Octopus berrima Stranks and Norman, 1993
Octopus bimaculatus Verrill, 1883
Octopus bimaculoides Pickford and McConnaughey, 1949
Octopus bocki Adam, 1941
Octopus briareus Robson, 1929
Octopus brocki Ortmann, 1888
Octopus bunurong Stranks, 1990
Octopus burryi Voss, 1950
Octopus californicus (Berry, 1911)
Octopus campbelli (Smith, 1902)
Octopus carolinensis Verrill, 1884
Octopus chierchiae Jatta, 1889
Octopus conispadiceus (Sasaki, 1917)
Octopus cordiformis Quoy and Gaimard, 1832
Octopus cyanea Gray, 1849
Octopus defilippi Verany, 1851
Octopus dierythraeus Norman, 1993
Octopus digueti Perrier and Rochebrune, 1894
Octopus exannulatus Norman, 1993
Octopus fangsiao D'Orbigny, 1839-1841 in Férussac and D'Orbigny, 1834-1848
Octopus favonius Gray, 1849
Octopus filamentosus Blainville, 1826
Octopus filosus Howell, 1867
Octopus fitchi Berry, 1953
Octopus fujitai (Sasaki, 1929)
Octopus gardineri (Hoyle, 1905)
Octopus globosus Appellöf, 1886
Octopus graptus Norman, 1993
Octopus guangdongenis Dong, 1976
Octopus hardwickei Gray, 1849
Octopus hattai (Sasaki, 1929)
Octopus hongkongensis Hoyle, 1885
Octopus horridus D'Orbigny, 1826
Octopus hubbsorum Berry, 1953
Octopus joubini Robson, 1929
Octopus kagoshimensis Ortmann, 1888
Octopus kaurna Stranks, 1990
Octopus kermadecensis (Berry, 1914)
Octopus lechenaultii D'Orbigny, 1826 in Férussac and D'Orbigny, 1834-1848
Octopus lobensis Castellanos and Menni, 1969
Octopus longispadiceus (Sasaki, 1917)
Octopus luteus (Sasaki, 1929)
Octopus macropus Risso, 1826
Octopus magnificus Villanueva et al., 1992
Octopus maorum Hutton, 1880
Octopus marginatus Taki, 1964
Octopus maya Voss and Solis Ramirez, 1966
Octopus membranaceus Quoy and Gaimard, 1832
Octopus mercatoris Adam, 1937
Octopus microphthalmus Goodrich, 1896
Octopus micropyrsus Berry, 1953
Octopus mimus Gould, 1852
Octopus minor (Sasaki, 1920)
Octopus mototi Norman, 1993
Octopus mutilans Taki, 1942
Octopus nanhaiensis Dong, 1976
Octopus nanus Adam, 1973
Octopus niveus Lesson, 1830 in 1830-1831
Octopus nocturnus Norman and Sweeney, 1997
Octopus occidentalis Steenstrup in Hoyle, 1886
Octopus ochotensis (Sasaki, 1920)
Octopus oculifer (Hoyle, 1904)
Octopus oliveri (Berry, 1914)
Octopus ornatus Gould, 1852
Octopus oshimai (Sasaki, 1929)
Octopus ovulum (Sasaki, 1917)
Octopus pallidus Hoyle, 1885
Octopus parvus (Sasaki, 1917)
Octopus penicillifer Berry, 1954
Octopus pentherinus Rochebrune and Mabille, 1889
Octopus polyzenia Gray, 1849
Octopus prashadi Adam, 1939
Octopus pricei (Berry, 1913)
Octopus pumilus Norman and Sweeney, 1997
Octopus rapanui Voss, 1979
Octopus robsoni Adam, 1941
Octopus roosevelti Stuart, 1941
Octopus rubescens Berry, 1953
Octopus salutii Verany, 1839
Octopus sanctaehelenae Robson, 1929
Octopus sasakii Taki, 1942
Octopus selene Voss, 1971
Octopus spinosus (Sasaki, 1920)
Octopus striolatus Dong, 1976
Octopus superciliosus Quoy and Gaimard, 1832
Octopus taprobanensis Robson, 1926
Octopus tehuelchus D'Orbigny, 1834 in 1834-1847
Octopus tenebricus Smith, 1884
Octopus tetricus Gould, 1852
Octopus tonganus Hoyle, 1885
Octopus tsugarensis (Sasaki, 1920)
Octopus validus (Sasaki, 1920)
Octopus varunae Oommen, 1971
Octopus veligero Berry, 1953
Octopus verrucosus Hoyle, 1885
Octopus vitiensis Hoyle, 1885
Octopus vulgaris Cuvier, 1797
Octopus warringa Stranks, 1990
Octopus winckworthi Robson, 1926
Octopus wolfi (Wülker, 1913)
Octopus yendoi (Sasaki, 1920)
Octopus zonatus Voss, 1968
Ocythoe tuberculata Rafinesque, 1814
Odostomella doliolum (Philippi, 1844)
Odostomia abbotti Olsson and McGinty, 1958
Odostomia acrybia Dall and Bartsch, 1909
Odostomia acutidens Dall, 1884
Odostomia aepynota Dall and Bartsch, 1909
Odostomia aequisculpta Carpenter, 1864
Odostomia aleutica Dall and Bartsch, 1909
Odostomia altina Dall and Bartsch, 1909
Odostomia americana Dall and Bartsch, 1904
Odostomia amiantus Dall and Bartsch, 1907
Odostomia amilda Dall and Bartsch, 1909
Odostomia angularis Dall and Bartsch, 1907
Odostomia arctica Dall and Bartsch, 1909
Odostomia astricta Dall and Bartsch, 1907
Odostomia atossa Dall, 1908
Odostomia attenuata (Dall, 1892)
Odostomia audoax
Odostomia avellana Carpenter, 1864
Odostomia babylonia (C. B. Adams, 1845)
Odostomia bachia Bartsch, 1927
Odostomia baldridgeae Bartsch, 1912
Odostomia barkleyensis Dall and Bartsch, 1910
Odostomia beauforti Jacot, 1921
Odostomia beringi Dall, 1871
Odostomia bruneri Verrill, 1882
Odostomia calcarella Bartsch, 1912
Odostomia callimene Bartsch, 1912
Odostomia callimorpha Dall and Bartsch, 1909
Odostomia calliope Bartsch, 1912
Odostomia canaliculata C. B. Adams, 1850
Odostomia cancellata D'Orbigny, 1842
Odostomia candida
Odostomia canfieldi Dall, 1908
Odostomia capitana Dall and Bartsch, 1909
Odostomia cassandra Bartsch, 1912
Odostomia catalinensis Bartsch, 1927
Odostomia chinooki Bartsch, 1927
Odostomia churchi A. G. Smith and M. Gordon, 1948
Odostomia cincta (Carpenter, 1864)
Odostomia ciquatonis
Odostomia clementensis Bartsch, 1927
Odostomia clementina Dall and Bartsch, 1909
Odostomia clessini Dall and Bartsch, 1909
Odostomia columbiana Dall and Bartsch, 1907
Odostomia conoidea (Brocchi, 1814)
Odostomia contrerasi Baker, Hanna, and Strong, 1928
Odostomia convexa
Odostomia cookeana Bartsch, 1910
Odostomia cumshewaensis Bartsch, 1921
Odostomia cypria Dall and Bartsch, 1912
Odostomia dealbata (Stimpson, 1851)
Odostomia delicatula Carpenter, 1864
Odostomia deliciosa Dall and Bartsch, 1907
Odostomia dicella Bartsch, 1912
Odostomia didyma (A. E. Verrill and Bush, 1900)
Odostomia dinella Dall and Bartsch, 1909
Odostomia disparilis Verrill, 1884
Odostomia dotella (Dall and Bartsch, 1909)
Odostomia dux Dall and Bartsch, 1906
Odostomia eburnea
Odostomia edmondi Jordan, 1920
Odostomia eldorana Bartsch, 1912
Odostomia elsa Dall and Bartsch, 1909
Odostomia emeryi
Odostomia engbergi Bartsch, 1920
Odostomia engonia Bush, 1885
Odostomia enora Dall and Bartsch, 1909
Odostomia esilda Dall and Bartsch, 1909
Odostomia eucosmia Dall and Bartsch, 1909
Odostomia eugena Dall and Bartsch, 1909
Odostomia euglypta Jordan, 1920
Odostomia exara Dall and Bartsch, 1907
Odostomia excisa Bartsch, 1912
Odostomia excolpa Bartsch, 1912
Odostomia eyerdami Bartsch, 1927
Odostomia farallonensis Dall and Bartsch, 1909
Odostomia farma Dall and Bartsch, 1909
Odostomia fernandina (Bartsch In Dall, 1927)
Odostomia fetella Dall and Bartsch, 1909
Odostomia fia Bartsch, 1927
Odostomia floridana (Bartsch In Dall, 1927)
Odostomia franciscana Bartsch, 1917
Odostomia gabrielensis
Odostomia georgiana (Bartsch In Dall, 1927)
Odostomia gloriosa Bartsch, 1912
Odostomia gouldii Carpenter, 1864
Odostomia gracilientis (Keep, 1887)
Odostomia gravida Gould, 1853
Odostomia grijalvae Baker, Hanna, and Strong, 1928
Odostomia grippiana Bartsch, 1912
Odostomia hagemeisteri Dall and Bartsch, 1909
Odostomia harfordensis Dall and Bartsch, 1907
Odostomia havanensis Pilsbry and Aguayo, 1933
Odostomia heathi A. G. Smith and M. Gordon, 1948
Odostomia helena Bartsch, 1912
Odostomia helga Dall and Bartsch, 1909
Odostomia hemphilli Dall and Bartsch, 1909
Odostomia hendersoni Bartsch, 1909
Odostomia herilda Dall and Bartsch, 1909
Odostomia heterocincta Bartsch, 1912
Odostomia hypatia Dall and Bartsch, 1912
Odostomia hypocurta Dall and Bartsch, 1909
Odostomia iliuliukensis Dall and Bartsch, 1909
Odostomia inflata Carpenter, 1864
Odostomia jadisi Olsson and McGinty, 1958
Odostomia kadiakensis Dall and Bartsch, 1909
Odostomia kelseyi Bartsch, 1912
Odostomia kennerleyi Dall and Bartsch, 1907
Odostomia killisnooensis Dall and Bartsch, 1909
Odostomia krausei Clessin, 1900
Odostomia laevigata (d'Orbigny, 1842)
Odostomia lastra Dall and Bartsch, 1909
Odostomia laxa Dall and Bartsch, 1909
Odostomia martensi Dall and Bartsch, 1906
Odostomia martinensis
Odostomia mendozae Baker, Hanna, and Strong, 1928
Odostomia modesta Stimpson, 1851
Odostomia moratora Dall and Bartsch, 1909
Odostomia movilla Dall and Bartsch, 1909
Odostomia navarettei Baker, Hanna, and Strong, 1928
Odostomia navisa Dall and Bartsch, 1907
Odostomia nemo Dall and Bartsch, 1909
Odostomia nivosa
Odostomia nota Dall and Bartsch, 1909
Odostomia notilla Dall and Bartsch, 1909
Odostomia nuciformis Carpenter, 1864
Odostomia nunivakensis Dall and Bartsch, 1909
Odostomia oregonensis Dall and Bartsch, 1907
Odostomia ornatissima (Haas, 1943)
Odostomia peasei
Odostomia pesa Dall and Bartsch, 1909
Odostomia phanella Dall and Bartsch, 1909
Odostomia pharcida Dall and Bartsch, 1907
Odostomia plicata (Montagu, 1803)
Odostomia pocahontasae J. B. Henderson and Bartsch, 1914
Odostomia porteri Baker, Hanna, and Strong, 1928
Odostomia pratoma Dall and Bartsch, 1909
Odostomia producta (C. B. Adams, 1840)
Odostomia profundicola Dall and Bartsch, 1909
Odostomia promeces
Odostomia pulcherrima Dall and Bartsch, 1909
Odostomia pulcia Dall and Bartsch, 1909
Odostomia quadrae Dall and Bartsch, 1910
Odostomia quinquecincta (Carpenter, 1856)
Odostomia resina Dall and Bartsch, 1909
Odostomia richi Dall and Bartsch, 1909
Odostomia ritteri Dall and Bartsch, 1909
Odostomia ryalea Bartsch In Dall, 1927
Odostomia ryclea Bartsch In Dall, 1927
Odostomia sanctorum Dall and Bartsch, 1909
Odostomia sanjuanensis Bartsch, 1920
Odostomia sapia Dall and Bartsch, 1909
Odostomia satura Carpenter, 1864
Odostomia scalaris MacGillivray, 1843
Odostomia septentrionalis Dall and Bartsch, 1909
Odostomia sillana Dall and Bartsch, 1909
Odostomia sitkaensis Clessin, 1900
Odostomia skidegatensis Bartsch, 1912
Odostomia smithii A. E. Verrill, 1880
Odostomia somersi A. E. Verrill and Bush, 1900
Odostomia spreadboroughi Dall and Bartsch, 1910
Odostomia stearnsiella
Odostomia stephensae Dall and Bartsch, 1909
Odostomia striata (A. E. Verrill, 1880)
Odostomia strongi Bartsch, 1927
Odostomia subdotella Hertlein and Strong, 1951
Odostomia subglobosa Bartsch, 1912
Odostomia subturrita Dall and Bartsch, 1909
Odostomia sulcosa (Mighels, 1843)
Odostomia tacomaensis Dall and Bartsch, 1907
Odostomia talpa Dall and Bartsch, 1909
Odostomia tenuisculpta Carpenter, 1864
Odostomia teres Bush, 1885
Odostomia terryi Olsson and Mcginty, 1858
Odostomia thalia Bartsch, 1912
Odostomia thea Bartsch, 1912
Odostomia tornata A. E. Verrill, 1884
Odostomia toyatani
Odostomia trachis Dall and Bartsch, 1909
Odostomia tremperi Bartsch, 1927
Odostomia trifida (Totten, 1834)
Odostomia truncatula
Odostomia turricula Dall and Bartsch, 1903
Odostomia ulloana Strong, 1949
Odostomia unalaskensis Dall and Bartsch, 1909
Odostomia unidentata (Montagu, 1803)
Odostomia valdezi Dall and Bartsch, 1907
Odostomia valeroi
Odostomia vancouverensis Dall and Bartsch, 1910
Odostomia vicola Dall and Bartsch, 1909
Odostomia vincta Dall and Bartsch, 1909
Odostomia virginalis
Odostomia virginica J. B. Henderson and Bartsch, 1914
Odostomia vizcainoana Baker, Hanna, and Strong, 1928
Odostomia washingtonia Bartsch, 1920
Odostomia whitei Bartsch, 1927
Odostomia willetti Bartsch, 1917
Odostomia willisi Bartsch, 1909
Odostomia winkleyi Bartsch, 1909
Odostomia youngi Dall and Bartsch, 1910
Oenopota alaskensis (Dall, 1871)
Oenopota albrechti (Krause, 1885)
Oenopota aleutica (Dall, 1871)
Oenopota alitakensis (Dall, 1919)
Oenopota althorpensis (Dall, 1919)
Oenopota althorpi (Dall, 1919)
Oenopota amiantus (Dall, 1919)
Oenopota angulosus (G. O. Sars, 1878)
Oenopota arctica
Oenopota babylonius (Dall, 1919)
Oenopota beckii (Moller, 1842)
Oenopota bergensis (Friele, 1886)
Oenopota bicarinatus (Couthouy, 1839)
Oenopota blaneyi (Bush, 1909)
Oenopota cancellata (Mighels and C. B. Adams, 1842)
Oenopota chiachiana (Dall, 1919)
Oenopota cinerea (Moller, 1842)
Oenopota concinnulus (A. E. Verrill, 1882)
Oenopota crebricostata (Carpenter, 1864)
Oenopota decussatus (Couthouy, 1839)
Oenopota dictyophora Bouchet and Waren, 1980
Oenopota elegans (Moller, 1842)
Oenopota eriopis (Dall, 1919)
Oenopota exaratus (Moller, 1842)
Oenopota excurvata (Carpenter, 1864)
Oenopota exquisita (Bartsch, 1941)
Oenopota fidicula (Gould, 1849)
Oenopota fiora (Dall, 1919)
Oenopota galgana (Dall, 1919)
Oenopota gouldii (A. E. Verrill, 1882)
Oenopota granitica (Dall, 1919)
Oenopota graphica (Locard, 1897)
Oenopota harpa (Dall, 1885)
Oenopota harpularius (Couthouy, 1838)
Oenopota healyi (Dall, 1919)
Oenopota hebes (A. E. Verrill, 1880)
Oenopota impressa (Morch, 1869)
Oenopota incisulus (Verrill, 1882)
Oenopota inequita (Dall, 1919)
Oenopota inflata (Posselt and A. S. Jensen, 1898)
Oenopota krausei (Dall, 1886)
Oenopota kyskana (Dall, 1919)
Oenopota laevigatus (Dall, 1871)
Oenopota levidensis (Carpenter, 1864)
Oenopota lotta (Dall, 1919)
Oenopota luetkeni (Dall, 1919)
Oenopota lutkeana (Krause, 1885)
Oenopota maurellei (Dall and Bartsch, 1910)
Oenopota metschigmensis (Krause, 1885)
Oenopota mitrata (Dall, 1919)
Oenopota mitrula
Oenopota morchi (Leche, 1878)
Oenopota murdochiana (Dall, 1885)
Oenopota nazanensis (Dall, 1919)
Oenopota nodulosus (Krause, 1885)
Oenopota novajasemljensis (Leach, 1878)
Oenopota nunivakensis (Dall, 1919)
Oenopota obliqua (G. O. Sars, 1878)
Oenopota ovalis (Friele, 1877)
Oenopota pavlova (Dall, 1919)
Oenopota pingelii (Moller, 1842)
Oenopota pleurotomaria (Couthouy, 1838)
Oenopota popovius (Dall, 1919)
Oenopota pribilova (Dall, 1919)
Oenopota pusilla (A. E. Verrill, 1882)
Oenopota pyramidalis (Strom, 1788)
Oenopota pyrimidalis (Strom, 1788)
Oenopota rassimus (Dall, 1919)
Oenopota regulus (Dall, 1919)
Oenopota reticulatus (T. Brown, 1827)
Oenopota roseus (Loven, 1846)
Oenopota rufa (Montagu, 1803)
Oenopota sarsii (A. E. Verrill, 1880)
Oenopota scalaris (Moller, 1842)
Oenopota sculpturata (Dall, 1887)
Oenopota simplex (Middendorff, 1849)
Oenopota solida (Dall, 1887)
Oenopota subvitrea (A. E. Verrill, 1884)
Oenopota tabulata (Carpenter, 1864)
Oenopota tenuilirata
Oenopota tenuiliratus
Oenopota tenuissima (Dall, 1919)
Oenopota trevelliana (Turton, 1834)
Oenopota turricula (Montagu, 1803)
Oenopota violaceus (Mighels and C. B. Adams, 1842)
Oenopota woodianus (Moller, 1842)
Ogaridiscus subrupicola (Dall, 1877)
Okenia angelensis Lance, 1966
Okenia ascidicola M. P. Morse, 1972
Okenia aspera (Alder and Hancock, 1845)
Okenia cupella (Vogel and Schultz, 1970)
Okenia elegans (Leuckart, 1828)
Okenia impexa Er. Marcus, 1957
Okenia leachii (Alder and Hancock, 1854)
Okenia modesta A. E. Verrill, 1875
Okenia plana Baba, 1960
Okenia pulchella Alder and Hancock, 1854
Okenia quadricornis (Montagu, 1815)
Okenia sapelona Ev. Marcus and Er. Marcus, 1967
Okenia vancouverensis (O'Donoghue, 1921)
Okenia zoobotryon (Smallwood, 1910)
Oldroydia percrassa (Dall, 1894)
Olea hansineensis Agersborg, 1923
Oligyra orbiculata (Say, 1818)
Oliva bifasciata Kuster, 1878
Oliva bollingi Clench, 1937
Oliva reticularis Lamarck, 1810
Oliva richerti Kay, 1979
Oliva sayana Ravenel, 1834
Oliva scripta Lamarck, 1810
Olivella acteocina
Olivella alba (Marrat In Sowerby, 1871)
Olivella alectona (Duclos, 1835)
Olivella anazora (Duclos, 1835)
Olivella baetica Carpenter, 1864
Olivella biplicata (G. B. Sowerby I, 1825)
Olivella bullula (Reeve, 1850)
Olivella cymatilis S. S. Berry, 1963
Olivella dama (Wood, 1828)
Olivella dealbata (Reeve, 1850)
Olivella fimbriata
Olivella fletcherae S. S. Berry, 1958
Olivella floralia (Duclos, 1853)
Olivella fuscocincta Dall, 1889
Olivella gracilis (Broderip and Sowerby, 1828)
Olivella intorta Carpenter, 1857
Olivella inusta G. B. Sowerby III, 1915
Olivella lactea (Marrat, 1871)
Olivella lineolata
Olivella macgintyi Olsson, 1956
Olivella minuta (Link, 1807)
Olivella moorei Abbott, 1951
Olivella mutica (Say, 1822)
Olivella nivea (Gmelin, 1791)
Olivella parva T. S. Oldroyd, 1921
Olivella perplexa Olsson, 1956
Olivella petiolita (Duclos, 1835)
Olivella purpurata
Olivella pusilla (Marrat, 1871)
Olivella rosolina (Duclos, 1835)
Olivella rotunda Dall, 1889
Olivella rufifasciatus
Olivella semistriata (Gray, 1839)
Olivella sphoni Burch and Campbell, 1963
Olivella stegeri Olsson, 1956
Olivella steveni Burch and Campbell, 1963
Olivella strigata (Reeve, 1850)
Olivella tabulata Dall, 1889
Olivella tergina (Duclos, 1835)
Olivella thompsoni Olsson, 1956
Olivella verriauxii (Duclos, 1857)
Olivella walkeri S. S. Berry, 1958
Olivella watermani McGinty, 1940
Olivella zanoeta (Duclos, 1835)
Olivella zonalis (Lamarck, 1811)
Omalogyra atomus (Philippi, 1841)
Omalogyra densicostata (Jeffreys, 1884)
Omalogyra japonica
Omalogyra planorbis (Dall, 1927)
Ommastrephes bartramii (Lesueur, 1821)
Onchidella borealis Dall, 1871
Onchidella brattstroemi Ev. Marcus, 1978
Onchidella carpenteri (W. G. Binney, 1860)
Onchidella celtica (Forbes and Hanley, 1852)
Onchidella floridana (Dall, 1885)
Onchidella wah Ev. Marcus, 1978
Onchidiopsis corys Balch, 1910
Onchidiopsis glacialis (M. Sars, 1851)
Onchidiopsis hannai Dall, 1916
Onchidiopsis kingmaruensis Russell, 1942
Onchidoris aspersa (Adler and Henderson, 1842)
Onchidoris bilamellata (Linnaeus, 1767)
Onchidoris depressa (Alder and Hancock, 1842)
Onchidoris diademata (Gould, 1870)
Onchidoris grisea (Gould, 1870)
Onchidoris hystricina (Bergh, 1878)
Onchidoris inconspicua (Alder and Hancock, 1851)
Onchidoris muricata (Muller, 1776)
Onchidoris oblonga (Alder and Hancock, 1845)
Onchidoris sparsa (Alder and Hancock, 1846)
Onchidoris tenella (Gould, 1870)
Onoba aculeus (Gould, 1841)
Onoba alaskana (Dall, 1886)
Onoba aurivillii (Dall, 1887)
Onoba bakeri (Bartsch, 1910)
Onoba carpenteri (Weinkauff, 1885)
Onoba castanella (Dall, 1886)
Onoba cerinella Dall, 1887
Onoba dalli (Bartsch, 1927)
Onoba dimora (Bartsch, 1917)
Onoba exarata (Stimpson, 1851)
Onoba forresterensis (Willett, 1934)
Onoba kyskensis (Bartsch, 1911)
Onoba mighelsi (Stimpson, 1851)
Onoba muriei (Bartsch and Rehder, 1939)
Onoba palmeri (Dall, 1919)
Onoba pelagica (Stimpson, 1851)
Onoba semicostata (Montagu, 1803)
Onobops crassus (F. G. Thompson, 1968)
Onobops jacksoni (Bartsch, 1953)
Onychoteuthis banksii (Leach, 1817)
Onychoteuthis borealijaponicus Okada, 1927
Onychoteuthis compacta (Berry, 1913)
Onychoteuthis meridiopacifica Rancurel and Okutani, 1990
Onykia appellofi (Pfeffer, 1900)
Onykia carriboea Lesueur, 1821
Onykia indica Okutani, 1981
Onykia intermedia (Pfeffer, 1912)
Onykia platyptera (D'Orbigny, 1834 in 1834-1847)
Onykia rancureli Okutani, 1981
Onykia verrilli (Pfeffer, 1900)
Oocorys abyssorum (Verrill and Smith, 1884)
Oocorys barbouri Clench and Aguayo, 1939
Oocorys bartschi Rehder, 1943
Oocorys caribbaea Clench and Aguayo, 1939
Oocorys sulcata P. Fischer, 1883
Oocorys verrillii (Dall, 1889)
Opalia abbotti Clench and Turner, 1952
Opalia acus
Opalia andrewsii (A. E. Verrill, 1882)
Opalia aurifila (Dall, 1889)
Opalia borealis Keep, 1881
Opalia bullata (Carpenter, 1864)
Opalia burryi Clench and Turner, 1950
Opalia chacei Strong, 1937
Opalia crenata (Linnaeus, 1758)
Opalia crenatoides (Carpenter, 1864)
Opalia crosseana (Tapparone-canefri, 1876)
Opalia eolis Clench and Turner, 1950
Opalia espirita (Baker, Hanna, and Strong, 1930)
Opalia evicta De Boury, 1919
Opalia funiculata (Carpenter, 1857)
Opalia hotessieriana (d'Orbigny, 1842)
Opalia infrequens (C. B. Adams, 1852)
Opalia leeana (A. E. Verrill, 1883)
Opalia montereyensis (Dall, 1907)
Opalia pumilio (Morch, 1874)
Opalia retiporosa (Carpenter, 1864)
Opalia sanjuanensis (Lowe, 1932)
Opalia spongiosa (Carpenter, 1866)
Opalia tortilis (Watson, 1883)
Opalia watsoni (De Boury, 1911)
Opalia wroblewskii (Morch, 1876)
Opaliopsis atlantis (Clench and Turner, 1952)
Opaliopsis concava (Dall, 1889)
Opeas pumilum (Pfeiffer, 1840)
Opeas pyrgula Schmacker and Boettger, 1891
Ophiodermella cancellata (Carpenter, 1864)
Ophiodermella fancherae (Dall, 1903)
Ophiodermella halcyonis (Dall, 1908)
Ophiodermella inermis (Reeve, 1843)
Ophiodermella montereyensis Bartsch, 1944
Ophiodermella rhines (Dall, 1908)
Opisthoteuthis agassizii Verrill, 1883
Opisthoteuthis californiana Berry, 1949
Opisthoteuthis depressa Ijima and Ikeda, 1895
Opisthoteuthis extensa Thiele in Chun, 1915
Opisthoteuthis grimaldii (Joubin, 1903)
Opisthoteuthis japonica Taki, 1962
Opisthoteuthis medusoides Thiele in Chun, 1915
Opisthoteuthis persephone Berry, 1918
Opisthoteuthis philipii Oommen, 1976
Opisthoteuthis pluto Berry, 1918
Opisthoteuthis vossi Sanchez and Guerra, 1989
Orbitestella bastowi Gatliff, 1906
Orbitestella emeryi
Orbitestella regina
Oreohelix alpina (Elrod, 1901)
Oreohelix amariradix Pilsbry, 1934
Oreohelix anchana Gregg, 1953
Oreohelix barbata Pilsbry, 1905
Oreohelix californica S. S. Berry, 1931
Oreohelix carinifera Pilsbry, 1912
Oreohelix concentrata (Dall, 1896)
Oreohelix confragosa Metcalf, 1974
Oreohelix elrodi (Pilsbry, 1900)
Oreohelix eurekensis J. Henderson and Daniels, 1916
Oreohelix florida Pilsbry, 1939
Oreohelix grahamensis Gregg and W. B. Miller, 1974
Oreohelix hammeri Fairbanks, 1984
Oreohelix handi Pilsbry and Ferriss, 1918
Oreohelix haydeni (Gabb, 1869)
Oreohelix hemphilli (Newcomb, 1869)
Oreohelix hendersoni Pilsbry, 1912
Oreohelix houghi W. B. Marshall, 1929
Oreohelix howardi Jones, 1944
Oreohelix idahoensis (Newcomb, 1866)
Oreohelix intersum (Hemphill, 1890)
Oreohelix jaegeri S. S. Berry, 1931
Oreohelix jugalis (Hemphill, 1890)
Oreohelix junii Pilsbry, 1934
Oreohelix litoralis Crews and Metcalf, 1982
Oreohelix magdalenae Pilsbry, 1939
Oreohelix metcalfei Cockerell, 1905
Oreohelix nevadensis S. S. Berry, 1932
Oreohelix parawanensis Gregg, 1941
Oreohelix peripherica (Ancey, 1881)
Oreohelix pilsbryi Ferriss, 1917
Oreohelix pygmaea Pilsbry, 1913
Oreohelix socorroensis Pilsbry, 1905
Oreohelix strigosa (Gould, 1846)
Oreohelix subrudis (Reeve, 1854)
Oreohelix swopei Pilsbry and Ferriss, 1917
Oreohelix tenuistriata J. Henderson and Daniels, 1916
Oreohelix uinta Brooks, 1939
Oreohelix variabilis J. Henderson, 1929
Oreohelix vortex S. S. Berry, 1932
Oreohelix waltoni Solem, 1975
Oreohelix yavapai Pilsbry, 1905
Orinella vanhyningi Bartsch, 1944
Ornithoteuthis antillarum Adam, 1957
Ornithoteuthis volatilis (Sasaki, 1915)
Orobitella bakeri (Dall, 1916)
Orobitella californica (Dall, 1899)
Orobitella floridana (Dall, 1899)
Orobitella limpida (Dall, 1899)
Orobophana baldwini Ancey, 1904
Orobophana cookei Neal, 1934
Orobophana juddii Pilsbry and Cooke, 1908
Orobophana meineckei Neal, 1934
Orobophana stokesii Neal, 1934
Orobophana uberta Gould, 1847
Orthalicus floridensis Pilsbry, 1899
Orthalicus reses (Say, 1830)
Ortmanniana ligamentina (Lamarck, 1819)
Ortmanniana pectorosa (Conrad, 1834)
Ostrea conchaphila Carpenter
Ostrea cristata Born, 1778
Ostrea edulis Linnaeus, 1758
Ostrea lurida Carpenter, 1864
Ostrea megadon Hanley, 1846
Ostrea permollis G. B. Sowerby II, 1871
Ostrea sandvicensis G. B. Sowerby II, 1871
Ostrea stentina Payraudeau, 1826
Otala lactea (Muller, 1774)
Otina ovata (Brown, 1827)
Ovatella myosotis (Draparnaud, 1801)
Oxychilus alliarius (J. S. Miller, 1822)
Oxychilus cellarius (Muller, 1774)
Oxychilus draparnaudi (Beck, 1837)
Oxychilus helveticus (Blum, 1881)
Oxygyrus keraudrenii (Lesueur, 1817)
Oxyloma decampi (Tryon, 1866)
Oxyloma deprimidum Franzen, 1973
Oxyloma effusum (Pfeiffer, 1853)
Oxyloma groenlandicum (Moller, 1842)
Oxyloma hawkinsi (Baird, 1863)
Oxyloma haydeni (W. G. Binney, 1858)
Oxyloma kanabense Pilsbry, 1948
Oxyloma missoula Hubricht, 1982
Oxyloma nuttallianum (I. Lea, 1841)
Oxyloma peoriense (Wolf, 1894)
Oxyloma retusum (I. Lea, 1834)
Oxyloma salleanum (Pfeiffer, 1849)
Oxyloma sillimani (Bland, 1865)
Oxyloma subeffusum Pilsbry, 1948
Oxyloma verrilli (Bland, 1865)
Oxynoe antillarum Morch, 1863
Oxynoe azuropunctata K. R. Jensen, 1980
Pachynaias rugososulcata (Lea, 1866)
Pachynaias spheniopsis (Morelet, 1849)
Pachystremiscus ornatus (Olsson and McGinty, 1958)
Pachystremiscus pulchellus (Olsson and McGinty, 1958)
Paedoclione doliiformis Danforth, 1907
Paetulunio fabalis (Lea, 1831)
Palio dubia (M. Sars, 1829)
Palio nothus (Johnston, 1838)
Palio pallida Bergh, 1880
Palio zosterae (O'Donoghue, 1924)
Palisa kristenseni (Ev. Marcus and Er. Marcus, 1963)
Pallifera dorsalis (A. Binney, 1842)
Pallifera fosteri F. C. Baker, 1939
Pallifera hemphilli (W. G. Binney, 1885)
Pallifera marmorea Pilsbry, 1948
Pallifera megaphallica Grimm, 1961
Pallifera ohioensis (Sterki, 1908)
Pallifera pilsbryi C. D. Miles and Mead, 1960
Pallifera ragsdalei
Pallifera secreta (Cockerell, 1900)
Pallifera tournescalis Branson, 1968
Pallifera varia Hubricht, 1953
Palliolum furtivum (Loven, 1846)
Palliolum imbrifer (Loven, 1846)
Palliolum leptaleum (Verrill, 1884)
Palliolum reticulum (Dall, 1886)
Palliolum ringnesia
Palliolum striatum (Muller, 1776)
Palliolum subimbrifer (Verrill and Bush, 1897)
Palliolum tigerinum (O. F. Mueller, 1776)
Palliolum undatum
Panacca arata (A. E. Verrill and S. Smith, 1881)
Panacca loveni (Jeffreys, 1881)
Pandora arenosa Conrad, 1834
Pandora bilirata Conrad, 1855
Pandora bushiana Dall, 1886
Pandora cornuta C. B. Adams, 1852
Pandora filosa (Carpenter, 1864)
Pandora forresterensis Willett, 1918
Pandora glacialis Leach, 1819
Pandora gouldiana Dall, 1886
Pandora grandis Dall, 1877
Pandora granulata (Dall, 1915)
Pandora inaequivalvis (Linnaeus, 1758)
Pandora inflata Boss and Merrill, 1965
Pandora inornata A. E. Verrill and Bush, 1898
Pandora pinna (Montagu, 1803)
Pandora punctata Conrad, 1837
Pandora radiata Sowerby, 1835
Pandora trilineata Say, 1822
Pandora wardiana A. Adams, 1859
Panomya ampla Dall, 1898
Panomya beringiana Dall, 1916
Panomya granulata
Panomya norvegica (Spengler, 1793)
Panomya priapus (Tilesius, 1822)
Panopea abrupta (Conrad, 1849)
Panopea bitruncata (Conrad, 1872)
Panopea generosa Gould, 1850
Papustyla pulcherrima
Papyridea semisulcata (J. E. Gray, 1825)
Papyridea soleniformis (Bruguiere, 1789)
Parabornia squillina Boss, 1965
Paraclione longicaudata (Souleyet, 1852)
Parahyotissa mcgintyi Harry, 1985
Paralaoma caputspinulae (Reeve, 1852)
Parallelodon rugosus Buckman
Paramya subovata (Conrad, 1845)
Parapholas californica (Conrad, 1837)
Parashiela beetsi
Parastarte triquetra (Conrad, 1846)
Parateuthis tunicata Thiele, 1920
Paravitrea alethia Hubricht, 1978
Paravitrea amicalola Hubricht, 1976
Paravitrea andrewsae (W. G. Binney, 1879)
Paravitrea aulacogyra (Pilsbry and Ferris, 1906)
Paravitrea bellona Hubricht, 1978
Paravitrea bidens Hubricht, 1963
Paravitrea blarina Hubricht, 1963
Paravitrea calcicola H. B. Baker, 1931
Paravitrea capsella (Gould, 1851)
Paravitrea ceres Hubricht, 1978
Paravitrea clappi (Pilsbry, 1898)
Paravitrea conecuhensis (G. H. Clapp, 1917)
Paravitrea dentilla Hubricht, 1978
Paravitrea diana Hubricht, 1983
Paravitrea grimmi Hubricht, 1968
Paravitrea hera Hubricht, 1983
Paravitrea lacteodens (Pilsbry, 1903)
Paravitrea lamellidens (Pilsbry, 1898)
Paravitrea lapilla Hubricht, 1965
Paravitrea metallacta Hubricht, 1963
Paravitrea mira Hubricht, 1975
Paravitrea multidentata (A. Binney, 1840)
Paravitrea petrophila (Bland, 1883)
Paravitrea pilsbryana (G. H. Clapp, 1919)
Paravitrea placentula (Shuttleworth, 1852)
Paravitrea pontis H. B. Baker, 1931
Paravitrea reesei Morrison, 1937
Paravitrea septadens Hubricht, 1978
Paravitrea seradens Hubricht, 1972
Paravitrea significans (Bland, 1866)
Paravitrea simpsoni (Pilsbry, 1889)
Paravitrea smithi (Walker, 1928)
Paravitrea subtilis Hubricht, 1978
Paravitrea tantilla Hubricht, 1963
Paravitrea ternaria Hubricht, 1978
Paravitrea tiara Hubricht, 1978
Paravitrea toma Hubricht, 1975
Paravitrea tridens Pilsbry, 1946
Paravitrea umbilicaris (Ancey, 1887)
Paravitrea variabilis H. B. Baker, 1929
Paravitrea varidens Hubricht, 1978
Pareledone adelieana (Berry, 1917)
Pareledone charcoti (Joubin, 1905)
Pareledone framensis Lu and Stranks, 1994
Pareledone harrissoni (Berry, 1917)
Pareledone polymorpha (Robson, 1930)
Pareledone prydzensis Lu and Stranks, 1994
Pareledone turqueti (Joubin, 1905)
Parreysia corrugata (Müller, 1774)
Parreysia keralaensis Bolotov, Pasupuleti & Subba Rao in Bolotov et al., 2022
Parreysia nagpoorensis (Lea, 1860)
Parreysia plagiosoma (Benson, 1862)
Parreysia rajahensis (Lea, 1841)
Parreysia rakhinensis Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Parvamussium alaskense (Dall, 1871)
Parvanachis obesa (C. B. Adams, 1845)
Parvanachis ostreicola (G. B. Sowerby III, 1882)
Parvasolenaia neotriangularis (He & Zhuang, 2013)
Parvasolenaia rivularis (Heude, 1877)
Parvasolenaia triangularis (Heude, 1885)
Parvaspina collina (Conrad, 1837)
Parvaspina steinstansana (R. I. Johnson & Clarke, 1983)
Parvicardium elegantulum (Moller, 1842)
Parvicardium exiguum (Gmelin, 1791)
Parvicardium hauniense (Høpner Petersen & Russell, 1971)
Parvicardium minimum (Philippi, 1836)
Parvicardium ovale (G. B. Sowerby, 1840)
Parvicardium scabrum Philippi, 1844
Parvilucina approximata (Dall, 1901)
Parvilucina blanda (Bland and Simpson, 1901)
Parvilucina costata (d'Orbigny, 1842)
Parvilucina lampra (Dall, 1901)
Parvilucina lingualis (Carpenter, 1864)
Parvilucina mazatlanica (Carpenter, 1855)
Parvilucina multilineata (Tuomey and Holmes, 1857)
Parvilucina tenuisculpta (Carpenter, 1864)
Parviphos adelus (Schwengel, 1942)
Parviturbo acuticostatus (Carpenter, 1864)
Parviturbo calidimaris Pilsbry and McGinty, 1945
Parviturbo comptus (Woodring, 1928)
Parviturbo concepcionensis (Lowe, 1935)
Parviturbo francesae Pilsbry and McGinty, 1945
Parviturbo rehderi Pilsbry and McGinty, 1945
Parviturbo stearnsi (Dall, 1918)
Parviturbo turbinus (Dall, 1889)
Parviturbo weberi Pilsbry and McGinty, 1945
Parviturboides interruptus (C. B. Adams, 1850)
Patella asprea
Patella depressa
Patella intermedia
Patella mexicana Broderip and Sowerby, 1829
Patella ulyssiponensis Gmelin, 1791
Patella vulgata
Patelloida pustulata (Helbling, 1779)
Patera appressa (Say, 1821)
Patera binneyana (Pilsbry, 1899)
Patera clarki (I. Lea, 1858)
Patera clenchi (Rehder, 1932)
Patera indianorum (Pilsbry, 1899)
Patera kiowaensis (Simpson, 1888)
Patera laevior (Pilsbry, 1940)
Patera leatherwoodi (Pratt, 1971)
Patera panselenus (Hubricht, 1976)
Patera pennsylvanica (Green, 1827)
Patera perigrapta (Pilsbry, 1894)
Patera roemeri (Pfeiffer, 1848)
Patera sargentiana (C. W. Johnson and Pilsbry, 1892)
Patina pellucida (Linnaeus, 1758)
Patinopecten caurinus (Gould, 1850)
Paziella nuttingi (Dall, 1896)
Paziella oregonia (Bullis, 1964)
Paziella pazi (Crosse, 1869)
Pazionotus stimpsonii (Dall, 1889)
Pecosorbis kansasensis (S. S. Berry, 1966)
Pecten chazaliei Dautzenberg, 1900
Pecten eucymatus
Pecten maximus (Linnaeus, 1758)
Pectinella sigsbeei (Dall, 1886)
Pectinodonta arcuata Dall, 1882
Pedicularia californica Newcomb, 1864
Pedicularia decussata Gould, 1855
Pedipes angulatus C. B. Adams, 1852
Pedipes mirabilis (Megerle von Muhlfeld, 1816)
Pedipes ovalis (C. B. Adams, 1849)
Pedipes unisulcatus J. G. Cooper, 1867
Pegias fabula (Lea, 1838)
Pelseneeria stimpsonii (A. E. Verrill, 1872)
Peltodoris greeleyi MacFarland, 1909
Pelycidion kelseyi (Bartsch, 1911)
Penitella conradi Valenciennes, 1846
Penitella fitchi Turner, 1955
Penitella gabbii (Tryon, 1863)
Penitella hopkinsi Kennedy and Armentrout, 1989
Penitella kamakurensis (Yokoyama, 1922)
Penitella penita (Conrad, 1837)
Penitella richardsoni Kennedy, 1989
Penitella turnerae Evans and Fisher, 1966
Peracle apicifulva Meisenheimer, 1906
Peracle bispinosa Pelseneer, 1888
Peracle diversa di Monterosato, 1875
Peracle moluccensis Tesch, 1913
Peracle reticulata (d'Orbigny, 1836)
Peracle triacantha P. Fischer, 1882
Periglypta listeri (J. E. Gray, 1838)
Periglypta multicostata (Sowerby, 1835)
Peringia ulvae (Pennant, 1777)
Periploma abyssorum
Periploma affine A. E. Verrill and Bush, 1898
Periploma alaskanum Williams, 1940
Periploma aleuticum (Krause, 1885)
Periploma anguliferum (Philippi, 1847)
Periploma discus Stearns, 1890
Periploma fragile (Totten, 1835)
Periploma leanum (Conrad, 1831)
Periploma margaritaceum (Lamarck, 1801)
Periploma orbiculare
Periploma papyratium (Say, 1822)
Periploma planiusculum G. B. Sowerby I, 1834
Periploma tenerum P. Fischer, 1882
Peristichia agria Dall, 1889
Peristichia pedroana (Dall and Bartsch, 1909)
Peristichia toreta Dall, 1889
Perna perna (Linnaeus, 1758)
Perotrochus adansonianus (Crosse and P. Fischer, 1861)
Perotrochus amabilis (Bayer, 1963)
Perotrochus atlanticus Rios and Matthews, 1968
Perotrochus gemma F. M. Bayer, 1965
Perotrochus lucaya F. M. Bayer, 1965
Perotrochus maureri Harasewych and Askew, 1993
Perotrochus midas F. M. Beyer, 1965
Perotrochus notialis Leme, 1969
Perotrochus pyramus F. M. Bayer, 1967
Perotrochus quoyanus (P. Fischer and Bernardi, 1856)
Persicula catenata (Montagu, 1803)
Persicula fluctuata (C. B. Adams, 1850)
Persicula pulcherrima (Gaskoin, 1849)
Petalifera petalifera (Rang, 1828)
Petalifera ramosa Baba, 1959
Petaloconchus compactus (Carpenter, 1864)
Petaloconchus complicatus Dall, 1908
Petaloconchus contortus (Carpenter, 1856)
Petaloconchus erectus (Dall, 1888)
Petaloconchus flavescens (Carpenter, 1857)
Petaloconchus macrophragma (Carpenter, 1856)
Petaloconchus montereyensis Dall, 1919
Petaloconchus varians (d'Orbigny, 1841)
Petitilla crosseana (Dall, 1885)
Petricola californiensis Pilsbry and Lowe, 1932
Petricola carditoides (Conrad, 1837)
Petricola hertzana Coan, 1997
Petricola lapicida (Gmelin, 1791)
Petricola lithophaga (Retzius, 1786)
Petricola lucasana Herlein and Strong, 1948
Petricolaria pholadiformis (Lamarck, 1818)
Phalium coronadoi (Crosse, 1867)
Phalium granulatum (Born, 1778)
Phaseolus ovatus Sequenza, 1877
Phaxas pellucidus (Pennant, 1777)
Phenacovolva piragua (Dall, 1889)
Phidiana elegans (Alder and Hancock, 1845)
Phidiana hiltoni (O'Donoghue, 1927)
Phidiana lynceus Bergh, 1867
Phidiana pselliotes Labbe, 1923
Phidiana pugnax Lance, 1962
Philbertia purpurea
Philine alba Mattox, 1958
Philine amabilis Verrill, 1880
Philine angulata Jeffreys, 1867
Philine aperta (Linnaeus, 1767)
Philine auriformis Suter, 1909
Philine bakeri Dall, 1919
Philine californica Willett, 1944
Philine catena (Montagu, 1803)
Philine cingulata G. O. Sars, 1878
Philine denticulata (J. Adams, 1800)
Philine finmarchica M. Sars, 1858
Philine fragilis G. O. Sars, 1878
Philine infortunata Pilsbry, 1895
Philine infundibulum Dall, 1889
Philine lima (T. Brown, 1825)
Philine loveni Malm, 1858
Philine polaris Aurivillius, 1885
Philine polystrigma (Dall, 1908)
Philine pruinosa
Philine punctata (J. Adams, 1800)
Philine quadrata (S. V. Wood, 1839)
Philine sagra (d'Orbigny, 1841)
Philine scabra Muller, 1784
Philine sinuata Stimpson, 1851
Philine tincta A. E. Verrill, 1882
Philinoglossa helgolandica Hertling, 1932
Philinoglossa praelongata Salvivi-plawen, 1973
Philinoglossa remanei Marcus and Marcus, 1958
Philinopsis pusa (Ev. Marcus and Er. Marcus, 1967)
Philippia hybrida (Linnaeus, 1758)
Philippia krebsii (Morch, 1875)
Philippia lutea (Lamarck, 1822)
Philippia nobilis
Philippia oxytropis
Philippia radiata
Philobrya atlantica Dall, 1895
Philobrya inconspicua Olsson and McGinty, 1958
Philobrya setosa (Carpenter, 1864)
Philomycus batchi Branson, 1968
Philomycus bisdosus Branson, 1968
Philomycus carolinianus (Bosc, 1802)
Philomycus flexuolaris Rafinesque, 1820
Philomycus sellatus Hubricht, 1972
Philomycus togatus (Gould, 1841)
Philomycus venustus Hubricht, 1953
Philomycus virginicus Hubricht, 1953
Pholadidea loscombiana Turton, 1819
Pholas campechiensis Gmelin, 1791
Pholas dactylus Linnaeus, 1758
Pholidoteuthis adami Voss, 1956
Pholidoteuthis boschmai Adam, 1950
Phos senticosus (Linnaeus, 1758)
Phreatoceras taylori (Hershler and Longley, 1986)
Phreatodrobia conica Hershler and Longley, 1986
Phreatodrobia coronae Hershler and Longley, 1987
Phreatodrobia imitata Hershler and Longley, 1986
Phreatodrobia micra (Pilsbry and Ferriss, 1906)
Phreatodrobia nugax (Pilsbry and Ferriss, 1906)
Phreatodrobia plana Hershler and Longley, 1986
Phreatodrobia punctata Hershler and Longley, 1986
Phreatodrobia rotunda Hershler and Longley, 1986
Phyllaplysia cymodacea K. B. Clark, 1976
Phyllaplysia engeli Er. Marcus, 1955
Phyllaplysia smaragda K. B. Clark, 1977
Phyllaplysia taylori Dall, 1900
Phyllidiopsis berghi Vayssiere, 1902
Phyllidiopsis blanca Gosliner and Behrens, 1988
Phyllidiopsis papilligera Bergh, 1890
Phylliroe atlantica Bergh, 1871
Phylliroe bucephalum Peron and Lesueur, 1810
Phyllobranchillus viridis (Deshayes, 1857)
Phymorhynchus alberti (Dautzenberg and Fischer, 1906)
Physa carolinae Wethington, Dillon and Wise, 2009
Physa fontinalis (Linnaeus, 1758)
Physa jennessi Dall, 1919
Physa megalochlamys Taylor, 1988
Physa natricina Taylor, 1988
Physa siberica Westerlund, 1876
Physa skinneri Taylor, 1954
Physa vernalis Taylor and Jokinen, 1984
Physella acuta (Draparnaud, 1805)
Physella ancillaria (Say, 1825)
Physella bermudezi (Aguayo, 1935)
Physella bottimeri (Clench, 1924)
Physella boucardi (Crosse and P. Fischer, 1881)
Physella columbiana (Hemphill, 1890)
Physella conoidea (P. Fischer and Crosse, 1886)
Physella cooperi (Tryon, 1865)
Physella costata (Newcomb, 1861)
Physella cubensis (Pfeiffer, 1839)
Physella globosa (Haldeman, 1841)
Physella gyrina (Say, 1821)
Physella hemphilli Taylor, 2003
Physella hendersoni (Clench, 1925)
Physella heterostropha (Say, 1817)
Physella hordacea (Lea, 1864)
Physella humerosa (Gould, 1855)
Physella integra (Haldeman, 1841)
Physella johnsoni (Clench, 1926)
Physella lordi (Baird, 1863)
Physella magnalacustris (Walker, 1901)
Physella mexicana (Philippi, 1841)
Physella microstriata (Chamberlin and E. G. Berry, 1930)
Physella osculans (Haldeman, 1841)
Physella parkeri (Currier, 1881)
Physella pomilia (Conrad, 1834)
Physella propinqua (Tryon, 1865)
Physella spelunca (Turner and Clench, 1974)
Physella squalida (Morelet, 1851)
Physella traski (Lea, 1864)
Physella utahensis (Clench, 1925)
Physella vinosa (Gould, 1848)
Physella virgata (Gould, 1855)
Physella virginea (Gould, 1847)
Physella winnipegensis Pip, 2004
Physella wrighti Te and Clarke, 1985
Physella zionis (Pilsbry, 1926)
Physunio massini (Morelet, 1864)
Physunio modelli Brandt, 1974
Physunio pellucidus Pfeiffer, Graf, Cummings & Page, 2021
Physunio superbus (Lea, 1843)
Phytia myosotis Say, 1822
Pickfordiateuthis pulchella Voss, 1953
Pickfordiateuthis vossi Brakoniecki, 1996
Piliscus commodus (Middendorff, 1851)
Pillucina hawaiiensis
Pillucina spaldingi Pilsbry, 1921
Pilsbryna aurea H. B. Baker, 1929
Pilsbryna castanea H. B. Baker, 1931
Pilsbryoconcha acuta Jeratthitikul & Prasankok in Jeratthitikul et al., 2022
Pilsbryoconcha carinifera (Conrad, 1837)
Pilsbryoconcha exilis (Lea, 1838)
Pilsbryoconcha expressa (Martens, 1900)
Pilsbryoconcha hoikaab Jeratthitikul & Prasankok in Jeratthitikul et al., 2022
Pilsbryoconcha kittitati Jeratthitikul & Prasankok in Jeratthitikul et al., 2022
Pilsbryoconcha linguaeformis (Morelet, 1875)
Pilsbryoconcha mekongiana Jeratthitikul & Prasankok in Jeratthitikul et al., 2022
Pilsbryoconcha schomburgki (Martens, 1860)
Pilsbryspira albocincta (C. B. Adams, 1845)
Pilsbryspira albomaculata (d'Orbigny, 1842)
Pilsbryspira jayana (C. B. Adams, 1850)
Pilsbryspira leucocyma (Dall, 1884)
Pilsbryspira monilis (Bartsch and Rehder, 1939)
Pilsbryspira zebroides (Weinkauff, 1876)
Pinctada galtsoffi
Pinctada imbricata Roding, 1798
Pinctada margaritifera (Linnaeus, 1758)
Pinna bicolor Gmelin, 1791
Pinna carnea Gmelin, 1791
Pinna muricata Linnaeus, 1758
Pinna rudis Linnaeus, 1758
Pisania pusio (Linnaeus, 1758)
Piseinotecus divae Er. Marcus, 1955
Piseinotecus evelinae
Pisidium adamsi Stimpson, 1851
Pisidium amnicum (Muller, 1774)
Pisidium casertanum (Poli, 1791)
Pisidium compressum Prime, 1852
Pisidium conventus Clessin, 1877
Pisidium cruciatum Sterki, 1895
Pisidium dubium (Say, 1817)
Pisidium equilaterale Prime, 1852
Pisidium fallax Sterki, 1896
Pisidium ferrugineum Prime, 1852
Pisidium henslowanum (Sheppard, 1825)
Pisidium idahoense E. W. Roper, 1890
Pisidium insigne Gabb, 1868
Pisidium lilljeborgi (Clessin, 1886)
Pisidium milium Held, 1836
Pisidium nitidum Jenyns, 1832
Pisidium punctatum Sterki, 1895
Pisidium punctiferum (Guppy, 1867)
Pisidium rotundatum Prime, 1852
Pisidium sanguinichristi Taylor, 1987
Pisidium subtruncatum Malm, 1855
Pisidium supinum Schmidt, 1850
Pisidium ultramontanum Prime, 1865
Pisidium variabile Prime, 1852
Pisidium ventricosum Prime, 1851
Pisidium walkeri Sterki, 1895
Pitar albidus (Gmelin, 1791)
Pitar arestus (Dall and Simpson, 1901)
Pitar cordatus (Schwengel, 1951)
Pitar fulminatus (Menke, 1828)
Pitar morrhuanus (Linsley, 1848)
Pitar newcombianus (Gabb, 1865)
Pitar pilula Rehder, 1943
Pitar simpsoni (Dall, 1895)
Pitar zonatus (Dall, 1902)
Placida dendritica (Alder and Hancock, 1843)
Placida kingstoni T. E. Thompson, 1977
Placiphorella atlantica (A. E. Verrill and S. Smith, 1882)
Placiphorella borealis Pilsbry, 1893
Placiphorella mirabilis R. N. Clark, 1994
Placiphorella rufa S. S. Berry, 1917
Placiphorella stimpsoni (Gould, 1859)
Placiphorella velata Dall, 1879
Placopecten magellanicus (Gmelin, 1791)
Plagiocardium papillosum (Poli, 1795)
Planaxis lineatus (E. M. da Costa, 1778)
Planaxis nucleus (Bruguiere, 1789)
Planaxis obsoletus Menke, 1851
Planaxis sulcatus Born, 1778
Planctoteuthis danae (Joubin, 1931)
Planctoteuthis levimana (Lönnberg, 1896)
Planctoteuthis oligobessa (Young, 1972)
Planitrochus amicus Perner, 1903
Planitrochus disculus (Dall, 1889)
Planktomya henseni Simroth, 1896
Planogyra asteriscus (E. S. Morse, 1857)
Planogyra clappi (Pilsbry, 1898)
Planorbella ammon (Gould, 1855)
Planorbella binneyi (Tryon, 1867)
Planorbella campanulata (Say, 1821)
Planorbella columbiensis (F. C. Baker, 1945)
Planorbella corpulenta (Say, 1824)
Planorbella duryi (Wetherby, 1879)
Planorbella magnifica (Pilsbry, 1903)
Planorbella multivolvis (Case, 1847)
Planorbella occidentalis (J. G. Cooper, 1870)
Planorbella oregonensis (Tryon, 1865)
Planorbella pilsbryi (F. C. Baker, 1926)
Planorbella scalaris (Jay, 1839)
Planorbella subcrenata (Carpenter, 1857)
Planorbella tenuis (Dunker, 1850)
Planorbella traski (Lea, 1856)
Planorbella trivolvis (Say, 1817)
Planorbella truncata (M. Miles, 1861)
Planorbis corneus (Linnaeus, 1758)
Planorbula armigera (Say, 1821)
Planorbula campestris (Dawson, 1875)
Platycythara elata (Dall, 1889)
Platydoris angustipes (Morch, 1863)
Platydoris macfarlandi Hanna, 1951
Platydoris stomascuta Bouchet, 1977
Platyodon cancellatus (Conrad, 1837)
Plectodon granulatus (Dall, 1881)
Plectodon scaber Carpenter, 1864
Plectomerus dombeyanus (Valenciennes in Humboldt & Bonpland, 1827)
Pleiodon ovatus (Swainson, 1823)
Pleiodon spekii (Woodward, 1859)
Plesarionta stearnsiana (Gabb, 1867)
Plesiocystiscus jewettii (Carpenter, 1856)
Plesiocystiscus myrmecoon (Dall, 1919)
Plesiocystiscus politulus (Dall, 1919)
Plesiothyreus crenulata (Broderip, 1834)
Plesiothyreus hamillei (P. Fischer, 1857)
Plesiothyreus malonei (Vanatta, 1912)
Plesiothyreus osculans (C. B. Adams, 1852)
Plesiotrochus luteus
Plethobasus cicatricosus (Say, 1829)
Plethobasus cooperianus (Lea, 1834)
Plethobasus cyphyus (Rafinesque, 1820)
Pletholophus honglinhensis Bogan, Do, Froufe & Lopes-Lima, 2023
Pletholophus reinianus (Martens, 1875)
Pletholophus tenuis (Griffith & Pidgeon, 1833)
Pleurobema athearni Gangloff, Williams & Feminella, 2006
Pleurobema beadleianum (Lea, 1861)
Pleurobema clava (Lamarck, 1819)
Pleurobema cordatum (Rafinesque, 1820)
Pleurobema curtum (Lea, 1859)
Pleurobema decisum (Lea, 1831)
Pleurobema fibuloides (Lea, 1859)
Pleurobema georgianum (Lea, 1841)
Pleurobema hanleyianum (Lea, 1852)
Pleurobema hartmanianum (Lea, 1860)
Pleurobema marshalli Frierson, 1927
Pleurobema oviforme (Conrad, 1834)
Pleurobema perovatum (Conrad, 1834)
Pleurobema plenum (Lea, 1840)
Pleurobema pyriforme (Lea, 1857)
Pleurobema riddellii (Lea, 1862)
Pleurobema rubellum (Conrad, 1834)
Pleurobema rubrum (Rafinesque, 1820)
Pleurobema sintoxia (Rafinesque, 1820)
Pleurobema stabile (Lea, 1861)
Pleurobema strodeanum (B. H. Wright, 1898)
Pleurobema taitianum (Lea, 1834)
Pleurobema verum (Lea, 1861)
Pleurobranchaea bonnieae Ev. Marcus and Gosliner, 1984
Pleurobranchaea californica MacFarland, 1966
Pleurobranchaea hedgpethi Abbott, 1952
Pleurobranchaea inconspicua Bergh, 1897
Pleurobranchaea tarda A. E. Verrill, 1880
Pleurobranchus areolatus Morch, 1863
Pleurobranchus membranaceus
Pleurobranchus reesi White, 1952
Pleurobranchus stringi Mcfarland, 1966
Pleurocera acuta Rafinesque, 1831
Pleurocera alveare (Conrad, 1834)
Pleurocera annulifera (Conrad, 1834)
Pleurocera brumbyi (Lea, 1852)
Pleurocera canaliculata (Say, 1821)
Pleurocera corpulenta (Anthony, 1854)
Pleurocera curta (Haldeman, 1841)
Pleurocera foremani (Lea, 1843)
Pleurocera gradata (Anthony, 1854)
Pleurocera nobilis (Lea, 1845)
Pleurocera parva (Lea, 1862)
Pleurocera postelli (Lea, 1862)
Pleurocera prasinata (Conrad, 1834)
Pleurocera pyrenella (Conrad, 1834)
Pleurocera showalteri (Lea, 1862)
Pleurocera striatum (Lea, 1863)
Pleurocera trochiformis (Conrad, 1834)
Pleurocera uncialis (Haldeman, 1841)
Pleurocera vestita (Conrad, 1834)
Pleurocera walkeri Goodrich, 1928
Pleuromalaxis balesi (Pilsbry and McGinty, 1945)
Pleuromalaxis lamellifera (Rehder, 1934)
Pleuromalaxis pauli (Olsson and McGinty, 1958)
Pleuromalaxis retifera (Dall, 1892)
Pleuromeris armilla (Dall, 1903)
Pleuromeris perplana (Conrad, 1841)
Pleuromeris tridentata (Say, 1826)
Pleuronaia barnesiana (Lea, 1838)
Pleuronaia dolabelloides (Lea, 1840)
Pleuronaia gibber (Lea, 1838)
Pleuroploca gigantea (Kiener, 1840)
Pleuropoma kauaiensis Pilsbry and Cooke, 1908
Pleuropoma laciniosa Mighels, 1945
Pleuropoma niilauensis Neal, 1934
Pleuropoma nonouensis Neal, 1934
Pleuropoma oahuensis Pilsbry and Cooke, 1908
Pleuropoma rotelloidea Mighels, 1845
Pleuropoma sulculosa Ancey, 1904
Pleurotomella agassizi Verrill and Smith, 1880
Pleurotomella aperta Dall, 1927
Pleurotomella aquilarium
Pleurotomella atypica
Pleurotomella bairdi Verrill and Smith, 1884
Pleurotomella benedicti Verrill, 1872
Pleurotomella blakeana (Dall, 1889)
Pleurotomella bruneri Verrill and Smith, 1884
Pleurotomella catherinae Verrill and Smith, 1884
Pleurotomella chariessa
Pleurotomella corrida Dall, 1927
Pleurotomella curta (Verrill, 1884)
Pleurotomella dalli Bush, 1893
Pleurotomella emertonii Verrill and Smith, 1884
Pleurotomella engonia (Verrill, 1884)
Pleurotomella eurybrocha (Dautzenberg and Fischer, 1896)
Pleurotomella extensa (Dall, 1881)
Pleurotomella formosa Jeffreys, 1883
Pleurotomella frielei Verrill, 1885
Pleurotomella hadria Dall, 1889
Pleurotomella herminea Dall, 1919
Pleurotomella illicita (Dall, 1927)
Pleurotomella imitator (Dall, 1927)
Pleurotomella lanceata (Dall, 1927)
Pleurotomella leptalea Bush, 1893
Pleurotomella leucomata (Dall, 1881)
Pleurotomella lineola Dall, 1927
Pleurotomella lottae Verrill, 1885
Pleurotomella lyronuclea (Dall, 1881)
Pleurotomella packardii A. E. Verrill, 1872
Pleurotomella pandionis Verrill, 1880
Pleurotomella sandersoni Verrill, 1884
Pleurotomella sulcifera Bush, 1893
Pleurotomella thalassica Dall, 1919
Pleurotomella tincta Verrill, 1885
Pleurotomella tornata (Verrill, 1884)
Pleurotomella vaginata Dall, 1927
Pleurotomella vitrea Verrill, 1885
Plicatula gibbosa Lamarck, 1801
Plicifusus cretaceus (Reeve, 1847)
Plicifusus elaeoides
Plicifusus stejnegeri
Plicopurpura patula (Linnaeus, 1758)
Pneumoderma mediterraneum (van Beneden, 1838)
Pneumoderma violaceum (d'Orbigny, 1836)
Pneumodermopsis canephora Pruvot-fol, 1924
Pneumodermopsis ciliata (Gegenbauer, 1855)
Pneumodermopsis macrochira (Meisenheimer, 1905)
Pneumodermopsis michaelsarsi Bonnevie, 1913
Pneumodermopsis oligocotyla Massy, 1917
Pneumodermopsis paucidens (Boas, 1886)
Pneumodermopsis pupula Pruvot-fol, 1926
Pneumodermopsis teschi Spoel, 1973
Pododesmus macrochisma (Deshayes, 1839)
Pododesmus patelliformis (Linnaeus, 1761)
Pododesmus pernoides (J. E. Gray, 1853)
Pododesmus rudis (Broderip, 1834)
Poirieria bowdenensis E. H. Vokes, 1970
Poirieria nuttingi (Dall, 1896)
Poirieria pazi (Crosse, 1869)
Poirieria stimpsonii (Dall, 1889)
Policordia alaskana (Dall, 1895)
Policordia densicostata (Locard, 1898)
Policordia gemma (A. E. Verrill, 1880)
Policordia insculpta (Jeffreys, 1881)
Policordia jeffreysi (Friele, 1879)
Polinices aperinus
Polinices bahamiensis (Dall, 1825)
Polinices bifasciatus (Griffith and Pidgeon, 1834)
Polinices draconis (Dall, 1903)
Polinices duplicatus (Say, 1822)
Polinices helicoides (Gray, 1825)
Polinices hepaticus (Roding, 1798)
Polinices heros Say, 1822
Polinices lacteus (Guilding, 1834)
Polinices leptaleus Watson, 1881
Polinices monteronis
Polinices nanus Moller, 1842
Polinices nubilus Dall, 1889
Polinices otis Broderip and Sowerby, 1829
Polinices politiana
Polinices uber (Valenciennes, 1832)
Polinices uberinus (d'Orbigny, 1842)
Pollia auritula (Link, 1807)
Pollia karinae (Nowell-Usticke, 1959)
Pollia tincta Conrad, 1846
Polybranchia viridis (Deshayes, 1857)
Polycera atra MacFarland, 1905
Polycera aurisula Er. Marcus, 1957
Polycera chilluna Er. Marcus, 1961
Polycera dubia (M. Sars, 1829)
Polycera faeroensis Lemche, 1929
Polycera hedgpethi Er. Marcus, 1964
Polycera hummi Abbott, 1952
Polycera odhneri Er. Marcus, 1955
Polycera quadrilineata Muller, 1776
Polycera rycia Er. Marcus and Ev. Marcus, 1970
Polycera tricolor Robilliard, 1971
Polycera zosterae O'Donoghue, 1924
Polycerella conyna E. Marcus, 1957
Polycerella davenportii
Polycerella emertoni A. E. Verrill, 1881
Polycerella glandulosa Behrens and Gosliner, 1988
Polygireulima rutila (Carpenter, 1866)
Polygyra auriculata Say, 1818
Polygyra auriformis (Bland, 1859)
Polygyra avara Say, 1818
Polygyra cereolus (Megerle von Muhlfeld, 1816)
Polygyra chisosensis (Pilsbry, 1936)
Polygyra delecta Hubricht, 1976
Polygyra deltoidea (Simpson, 1889)
Polygyra dorfueilliana (I. Lea, 1838)
Polygyra fastigiata (Say, 1829)
Polygyra gracilis Hubricht, 1961
Polygyra hausmani Jackson, 1948
Polygyra hippocrepis (Pfeiffer, 1848)
Polygyra jacksoni (Bland, 1866)
Polygyra leporina (Gould, 1848)
Polygyra mooreana (W. G. Binney, 1858)
Polygyra peninsulae Pilsbry, 1940
Polygyra peregrina (Rehder, 1832)
Polygyra plana (Dunker, 1843)
Polygyra plicata (Say, 1821)
Polygyra polita Pilsbry and Hinkley, 1907
Polygyra postelliana (Bland, 1859)
Polygyra pustula (Say, 1821)
Polygyra pustuloides (Bland, 1858)
Polygyra septemvolva Say, 1818
Polygyra simpsoni (Pilsbry and Ferriss, 1907)
Polygyra subclausa Pilsbry, 1940
Polygyra texasiana (Moricand, 1833)
Polygyra troostiana (I. Lea, 1839)
Polygyra uvulifera (Shuttleworth, 1852)
Polygyrella polygyrella (Bland and J. G. Cooper, 1861)
Polygyriscus virginianus (P. R. Burch, 1947)
Polygyroidea harfordiana (J. G. Cooper, 1870)
Polymesoda caroliniana (Bosc, 1801)
Polymesoda maritima (d'Orbigny, 1842)
Polyschides agassizii (Dall, 1881)
Polyschides californicus (Pilsbry and Sharp, 1898)
Polyschides carolinensis (Bush, 1885)
Polyschides elongatus (J. B. Henderson, 1920)
Polyschides grandis (A. E. Verrill, 1884)
Polyschides greenlawi (Dall, 1889)
Polyschides miamiensis (J. B. Henderson, 1920)
Polyschides pandionis (A. E. Verrill and S. Smith, 1880)
Polyschides parvus (J. B. Henderson, 1920)
Polyschides quadridentatus (Dall, 1881)
Polyschides rushii (Pilsbry and Sharp, 1898)
Polyschides spectabilis (A. E. Verrill, 1885)
Polyschides tetraschistus (Watson, 1879)
Polyschides tetrodon (Pilsbry and Sharp, 1898)
Polyschides tolmiei (Dall, 1897)
Polyschides watsoni (Dall, 1881)
Polystira albida (G. Perry, 1811)
Polystira florencae Bartsch, 1934
Polystira sunderlandi Petuch, 1987
Polystira tellea (Dall, 1889)
Polystira vibex (Dall, 1889)
Pomacea bridgesii (Reeve, 1856)
Pomacea canaliculata (Lamarck, 1822)
Pomacea haustrum (Reeve, 1858)
Pomacea paludosa (Say, 1829)
Pomacea urceus (Muller, 1774)
Pomatiopsis binneyi Tryon, 1863
Pomatiopsis californica Pilsbry, 1899
Pomatiopsis chacei Pilsbry, 1937
Pomatiopsis cincinnatiensis (Lea, 1840)
Pomatiopsis hinkleyi Pilsbry, 1896
Pomatiopsis lapidaria (Say, 1817)
Popenaias berezai Inoue, Cummings, Tiemann, Miller, Johnson, Smith & Randklev, 2020
Popenaias metallica (Say, 1831)
Popenaias popeii (Lea, 1857)
Popenaias semirasa (Pilsbry, 1910)
Popenaias tehuantepecensis (Crosse & Fischer, 1893)
Poromya albida Dall, 1886
Poromya beringiana (Dall, 1916)
Poromya elongata Dall, 1886
Poromya granulata (Nyst and Westendorp, 1839)
Poromya houbricki Bernard, 1989
Poromya leonina (Dall, 1916)
Poromya malespinae (Ridewood, 1903)
Poromya neaeroides Sequenza, 1876
Poromya rostrata Rehder, 1943
Poromya tenuiconcha (Dall, 1913)
Poromya tornata (Jeffreys, 1876)
Poromya trosti Strong and Hertlein, 1937
Portlandia aestuariorum (Mosevich, 1928)
Portlandia arctica (J. E. Gray, 1824)
Portlandia beringii
Portlandia dalli Krause, 1885
Portlandia fraterna (Verrill and Bush, 1898)
Portlandia frigida (Torell, 1859)
Portlandia glacialis (Gray, 1828)
Portlandia inconspicua (Verrill and Bush, 1898)
Portlandia inflata (Verrill and Bush, 1897)
Portlandia intermedia (M. Sars, 1865)
Portlandia iris (Verrill and Bush, 1897)
Portlandia jeffreysi (Hildago, 1879)
Portlandia lenticula (Moller, 1842)
Portlandia lucida (Loven, 1846)
Portlandia minuscula (Verrill and Bush, 1898)
Portlandia sericea
Portlandia subangulata (Verrill and Bush, 1898)
Portlandia tamara
Potamilus alatus (Say, 1817)
Potamilus amphichaenus (Frierson, 1898)
Potamilus capax (Green, 1832)
Potamilus fragilis (Rafinesque, 1820)
Potamilus inflatus (Lea, 1831)
Potamilus leptodon (Rafinesque, 1820)
Potamilus metnecktayi R. I. Johnson, 1998
Potamilus ohiensis (Rafinesque, 1820)
Potamilus purpuratus (Lamarck, 1819)
Potamilus streckersoni Smith, Johnson, Inoue, Doyle & Randklev, 2019
Potamocorbula amurensis (Schrenck, 1861)
Potamopyrgus antipodarum (J. E. Gray, 1853)
Potomida acarnanica (Kobelt, 1879)
Potomida littoralis (Cuvier, 1798)
Potomida semirugata (Lamarck, 1819)
Powellsetia fallax
Praticolella bakeri Vanatta, 1915
Praticolella berlandieriana (Moricand, 1833)
Praticolella candida Hubricht, 1983
Praticolella griseola (Pfeiffer, 1841)
Praticolella jejuna (Say, 1821)
Praticolella lawae (J. Lewis, 1874)
Praticolella mobiliana (I. Lea, 1841)
Praticolella pachyloma (Menke, 1847)
Praticolella taeniata Pilsbry, 1940
Praticolella trimatris Hubricht, 1983
Precuthona divae (Mcfarland, 1966)
Precuthona peachi
Pressidens exanthematicus (Küster, 1861)
Pressodonta viridis (Rafinesque, 1820)
Primovula solemi Cate, 1973
Prionoglossa tetrabranchiata (Bonnevie, 1913)
Prisodon obliquus Schumacher, 1817
Prisodon syrmatophorus (Meuschen in Gronovius, 1781)
Prisodontopsis aviculaeformis F. R. Woodward, 1991
Prisodontopsis mweruensis (E. A. Smith, 1908)
Pristes oblongus Carpenter, 1864
Pristigloma alba Saunders and Allen, 1973
Pristigloma minima (Sequenza, 1873)
Pristigloma nitens (Jeffreys, 1876)
Pristiloma arcticum (Lehnert, 1884)
Pristiloma chersinella (Dall, 1886)
Pristiloma gabrielinum (S. S. Berry, 1924)
Pristiloma idahoense Pilsbry, 1902
Pristiloma johnsoni (Dall, 1895)
Pristiloma juniperum A. G. Smith, 1957
Pristiloma lansingi (Bland, 1875)
Pristiloma nicholsoni H. B. Baker, 1930
Pristiloma orotis (S. S. Berry, 1930)
Pristiloma pilsbryi Vanatta, 1899
Pristiloma shepardae (Hemphill, 1892)
Pristiloma stearnsi (Bland, 1875)
Pristiloma subrupicola (Dall, 1877)
Pristiloma wascoense (Hemphill, 1911)
Pristinicola hemphilli (Pilsbry, 1890)
Problacmaea apicina (Dall, 1879)
Problacmaea moskalevi Golikov and Kussakin, 1972
Problacmaea rubella (Fabricius, 1780)
Problacmaea sybaritica (Dall, 1872)
Probythinella emarginata (Kuster, 1852)
Probythinella protera Pilsbry, 1953
Prochaetoderma californicum Schwabl, 1963
Prochaetoderma yongei
Proctonotus mucroniferus (Adler and Hancock, 1844)
Prohyriopsis stolata (Martens, 1900)
Prolasmidonta heterodon (Lea, 1829)
Promachoteuthis megaptera Hoyle, 1885
Promenetus exacuous (Say, 1821)
Promenetus umbilicatellus (Cockerell, 1887)
Proneomenia acuminata Heath, 1918
Proneomenia sluiteri
Pronodularia japanensis (Lea, 1859)
Propeamussium cancellatum (E. A. Smith, 1885)
Propeamussium ceciliae Gregorio, 1884
Propeamussium dalli (E. A. Smith, 1886)
Propeamussium davidsoni (Dall, 1897)
Propeamussium holmesii (Dall, 1886)
Propeamussium lucidum (Jeffreys, 1873)
Propeamussium malpelonium
Propeamussium mendionale
Propeamussium pourtalesianum (Dall, 1886)
Propeamussium sayanum (Dall, 1886)
Propeamussium squamigerum (E. A. Smith, 1886)
Propeamussium thalassinum (Dall, 1886)
Propebela alitakensis (Dall, 1919)
Propebela angulosa (G. O. Sars, 1878)
Propebela arctica (A. Adams, 1855)
Propebela assimilis (G. O. Sars, 1878)
Propebela concinnula (A. E. Verrill, 1882)
Propebela exarata (Moller, 1842)
Propebela fidicula (Gould, 1849)
Propebela harpularia (Couthouy, 1838)
Propebela mitrata (Dall, 1919)
Propebela nobilis (Moller, 1842)
Propebela pingelii (Moller, 1842)
Propebela popovia (Dall, 1919)
Propebela rassina (Dall, 1919)
Propebela rugulata (Moller, 1866)
Propebela scalaris (Moller, 1842)
Propebela turricula (Montagu, 1803)
Prophysaon andersoni (J. G. Cooper, 1872)
Prophysaon boreale Pilsbry, 1948
Prophysaon coeruleum Cockerell, 1890
Prophysaon dubium Cockerell, 1890
Prophysaon fasciatum Cockerell, 1890
Prophysaon foliolatum (Gould, 1851)
Prophysaon humile Cockerell, 1890
Prophysaon obscurum Cockerell, 1890
Prophysaon vanattae Pilsbry, 1948
Propilidium ancyloides (Fairmaire, 1881)
Propilidium elegans (Verrill, 1884)
Propilidium exiguum (Thompson, 1844)
Propilidium lissocona (Dall, 1927)
Propilidium pertenue Jeffreys, 1882
Propilidium reticulatum (A. E. Verrill, 1885)
Propustularia surinamensis (G. Perry, 1811)
Protatlanta souleyeti (E. A. Smith, 1888)
Proterato gemma (Bavay, 1917)
Protocuspidaria atlantica Allen and Morgan, 1981
Protothaca asperrima (Sowerby, 1835)
Protothaca granulata (Gmelin, 1791)
Protothaca grata (Say, 1830)
Protothaca laciniata (Carpenter, 1864)
Protothaca metodon (Pilsbry and Lowe, 1932)
Protothaca pectorina (Lamarck, 1818)
Protothaca staminea (Conrad, 1837)
Protothaca tenerrima (Carpenter, 1857)
Protothaca thaca (Molina, 1782)
Protunio messageri (Bavay & Dautzenberg, 1901)
Prunum amabile (Redfield, 1852)
Prunum apicinum (Menke, 1828)
Prunum avenaceum (Deshayes, 1844)
Prunum boreale (A. E. Verrill, 1884)
Prunum carneum (Storer, 1837)
Prunum cassis (Dall, 1889)
Prunum evelynae (Bayer, 1943)
Prunum guttatum (Dillwyn, 1817)
Prunum nobilianum Bayer, 1943
Prunum roosevelti (Bartsch and Rehder, 1939)
Prunum roscidum (Redfield, 1860)
Prunum succinea (Conrad, 1846)
Prunum torticulum (Dall, 1881)
Prunum virginianum Conrad, 1868
Psammodoris thompsoni (Millen and Nybakken, 1987)
Psammotreta aurora (Hanley, 1844)
Psammotreta cognata (Pilsbry and Vanatta, 1902)
Psammotreta intastriata (Say, 1827)
Psammotreta obesa (Deshayes, 1855)
Pseudacteon tenellus (Loven, 1846)
Pseudanodonta complanata (Rossmässler, 1835)
Pseudobaphia aurea (Heude, 1885)
Pseudobaphia banggiangensis Bogan & Do, 2018
Pseudobaphia biesiana (Heude, 1877)
Pseudochama exogyra (Conrad, 1837)
Pseudochama granti Strong, 1934
Pseudochama inezae Bayer, 1943
Pseudochama radians (Lamarck, 1819)
Pseudococulina rugosoplicata Schepman, 1908
Pseudocuneopsis capitata (Heude, 1874)
Pseudocuneopsis sichuanensis Huang, Dai, Chen & Wu in Wu et al., 2022
Pseudocuneopsis wuana Liu & Wu in Liu et al., 2023
Pseudocuneopsis yangshuoensis Wu & Liu in Wu et al., 2023
Pseudocyphoma gibbulum Cate, 1978
Pseudocyphoma intermedium (G. B. Sowerby I, 1828)
Pseudocyphoma pyrifera Cate, 1973
Pseudocyphoma siphoni Cate, 1973
Pseudocyphoma vanhyningi (M. Smith, 1940)
Pseudodiala acuta (Carpenter, 1864)
Pseudodon aeneolus Drouët & Chaper, 1892
Pseudodon avae (Theobald, 1873)
Pseudodon cambodjensis (Petit de la Saussaye, 1865)
Pseudodon inoscularis (Gould, 1844)
Pseudodon lenyanensis (Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020)
Pseudodon mekongi (Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020)
Pseudodon nicobaricus (Mörch, 1872)
Pseudodon thomsoni Morlet, 1884
Pseudodon vagulus (Fischer, 1891)
Pseudodon vondembuschianus (Lea, 1840)
Pseudodon walpolei (Hanley, 1871)
Pseudodontoideus connasaugaensis (Lea, 1858)
Pseudodontoideus subvexus (Conrad, 1834)
Pseudodontopsis euphraticus (Bourguignat, 1852)
Pseudoliomesus ooides (Middendorff, 1848)
Pseudomalaxis centrifuga De Monterosata, 1890
Pseudomalaxis clenchi Jaume and Borro, 1946
Pseudomalaxis lamellifera Rehder, 1935
Pseudomalaxis nobilis A. E. Verrill, 1885
Pseudomalaxis zanclaeus (Philippi, 1844)
Pseudomelatoma eburnea (Carpenter, 1865)
Pseudomelatoma grippi (Dall, 1919)
Pseudomelatoma penicillata (Carpenter, 1865)
Pseudomelatoma sticta S. S. Berry, 1956
Pseudomelatoma torosa (Carpenter, 1864)
Pseudomiltha floridana (Conrad, 1833)
Pseudomiltha tixierae Klein, 1967
Pseudomulleria dalyi (E.A. Smith, 1898)
Pseudopythina compressa
Pseudopythina macandrewi (P. Fischer, 1867)
Pseudopythina rugifera
Pseudosabinella bakeri (Bartsch, 1917)
Pseudoscilla decorata (de Folin, 1873)
Pseudosimnia pyrifera Cate, 1973
Pseudosimnia sphoni Cate, 1973
Pseudosimnia vanhyningi (M. Smith, 1940)
Pseudospatha tanganyicensis (E. A. Smith, 1880)
Pseudostomatella coccinea (A. Adams, 1850)
Pseudostomatella erythrocoma (Dall, 1889)
Pseudostomatella papyraceus Gmelin, 1791
Pseudosubulina cheatumi Pilsbry, 1950
Pseudosuccinea columella (Say, 1817)
Pseudotaranis hyperia (Dall, 1919)
Pseudotaranis strongi (Arnold, 1903)
Pseudotorinia architae (O. G. Costa, 1841)
Pseudotorinia bullisi Bieler, Merrill and Boss, 1985
Pseudotryonia adamantina (Taylor, 1987)
Pseudotryonia alamosae (Taylor, 1987)
Pseudotryonia brevissima (Pilsbry, 1890)
Pseudotryonia grahamae F. G. Thompson, 2001
Pseudovermis boadeni Salvini-plawen and Sterrer, 1868
Pseudovermis papillifera Kowalevsky, 1901
Pseudunio auricularius (Spengler, 1793)
Pseudunio homsensis (Lea, 1865)
Pseudunio marocanus (Pallary, 1918)
Psilaxis krebsii (Morch, 1875)
Psiloteredo dilitata (Stimpson, 1851)
Psiloteredo megotara (Hanley, 1848)
Psiloteredo nana Turton, 1822
Psoronaias distincta (Crosse & Fischer, 1893)
Psoronaias guatemalensis (Simpson, 1900)
Psoronaias herrerae (Marshall, 1923)
Psoronaias kuxensis Frierson, 1917
Psoronaias martensi Frierson, 1927
Psoronaias ostreata (Morelet, 1849)
Psoronaias percompressa (Martens, 1887)
Psoronaias profunda (Simpson, 1914)
Psoronaias quadrata (Simpson, 1914)
Psoronaias salinarum (Haas, 1929)
Psoronaias semigranosa (von dem Busch in Philippi, 1843)
Psoronaias usumasintae (Crosse & Fischer, 1892)
Psychroteuthis glacialis Thiele, 1920
Pteria colymbus (Roding, 1798)
Pteria hirundo (Linnaeus, 1758)
Pteria longisquamosa (Dunker, 1852)
Pteria sterna (Gould, 1851)
Pteria vitrea (Reeve, 1857)
Pterochelus ariomus (Clench and Perez-farfonte, 1945)
Pteroctopus eurycephala (Taki, 1964)
Pteroctopus hoylei (Berry, 1909)
Pteroctopus schmidti (Joubin, 1933)
Pteroctopus tetracirrhus (Chiaie, 1830 in 1823-1831)
Pteroctopus witjazi Akimushkin, 1963
Pteromeris perplana (Conrad, 1841)
Pteropurpura bequaerti (Clench and Perez Farfante, 1945)
Pteropurpura festiva (Hinds, 1844)
Pteropurpura macroptera (Deshayes, 1839)
Pteropurpura trialata (G. B. Sowerby II, 1834)
Pteropurpura vokesae Emerson, 1964
Pterotrachea coronata Forskal, 1775
Pterotrachea hippocampus Philippi, 1836
Pterotrachea keraudrenii J. E. Gray, 1850
Pterotrachea minuta
Pterotrachea scutata Gegenbaur, 1855
Pterotyphis triangularis (A. Adams, 1855)
Pterygioteuthis gemmata Chun, 1908
Pterygioteuthis giardi Fischer, 1896
Pterygioteuthis microlampas Berry, 1913
Pterynotus ariomus (Clench and Perez Farfante, 1945)
Pterynotus macleani Emerson and D'attilio, 1968
Pterynotus phaneus (Dall, 1889)
Pterynotus phillipsi E. H. Vokes, 1966
Pterynotus phyllopterus (Lamarck, 1822)
Pterynotus pinniger (Broderip, 1833)
Ptychatractus ligatus (Mighels and C. B. Adams, 1842)
Ptychatractus occidentalis Stearns, 1873
Ptychobranchus fasciolaris (Rafinesque, 1820)
Ptychobranchus foremanianus (Lea, 1842)
Ptychobranchus greenii (Conrad, 1834)
Ptychobranchus jonesi (van der Schalie, 1934)
Ptychobranchus occidentalis (Conrad, 1836)
Ptychobranchus subtentus (Say, 1825)
Ptychorhynchus denserugata (Haas, 1910)
Ptychorhynchus liuovatus (He & Zhuang, 2013)
Ptychorhynchus murinum (Heude, 1883)
Ptychorhynchus pfisteri (Heude, 1874)
Ptychorhynchus resupinatus (Martens, 1902)
Ptychorhynchus schoedei (Haas, 1930)
Ptychorhynchus schomburgianum (Heude, 1885)
Ptychosalpinx globulus (Dall, 1889)
Puberella intapurpurea (Conrad, 1849)
Puberella pubera (Bory Saint-Vincent, 1827)
Pugnus lachrimula (Gould, 1862)
Pugnus serrei (Bavay, 1911)
Pulsellum aberrans (Whiteaves, 1887)
Pulsellum lobatum (G. B. Sowerby II, 1860)
Pulsellum lofotense (M. Sars, 1865)
Pulsellum occidentale (J. B. Henderson, 1920)
Pulsellum salishorum E. Marshall, 1980
Pulsellum verrilli (J. B. Henderson, 1920)
Pulvinites adansoni De France, 1824
Punctum blandianum Pilsbry, 1900
Punctum californicum Pilsbry, 1898
Punctum conspectum (Bland, 1865)
Punctum hannai Roth, 1985
Punctum minutissimum (I. Lea, 1841)
Punctum randolphi (Dall, 1895)
Punctum smithi Morrison, 1935
Punctum vitreum (H. B. Baker, 1930)
Puncturella abyssicola Verrill, 1885
Puncturella acuminata Watson, 1883
Puncturella agger Watson, 1883
Puncturella antillana Farfante, 1947
Puncturella asturiana (P. Fischer, 1882)
Puncturella billsae Perex Farfante, 1947
Puncturella borroi Farfante, 1947
Puncturella brychia Watson, 1883
Puncturella caryophylla Dall, 1914
Puncturella circularis Dall, 1881
Puncturella cooperi Carpenter, 1864
Puncturella cucullata (Gould, 1846)
Puncturella decorata I. M. Cowan and J. H. Mclean, 1968
Puncturella erecta Dall, 1889
Puncturella expansa (Dall, 1896)
Puncturella galeata (Gould, 1846)
Puncturella larva Dall, 1927
Puncturella longifissa Dall, 1914
Puncturella major Dall, 1891
Puncturella multistriata Dall, 1914
Puncturella noachina (Linnaeus, 1771)
Puncturella oxia Watson, 1883
Puncturella pacifica Cowan, 1969
Puncturella pauper Dall, 1927
Puncturella plecta Watson, 1883
Puncturella profundi Jeffreys, 1877
Puncturella punctocostata S. S. Berry, 1947
Puncturella rothi McLean, 1984
Puncturella sportella Watson, 1882
Puncturella tenuicola Dall, 1927
Puncturella trifolium Dall, 1881
Pupa pudica
Pupa tessellata
Puperita pupa (Linnaeus, 1767)
Pupilla blandi E. S. Morse, 1865
Pupilla hebes (Ancey, 1881)
Pupilla muscorum (Linnaeus, 1758)
Pupilla sonorana (Sterki, 1899)
Pupilla syngenes (Pilsbry, 1890)
Pupisoma dioscoricola (C. B. Adams, 1845)
Pupisoma macneilli (G. H. Clapp, 1918)
Pupisoma minus Pilsbry, 1920
Pupoides albilabris (C. B. Adams, 1841)
Pupoides hordaceus (Gabb, 1866)
Pupoides inornatus Vanatta, 1915
Pupoides modicus (Gould, 1848)
Purpura patula (Linnaeus, 1758)
Pusillina inconspicua (Alder, 1844)
Pusillina pseudoareolata (Waren, 1974)
Pusillina sarsi (Loven, 1846)
Pusillina turrita (Monterosato, 1890)
Pustulosa archeri (Frierson, 1905)
Pustulosa infucata (Conrad, 1834)
Pustulosa kieneriana (Lea, 1852)
Pustulosa kleiniana (Lea, 1852)
Pustulosa necki (Burlakova, Karatayev, Lopes-Lima & Bogan in Burlakova et al., 2018)
Pustulosa nodulata (Rafinesque, 1820)
Pustulosa petrina (Gould, 1855)
Pustulosa pustulosa (Lea, 1831)
Pustulosa succissa (Lea, 1852)
Pusula californiana (J. E. Gray, 1827)
Pusula californica (G. B. Sowerby II, 1832)
Pusula maltbiana (Schwengel and McGinty, 1942)
Pusula padreserrai Cate, 1979
Pycnodonte fischeri Dall, 1914
Pycnodonte hyotis (Linnaeus, 1758)
Pyganodon cataracta (Say, 1817)
Pyganodon fragilis (Lamarck, 1819)
Pyganodon gibbosa (Say, 1824)
Pyganodon grandis (Say, 1829)
Pyganodon lacustris (Lea, 1857)
Pyramidella adamsi (Carpenter, 1864)
Pyramidella bicolor
Pyramidella camara
Pyramidella candida Morch, 1875
Pyramidella crassula Forbes, 1843
Pyramidella crenulata (Holmes, 1860)
Pyramidella dolabrata (Linnaeus, 1758)
Pyramidella fusca
Pyramidella lissa
Pyramidella mazatlantica Dall and Bartsch, 1909
Pyramidella mexicana Dall and Bartsch, 1909
Pyramidella resticula (Dall, 1889)
Pyramidella subdolabrata
Pyramidella terebellum Muller, 1886
Pyramidella unifasciata Forbes, 1843
Pyramidella ventricosa Forbes, 1843
Pyrgocythara balteata (Reeve, 1846)
Pyrgocythara canoidissima (C. B. Adams, 1845)
Pyrgocythara densestriata (C. B. Adams, 1850)
Pyrgocythara dubia
Pyrgocythara filosa Rehder, 1943
Pyrgocythara hemphilli Bartsch and Rehder, 1939
Pyrgocythara metria (Dall, 1903)
Pyrgocythara plicosa (C. B. Adams, 1850)
Pyrgophorus parvulus (Guilding, 1828)
Pyrgophorus platyrachis F. G. Thompson, 1968
Pyrgophorus spinosus (Call and Pilsbry, 1886)
Pyrgospira obeliscus (Reeve, 1843)
Pyrgospira ostrearum (Stearns, 1872)
Pyrgospira tampaensis (Bartsch and Rehder, 1939)
Pyrgulina edgarii Melvill, 1897
Pyrgulina epentroma Melvill, 1897
Pyrgulina maiae Hornung and Mermod, 1924
Pyrgulina melvilli Dautz. et Fischer, 1906
Pyrgulina oodes
Pyrgulina purpaeformis Souverbie, 1865
Pyrgulina ventricosa Horning and Mermod, 1925
Pyrgulopsis aardahli Hershler, 1989
Pyrgulopsis aloba Hershler, 1998
Pyrgulopsis amargosae Hershler, 1989
Pyrgulopsis anatina Hershler, 1998
Pyrgulopsis anguina Hershler, 1998
Pyrgulopsis archimedis S. S. Berry, 1947
Pyrgulopsis arizonae (Taylor, 1987)
Pyrgulopsis augustae Hershler, 1998
Pyrgulopsis aurata Hershler, 1998
Pyrgulopsis avernalis (Pilsbry, 1935)
Pyrgulopsis bacchus Hershler, 1988
Pyrgulopsis basiglans Hershler, 1998
Pyrgulopsis bedfordensis Hershler and Gustafson, 2001
Pyrgulopsis bernardina (Taylor, 1987)
Pyrgulopsis bifurcata Hershler, 1998
Pyrgulopsis blainica Hershler, Liu and Gustafson, 2008
Pyrgulopsis breviloba Hershler, 1998
Pyrgulopsis bruesi Hershler and Sada, 2000
Pyrgulopsis bruneauensis Hershler, 1990
Pyrgulopsis bryantwalkeri Hershler, 1994
Pyrgulopsis californiensis (Gregg and Taylor, 1965)
Pyrgulopsis carinata Hershler, 1998
Pyrgulopsis carinifera (Pilsbry, 1935)
Pyrgulopsis castaicensis Hershler and Liu, 2010
Pyrgulopsis chamberlini Hershler, 1998
Pyrgulopsis chupaderae Taylor, 1987
Pyrgulopsis cinerana Hershler, Frest, Liu and Johannes, 2003
Pyrgulopsis coloradensis Hershler, 1998
Pyrgulopsis conica Hershler, 1988
Pyrgulopsis cruciglans Hershler, 1998
Pyrgulopsis crystalis Hershler and Sada, 1987
Pyrgulopsis cybele Hershler and Liu, 2012
Pyrgulopsis davisi (Taylor, 1987)
Pyrgulopsis deaconi Hershler, 1998
Pyrgulopsis deserta (Pilsbry, 1916)
Pyrgulopsis diablensis Hershler, 1995
Pyrgulopsis dixiensis Hershler, 1998
Pyrgulopsis eremica Hershler, 1995
Pyrgulopsis erythropoma (Pilsbry, 1899)
Pyrgulopsis fairbanksensis Hershler and Sada, 1987
Pyrgulopsis falciglans Hershler, Frest, Liu and Johannes, 2003
Pyrgulopsis fausta Hershler, 1998
Pyrgulopsis fresti Hershler and Liu, 2009
Pyrgulopsis fusca Hershler, 1998
Pyrgulopsis gibba Hershler, 1995
Pyrgulopsis gilae (Taylor, 1987)
Pyrgulopsis giuliani Hershler and Pratt, 1990
Pyrgulopsis glandulosa Hershler, 1988
Pyrgulopsis gracilis Hershler, 1998
Pyrgulopsis greggi Hershler, 1995
Pyrgulopsis hamlinensis Hershler, 1998
Pyrgulopsis hovinghi Hershler, 1998
Pyrgulopsis hualapaiensis Hershler, Liu and Stevens, 2016
Pyrgulopsis hubbsi Hershler, 1998
Pyrgulopsis humboldtensis Hershler, 1998
Pyrgulopsis ignota Hershler, Liu and Lang, 2010
Pyrgulopsis imperialis Hershler, 1998
Pyrgulopsis inopinata Hershler, 1998
Pyrgulopsis intermedia (Tryon, 1865)
Pyrgulopsis isolata Hershler and Sada, 1987
Pyrgulopsis kolobensis (Taylor, 1987)
Pyrgulopsis landyei Hershler, 1998
Pyrgulopsis lasseni Hershler, Frest, Liu and Johannes, 2003
Pyrgulopsis lata Hershler, 1998
Pyrgulopsis lentiglans Hershler, 1998
Pyrgulopsis leporina Hershler, 1998
Pyrgulopsis limaria Hershler, 1998
Pyrgulopsis lindae Hershler, Liu, Babbitt, Kellogg and Howard, 2016
Pyrgulopsis lindahlae Hershler, Liu, Forsythe, Hovingh and Wheeler, 2017
Pyrgulopsis lockensis Hershler, 1998
Pyrgulopsis longae Hershler, 1995
Pyrgulopsis longiglans Hershler, 1998
Pyrgulopsis longinqua (Gould, 1855)
Pyrgulopsis marcida Hershler, 1998
Pyrgulopsis marilynae Hershler, Ratcliffe, Liu, Lang and Hay, 2014
Pyrgulopsis merriami (Pilsbry and Beecher, 1892)
Pyrgulopsis metcalfi (Taylor, 1987)
Pyrgulopsis micrococcus (Pilsbry, 1893)
Pyrgulopsis militaris Hershler, 1998
Pyrgulopsis millenaria Hershler, 1998
Pyrgulopsis milleri Hershler and Liu, 2010
Pyrgulopsis montana Hershler, 1998
Pyrgulopsis montezumensis Hershler, 1988
Pyrgulopsis morrisoni Hershler, 1988
Pyrgulopsis nanus Hershler and Sada, 1987
Pyrgulopsis neomexicana (Pilsbry, 1916)
Pyrgulopsis neritella Hershler, 1998
Pyrgulopsis nevadensis (Stearns, 1883)
Pyrgulopsis nonaria Hershler, 1998
Pyrgulopsis notidicola Hershler, 1998
Pyrgulopsis nuwuvi Hershler, Liu, Forsythe, Hovingh and Wheeler, 2017
Pyrgulopsis ojaiensis Hershler, Liu, Babbitt, Kellogg and Howard, 2016
Pyrgulopsis orbiculata Hershler, 1998
Pyrgulopsis owensensis Hershler, 1989
Pyrgulopsis owyheensis Hershler and Liu, 2009
Pyrgulopsis papillata Hershler, 1998
Pyrgulopsis pecosensis (Taylor, 1987)
Pyrgulopsis peculiaris Hershler, 1998
Pyrgulopsis pellita Hershler, 1998
Pyrgulopsis perturbata Hershler, 1989
Pyrgulopsis pictilis Hershler, 1998
Pyrgulopsis pilsbryana (J. L. Baily and R. I. Baily, 1952)
Pyrgulopsis pisteri Hershler and Sada, 1987
Pyrgulopsis planulata Hershler, 1998
Pyrgulopsis plicata Hershler, 1998
Pyrgulopsis robusta (Walker, 1908)
Pyrgulopsis roswellensis (Taylor, 1987)
Pyrgulopsis ruinosa Hershler, 1998
Pyrgulopsis rupinicola Hershler, Frest, Liu and Johannes, 2003
Pyrgulopsis sadai Hershler, 1998
Pyrgulopsis santaclarensis Hershler, Liu, Forsythe, Hovingh and Wheeler, 2017
Pyrgulopsis sathos Hershler, 1998
Pyrgulopsis saxatilis Hershler, 1998
Pyrgulopsis serrata Hershler, 1998
Pyrgulopsis similis Hershler, Ratcliffe, Liu, Lang and Hay, 2014
Pyrgulopsis simplex Hershler, 1988
Pyrgulopsis sola Hershler, 1988
Pyrgulopsis stearnsiana (Pilsbry, 1899)
Pyrgulopsis sterilis Hershler, 1998
Pyrgulopsis sublata Hershler, 1998
Pyrgulopsis sulcata Hershler, 1998
Pyrgulopsis taylori Hershler, 1995
Pyrgulopsis texana (Pilsbry, 1935)
Pyrgulopsis thermalis (Taylor, 1987)
Pyrgulopsis thompsoni Hershler, 1988
Pyrgulopsis torrida Hershler, Liu, Babbitt, Kellogg and Howard, 2016
Pyrgulopsis transversa Hershler, 1998
Pyrgulopsis trivialis (Taylor, 1987)
Pyrgulopsis turbatrix Hershler, 1998
Pyrgulopsis umbilicata Hershler, 1998
Pyrgulopsis variegata Hershler, 1998
Pyrgulopsis varneri Heshler, Liu and Sada, 2007
Pyrgulopsis ventricosa Hershler, 1995
Pyrgulopsis villacampae Hershler, 1998
Pyrgulopsis vinyardi Hershler, 1998
Pyrgulopsis wongi Hershler, 1989
Pyroteuthis addolux Young, 1972
Pyroteuthis margaritifera (Rüppell, 1844)
Pyroteuthis serrata Riddell, 1985
Pyrulofusus deformis (Reeve, 1847)
Pyrulofusus dexius (Dall, 1907)
Pyrulofusus harpa (Mörch, 1857)
Pyrulofusus melonis (Dall, 1891)
Pyrunculus caelatus (Bush, 1885)
Pyrunculus conulus (Deshayes, 1832)
Pyrunculus ovatus (Jeffreys, 1871)
Pythinella cuneata (A. E. Verrill and Bush, 1898)
Quadrula couchiana (Lea, 1860)
Quadrula fragosa (Conrad, 1836)
Quadrula nobilis (Conrad, 1854)
Quadrula quadrula (Rafinesque, 1820)
Quadrula verrucosa (Rafinesque, 1820)
Quasicorambe pacifica (MacFarland and O'Donoghue, 1929)
Quidnipagus palatam (Iredale, 1929)
Quoyula kalafuti Petuch, 1987
Rabdotus alternatus (Say, 1830)
Rabdotus dealbatus (Say, 1821)
Rabdotus mooreanus (Pfeiffer, 1868)
Rabdotus nigromontanus (Dall, 1897)
Rabdotus pilsbryi (Ferriss, 1925)
Radiatula chaudhurii (Preston, 1912)
Radiatula chindwinensis Bolotov, Konopleva, Vikhrev, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova, Gofarov et al., 2019
Radiatula crispisulcata (Benson, 1862)
Radiatula kachinensis Bolotov, Konopleva, Chan, Lunn, Win, Gofarov, Kondakov, Tomilova & Vikhrev, 2022
Radiatula mouhoti Vikhrev, Bolotov & Konopleva in Bolotov et al., 2017
Radiatula myitkyinae (Prashad, 1930)
Radiatula myitthanensis Bolotov, Konopleva, Vikhrev, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova, Gofarov et al., 2019
Radiocentrum avalonense (Hemphill, 1905)
Radiocentrum chiricahuanum (Pilsbry, 1905)
Radiocentrum clappi (Ferriss, 1904)
Radiocentrum ferrissi (Pilsbry, 1915)
Radiocentrum hachetanum (Pilsbry, 1915)
Radiodiscus abietum H. B. Baker, 1930
Radiodiscus millecostatus Pilsbry and Ferriss, 1906
Radix auricularia (Linnaeus, 1758)
Radix peregra (Müller, 1774)
Raeta plicatella (Lamarck, 1818)
Raeta undulata (Gould, 1851)
Rangia cuneata (G. B. Sowerby I, 1831)
Rangia flexuosa (Conrad, 1840)
Raphitoma boothii (Brown, 1839)
Raphitoma echinata (Brocchi, 1814)
Raphitoma linearis (Montagu, 1803)
Raphitoma purpurea (Montagu, 1803)
Recluzia rollandiana Petit de la Saussaye, 1853
Rectidens sumatrensis (Dunker, 1852)
Reginaia apalachicola (Williams & Fradkin, 1999)
Reginaia ebenus (Lea, 1831)
Reginaia rotulata (B. H. Wright, 1899)
Reticulatus elvae (Walker, 1924)
Reticulatus reticulatus (Simpson, 1900)
Retilaskeya bicolor (C. B. Adams, 1845)
Retimohnia caelata (Verrill and Smith, 1880)
Retimohnia carolinensis (Verrill, 1884)
Retimohnia clementinus (Dall, 1919)
Retimohnia robusta (Dall, 1913)
Retimohnia vernalis (Dall, 1913)
Retusa alba
Retusa mayoi (Dall, 1889)
Retusa montereyensis A. G. Smith and M. Gordon, 1948
Retusa obtusa (Montagu, 1803)
Retusa ovata
Retusa semen (Reeve, 1855)
Retusa sulcata (d'Orbigny, 1841)
Retusa truncatula
Retusa umbilicata (Montagu, 1803)
Retusa xystrum Dall, 1919
Rhabdus dalli (Pilsbry and Sharp, 1897)
Rhabdus rectius (Carpenter, 1865)
Rhabdus watsoni (Sharp and Pilsbry, 1897)
Rhamphidonta retifera (Dall, 1899)
Rhapinema dacryon F. G. Thompson, 1969
Rhinodiaphana ventricosa (Jeffreys, 1865)
Rhodacmea cahawbensis (Walker, 1917)
Rhodacmea elatior (Anthony, 1855)
Rhodacmea filosa (Conrad, 1834)
Rhodacmea hinkleyi (Walker, 1908)
Rhodope veranyi
Rhodopetala rosea (Dall, 1872)
Rhodopetoma diaulax (Dall, 1908)
Rhodopetoma renaudi (Arnold, 1903)
Rhodopetoma rhodope (Dall, 1919)
Rhombinella laevigata (Linnaeus, 1758)
Rhomboidella prideaux (Leach, 1915)
Rhombuniopsis fultoni Moskvicheva & Starobogatov, 1973
Rhombuniopsis superstes (Neumayr, 1899)
Rhombuniopsis tauriformis (Fulton, 1906)
Rhopalomenia aglaopheniae (Kowalevsky and Marion, 1887)
Rictaxis painei (Dall, 1903)
Rictaxis punctocaelatus (Carpenter, 1864)
Rictaxis punctostriatus (C. B. Adams, 1840)
Rimosodaphnella morra (Dall, 1881)
Rimosodaphnella semicolon (S. V. Wood, 1842)
Rimula aequisculpta Dall, 1927
Rimula californiana S. S. Berry, 1964
Rimula dorriae Perez Farfante, 1947
Rimula frenulata (Dall, 1889)
Rimula mexicana S. S. Berry. 1969
Rimula pycnonema Pilsbry, 1943
Ringicula nitida A. E. Verrill, 1873
Ringicula peracuta
Ringicula ringens
Ringicula semistriata D'Orbigny, 1842
Rissoa bermudezi Aguayo and Rehder, 1936
Rissoa curta Dall, 1927
Rissoa guerini
Rissoa inconspicua
Rissoa interrupta (J. Adams, 1800)
Rissoa labiosa (Montagu, 1803)
Rissoa lepida Woodring, 1928
Rissoa lilacina Récluz, 1843
Rissoa listeri Dall, 1927
Rissoa membranacea
Rissoa parva
Rissoa pompholyx Dall, 1927
Rissoa pyrrhais Watson, 1885
Rissoa syngenes Verrill, 1884
Rissoa toroensis Olsson and McGinty, 1958
Rissoa xanthias Watson, 1885
Rissoella alaskensis (Bartsch, 1907)
Rissoella caribaea Rehder, 1943
Rissoella diaphana
Rissoella hertleini A. G. Smith and M. Gordon, 1948
Rissoina barthelowi Bartsch, 1915
Rissoina basilirata Baker, Hanna, and Strong, 1930
Rissoina bryerea (Montagu, 1803)
Rissoina burragei Bartsch, 1915
Rissoina californica Bartsch, 1915
Rissoina cancellata Philippi, 1847
Rissoina catesbyana Orbigny, 1842
Rissoina cerrosensis Bartsch, 1915
Rissoina chesnelii (Michaud, 1830)
Rissoina decussata (Montagu, 1803)
Rissoina dyscrita Faber, 1990
Rissoina ephamilla
Rissoina expansa Carpenter, 1865
Rissoina firmata (C. B. Adams, 1852)
Rissoina fischeri Desjardin, 1949
Rissoina hannai A. G. Smith and Gordon, 1948
Rissoina histia Bartsch, 1915
Rissoina keenae A. G. Smith and M. Gordon, 1948
Rissoina lapazana Bartsch, 1915
Rissoina mayori Dall, 1927
Rissoina melanelloides Baker, Hanna, and Strong, 1930
Rissoina mexicana Bartsch, 1915
Rissoina miltozona
Rissoina multicostata (C. B. Adams, 1850)
Rissoina nereina Bartsch, 1915
Rissoina newcombei Dall, 1897
Rissoina peninsularis Bartsch, 1915
Rissoina porteri Baker, Hanna, and Strong, 1930
Rissoina pulchella
Rissoina sagraiana D'Orbigny, 1842
Rissoina shaferi Mcginty, 1962
Rissoina stricta Menke, 1850
Rissoina striosa (C. B. Adams, 1850)
Rissoina triticea
Rissoina turricula
Rissopsetia hummelincki Faber, 1984
Robsonella fontaniana (D'Orbigny, 1834 in 1834-1847)
Robsonella huttoni Benham, 1943
Rochefortia compressa Dall, 1913
Rochefortia grippi Dall, 1912
Rochefortia tumida (Carpenter, 1864)
Rondeletiola minor (Naef, 1912)
Roperia poulsoni (Carpenter, 1864)
Rossia brachyura Verrill, 1883
Rossia bullisi Voss, 1956
Rossia glaucopis Loven, 1845
Rossia macrosoma (Chiaie, 1830 in 1823-1831)
Rossia megaptera Verrill, 1881 in 1880-1881
Rossia moelleri Steenstrup, 1856
Rossia mollicella Sasaki, 1920
Rossia pacifica Berry, 1911
Rossia palpebrosa Owen, 1834
Rossia tortugaensis Voss, 1956
Rostanga pulchra MacFarland, 1905
Rostanga rubra (Risso, 1818)
Rothelix cuyamacensis (Pilsbry, 1895)
Rothelix lowei (Bartsch, 1918)
Rothelix rhodophila (Reeder and W. B. Miller, 1987)
Rothelix warnerfontis (Reeder and W. B. Miller, 1988)
Roxania semilaevis (Sequenza, 1880)
Roxania utriculus (Brocchi, 1814)
Rubellatoma diomedea Bartsch and Rehder, 1939
Rubellatoma rubella (Kurtz and Stimpson, 1851)
Rumina decollata (Linnaeus, 1758)
Runcina coronata (Quatrefages, 1844)
Runcina divae (Ev. Marcus and Er. Marcus, 1963)
Runcina ferruginea Kress, 1977
Runcina macfarlandi Gosliner, 1991
Rupellaria cancellata (A. E. Verrill, 1885)
Rupellaria denticulata (Sowerby, 1834)
Rupellaria tellimyalis (Carpenter, 1864)
Sabia conica (Schumacher, 1817)
Sabinella bakeri Bartsch, 1917
Sabinella troglodytes (Thiele, 1925)
Saccharoturris monocingulata (Dall, 1889)
Saccostrea cuccullata (Born, 1778)
Sagittunio aldermani Watters, 2018
Sagittunio nasutus (Say, 1817)
Sagittunio subrostratus (Say, 1831)
Sagittunio vaughanianus (Lea, 1838)
Sakuraeolis enosimensis (Baba, 1930)
Sandalops melancholicus Chun, 1906
Sanguinolaria cruenta (Lightfoot, 1786)
Sanguinolaria sanguinolenta (Gmelin, 1791)
Sansonia tuberculata (Watson, 1886)
Sarasinula plebeia (P. Fischer, 1868)
Sarasomia plebeia (P. Fischer, 1898)
Sassia apenninica (Sassi, 1827)
Saturnia corpulenta (Dall, 1881)
Saturnia subovata Verrill and Bush, 1897
Saxicavella jeffreysi Winkworth, 1930
Saxicavella nybakkeni Scott, 1994
Saxicavella pacifica Dall, 1916
Saxidomus gigantea (Deshayes, 1839)
Saxidomus nuttalli Conrad, 1837
Sayella chesapeakea Morrison, 1939
Sayella crosseana (Dall, 1885)
Sayella fusca (C. B. Adams, 1839)
Sayella hemphili (Dall, 1889)
Sayella hemphillii (Dall, 1884)
Sayella livida Rehder, 1935
Sayella unifasciata
Scabiellus songkramensis (Kongim & Panha in Kongim et al., 2015)
Scabies anceps (Deshayes in Deshayes & Jullien, 1876)
Scabies crispata (Gould, 1843)
Scabies humilis (Lea, 1856)
Scabies mandarinus (Morelet, 1864)
Scabies nucleus (Lea, 1856)
Scabies phaselus (Lea, 1856)
Scabies pilata (Lea, 1866)
Scabies scobinatus (Lea, 1856)
Scabrotrophon cerritensis (Arnold, 1903)
Scabrotrophon clarki J. H. McLean, 1996
Scabrotrophon densicostatus (Golikov, 1985)
Scabrotrophon grovesi J. H. McLean, 1996
Scabrotrophon lasius (Dall, 1919)
Scabrotrophon maltzani (Kobelt and Kuster, 1878)
Scabrotrophon rossica (Egorov, 1993)
Scabrotrophon scarlatoi (Golikov and Sirenko, 1992)
Scabrotrophon scitulus (Dall, 1891)
Scaeurgus patagiatus Berry, 1913
Scaeurgus unicirrhus (Chiaie, 1839-41 in Férussac and D'Orbigny, 1834-1848)
Scalenostoma babylonia Bartsch, 1912
Scaliola gracilis
Scaphander bathymorphila Dall, 1881
Scaphander darius Marcus and Marcus, 1967
Scaphander lignarius (Linnaeus, 1767)
Scaphander pilsbryi McGinty, 1955
Scaphander punctostriatus (Mighels and C. B. Adams, 1842)
Scaphander watsoni Dall, 1881
Scaphander willetti Dall, 1919
Scaphella aguayoi (Clench, 1940)
Scaphella dohrni (G. B. Sowerby III, 1903)
Scaphella dubia (Broderip, 1827)
Scaphella evelina F. M. Bayer, 1971
Scaphella gouldiana (Dall, 1887)
Scaphella junonia (Lamarck, 1804)
Scaphella piratica (Clench and Aguayo, 1940)
Scaphella torrei (Pilsbry, 1937)
Scelidotoma bella (Gabb, 1865)
Schepmania nieuwenhuisi (Schepman, 1898)
Schepmania parcesculpta (Martens, 1903)
Schistodesmus lampreyanus (Baird & Adams, 1867)
Schistodesmus spinosus (Simpson, 1900)
Schizobrachium polycotylum Meisenheimer, 1903
Schizoplax brandtii (Middendorff, 1847)
Schwartziella bakeri (Bartsch, 1902)
Schwartziella bouryi (Desjardin, 1949)
Schwartziella bryerea (Montagu, 1803)
Schwartziella catesbyana (d'Orbigny, 1842)
Schwartziella cleo (Bartsch, 1915)
Schwartziella coronadoensis (Bartsch, 1915)
Schwartziella dalli (Bartsch, 1915)
Schwartziella fischeri Desjardin, 1949
Schwartziella hannai (A. G. Smith and M. Gordon, 1948)
Scintillona bellerophon O'Foighil and Gibson, 1984
Scissilabra dalli Bartsch, 1907
Scissurella alta Watson, 1886
Scissurella caliana Dall, 1919
Scissurella cingulata O. G. Costa, 1861
Scissurella coronata Watson, 1866
Scissurella lacuniformis Watson, 1886
Scissurella laevigata Orbigny, 1824
Scissurella lamellata (A. Adams, 1862)
Scissurella lyra S. S. Berry, 1947
Scissurella proxima Dall, 1927
Scissurella soyoae (Habe, 1951)
Scissurella tabulata Watson, 1886
Sclerodoris tanya (Ev. Marcus, 1971)
Sconsia nephele F. M. Bayer, 1971
Sconsia striata (Lamarck, 1816)
Scrobicularia plana
Scurria mesoleuca (Menke, 1851)
Scutopus megaradulatus Salvini-Plawen, 1972
Scutopus robustus Salvini-plawen, 1970
Scutopus ventrolineatus Salvini-Plawen, 1968
Scyllaea pelagica Linnaeus, 1758
Searlesia modesta (Gould, 1860)
Securicauda hermani Leonard, Chichester, Richart and Young, 2011
Seguenzia caliana Dall, 1919
Seguenzia carinata Jeffreys, 1876
Seguenzia certoma Dall, 1919
Seguenzia cervola Dall, 1919
Seguenzia elegans Jeffreys, 1876
Seguenzia eritima Verrill, 1884
Seguenzia floridana Dall, 1927
Seguenzia formosa Jeffreys, 1876
Seguenzia giovia Dall, 1919
Seguenzia hapala Woodring, 1928
Seguenzia ionica Watson, 1879
Seguenzia monocingulata Sequenza, 1876
Seguenzia rushi Dall, 1927
Seguenzia trispinosa Watson, 1888
Seila adamsi (H. C. Lea, 1845)
Seila adamsii (H. C. Lea, 1845)
Seila montereyensis Bartsch, 1907
Selenoteuthis scintillans Voss, 1959
Semele bellastriata (Conrad, 1837)
Semele decisa (Conrad, 1837)
Semele incongrua Carpenter, 1864
Semele proficua (Pulteney, 1799)
Semele pulchra (G. B. Sowerby I, 1832)
Semele purpurascens (Gmelin, 1791)
Semele rubicola Dall, 1915
Semele rubropicta Dall, 1871
Semele rupicola Dall, 1915
Semele venusta (Reeve, 1853)
Semelina nuculoides (Conrad, 1841)
Semierycina nitida (Turton, 1822)
Semierycina tenera (Jeffreys, 1881)
Seminella varia
Semirossia equalis (Voss, 1950)
Semirossia patagonica (Smith, 1881)
Semirossia tenera (Verrill, 1880)
Sepia aculeata Van Hasselt, 1835 in Férussac and D'Orbigny, 1834-1848
Sepia acuminata Smith, 1916
Sepia adami Roeleveld, 1972
Sepia andreana Steenstrup, 1875
Sepia angulata Roeleveld, 1972
Sepia apama Gray, 1849
Sepia appellofi Wülker, 1910
Sepia arabica Massy, 1916
Sepia aureomaculata Okutani and Horikawa, 1987
Sepia australis Quoy and Gaimard, 1832
Sepia bandensis Adam, 1939
Sepia bartletti (Iredale, 1954)
Sepia bathyalis Khromov, Nikitina and Nesis, 1991
Sepia baxteri (Iredale, 1940)
Sepia bertheloti D'Orbigny, 1835 in Férussac and D'Orbigny, 1834-1848
Sepia braggi Verco, 1907
Sepia brevimana Steenstrup, 1875
Sepia burnupi Hoyle, 1904
Sepia carinata Sasaki, 1920
Sepia chirotrema Berry, 1918
Sepia confusa Smith, 1916
Sepia cottoni Adam, 1979
Sepia cultrata Hoyle, 1885
Sepia dannevigi Berry, 1918
Sepia dollfusi Adam, 1941
Sepia dubia Adam and Rees, 1966
Sepia elegans Blainville, 1827
Sepia elliptica Hoyle, 1885
Sepia elobyana Adam, 1941
Sepia elongata D'Orbigny, 1839-1842 in Férussac and D'Orbigny, 1834-1848
Sepia erostrata Sasaki, 1929
Sepia esculenta Hoyle, 1885
Sepia faurei Roeleveld, 1972
Sepia foliopeza Okutani and Tagawa, 1987
Sepia gibba Ehrenberg, 1831
Sepia hedleyi Berry, 1918
Sepia hieronis (Robson, 1924)
Sepia hierredda Rang, 1835 in Férussac and D'Orbigny, 1834-1848
Sepia incerta Smith, 1916
Sepia insignis Smith, 1916
Sepia irvingi Meyer, 1909
Sepia ivanovi Khromov, 1982
Sepia joubini Massy, 1927
Sepia kiensis Hoyle, 1885
Sepia kobiensis Hoyle, 1885
Sepia latimanus Quoy and Gaimard, 1832
Sepia limata (Iredale, 1926)
Sepia longipes Sasaki, 1914
Sepia lorigera Wülker, 1910
Sepia lycidas Gray, 1849
Sepia madokai Adam, 1939
Sepia mascarensis Filippova and Khromov, 1991
Sepia mestus Gray, 1849
Sepia mira (Cotton, 1932)
Sepia mirabilis Khromov, 1988
Sepia murrayi Adam and Rees, 1966
Sepia novaehollandiae Hoyle, 1909
Sepia officinalis Linnaeus, 1758
Sepia omani Adam and Rees, 1966
Sepia opipara (Iredale, 1926)
Sepia orbignyana Férussac in D'Orbigny, 1826
Sepia papillata Quoy and Gaimard, 1832
Sepia papuensis Hoyle, 1885
Sepia pardalis Sasaki, 1914
Sepia peterseni Appellöf, 1886
Sepia pharaonis Ehrenberg, 1831
Sepia plana Lu and Reid, 1997
Sepia plangon Gray, 1849
Sepia plathyconchalis Filippova and Khromov, 1991
Sepia prashadi Winckworth, 1936
Sepia pulchra Roeleveld and Liltved, 1985
Sepia recurvirostra Steenstrup, 1875
Sepia reesi Adam, 1979
Sepia rex (Iredale, 1926)
Sepia rhoda (Iredale, 1954)
Sepia robsoni (Massy, 1927)
Sepia rozella (Iredale, 1926)
Sepia savignyi Blainville, 1827
Sepia saya Khromov, Nikitina and Nesis, 1991
Sepia senta Lu and Reid, 1997
Sepia sewelli Adam and Rees, 1966
Sepia simoniana Thiele, 1920
Sepia smithi Hoyle, 1885
Sepia sokotriensis Khromov, 1988
Sepia stellifera Homenko and Khromov, 1984
Sepia subtenuipes Okutani and Horikawa, 1987
Sepia sulcata Hoyle, 1885
Sepia tala Khromov, Nikitina and Nesis, 1991
Sepia tenuipes Sasaki, 1929
Sepia thurstoni Adam and Rees, 1966
Sepia tokioensis Ortmann, 1888
Sepia trygonina (Rochebrune, 1884)
Sepia tuberculata Lamarck, 1798
Sepia typica (Steenstrup, 1875)
Sepia vercoi Adam, 1979
Sepia vermiculata Quoy and Gaimard, 1832
Sepia vietnamica Khromov, 1987
Sepia vossi Khromov, 1996
Sepia whitleyana (Iredale, 1926)
Sepia zanzibarica Pfeffer, 1884
Sepiadarium auritum Robson, 1914
Sepiadarium austrinum Berry, 1921
Sepiadarium gracilis Voss, 1962
Sepiadarium kochi Steenstrup, 1881
Sepiadarium malayense Robson, 1932
Sepiadarium nipponianum Berry, 1932
Sepiella cyanea Robson, 1924
Sepiella inermis (Van Hasselt, 1835 in Férussac and D'Orbigny, 1834-1848)
Sepiella japonica Sasaki, 1929
Sepiella ocellata Pfeffer, 1884
Sepiella ornata (Rang, 1837)
Sepiella weberi Adam, 1939
Sepietta neglecta Naef, 1916
Sepietta oweniana (D'Orbigny, 1839-1841 in Férussac and D'Orbigny, 1834-1848)
Sepietta petersi (Steenstrup, 1887)
Sepiola affinis Naef, 1912
Sepiola atlantica D'Orbigny, 1839-1842 in Férussac and D'Orbigny, 1834-1848
Sepiola aurantiaca Jatta, 1896
Sepiola birostrata Sasaki, 1918
Sepiola intermedia Naef, 1912
Sepiola knudseni Adam, 1984
Sepiola ligulata Naef, 1912
Sepiola parva Sasaki, 1913
Sepiola pfefferi Grimpe, 1921
Sepiola robusta Naef, 1912
Sepiola rondeletii Leach, 1834 in Férussac and D'Orbigny, 1834-1848
Sepiola rossiaeformis Pfeffer, 1884
Sepiola steenstrupiana Levy, 1912
Sepiola trirostrata Voss, 1962
Sepiolina nipponensis (Berry, 1911)
Sepioloidea lineolata (Quoy and Gaimard, 1832)
Sepioloidea pacifica (Kirk, 1882)
Sepioteuthis australis Quoy and Gaimard, 1832
Sepioteuthis lessoniana Férussac, 1831 in Lesson, 1830-1831
Sepioteuthis loliginiformis (Rüppell and Leuckart, 1828)
Sepioteuthis sepioidea (Blainville, 1823)
Septifer bifurcatus (Conrad, 1837)
Septifer bilocularis (Linnaeus, 1758)
Septifer bryanae
Septifer rudis
Serpulorbis decussatus (Gmelin, 1791)
Serpulorbis squamiger (Carpenter, 1856)
Serripes groenlandicus (Mohr, 1786)
Serripes laperousii (Deshayes, 1839)
Serripes notabilis (G. B. Sowerby III, 1915)
Setia pulcherrima (Jeffreys, 1848)
Setia turgida (Jeffreys, 1870)
Sigatica carolinensis (Dall, 1889)
Sigatica semisulcata (J. E. Gray, 1839)
Silicula fragilis Jeffreys, 1879
Siliqua alta (Broderip and G. B. Sowerby I, 1829)
Siliqua costata Say, 1822
Siliqua lucida (Conrad, 1837)
Siliqua media
Siliqua patula (Dixon, 1789)
Siliqua sloati Hertlein, 1961
Siliqua squama de Blainville, 1824
Siliquaria modesta Dall, 1881
Siliquaria squamata Blainville, 1827
Similiphora intermedia (C. B. Adams, 1850)
Simnia acicularis (Lamarck, 1810)
Simnia aequalis Sowerby, 1832
Simnia avena
Simnia loebbeckeana (Weinkauff, 1881)
Simnia uniplicata Sowerby, 1848
Simnialena marferula Cate, 1973
Simnialena uniplicata (G. B. Sowerby II, 1848)
Simomactra dolabriformis (Conrad, 1867)
Simomactra falcata (Gould, 1850)
Simomactra planulata (Conrad, 1837)
Simpsonaias ambigua (Say, 1825)
Simpsonasus nankingensis (Heude, 1874)
Simpsonella burroughiana (Lea, 1834)
Simpsonella gracilis (Lea, 1851)
Simrothiella borealis (Odhner, 1921)
Simrothiella margaritacea (Koren and Danielssen, 1877)
Sinanodonta angula (Tchang, Li & Liu, 1965)
Sinanodonta calipygos (Kobelt, 1879)
Sinanodonta elliptica (Heude, 1878)
Sinanodonta jourdyi (Morlet, 1886)
Sinanodonta lauta (Martens, 1877)
Sinanodonta lucida (Heude, 1877)
Sinanodonta schrenkii (Lea, 1870)
Sinanodonta tumens (Haas, 1910)
Sinanodonta woodiana (Lea, 1834)
Sinezona rimuloides (Carpenter, 1865)
Sinohyriopsis cumingii (Lea, 1852)
Sinohyriopsis goliath (Rolle, 1904)
Sinohyriopsis schlegelii (Martens, 1861)
Sinosolenaia carinata (Heude, 1877)
Sinosolenaia iridinea (Heude, 1874)
Sinosolenaia oleivora (Heude, 1877)
Sinosolenaia recognita (Heude, 1877)
Sinum debile (Gould, 1853)
Sinum maculatum (Say, 1831)
Sinum minus (Dall, 1889)
Sinum perspectivum (Say, 1831)
Sinum scopulosum (Conrad, 1849)
Siphonaria alternata Say, 1826
Siphonaria brannani Stearns, 1872
Siphonaria pectinata (Linnaeus, 1758)
Siphonaria thersites Carpenter, 1864
Siphonodentalium bushi Henderson, 1920
Siphonodentalium lobatum (Sowerby, 1860)
Siphonodentalium occidentale Henderson, 1920
Siphonodentalium quadrifissatum (Pilsbry and Sharp, 1898)
Siphonodentalium teres Jeffreys, 1882
Siphonodentalium verrilli Henderson, 1920
Siraius bicolor (Bergh, 1884)
Siraius kyolis Ev. Marcus and Er. Marcus, 1967
Skenea areolata (G. O. Sars, 1878)
Skenea californica (Bartsch, 1907)
Skenea carmelensis A. G. Smith and M. Gordon, 1948
Skenea concordia (Bartsch, 1920)
Skenea coronadoensis (Arnold, 1903)
Skenea diaphana (A. E. Verrill, 1884)
Skenea laevigata (Friele, 1876)
Skenea serpuloides (Montagu, 1808)
Skenea willei (Friele, 1886)
Skeneopsis alaskana Dall, 1919
Skeneopsis planorbis (Fabricius, 1780)
Smaragdia bryanae (Pilsbry, 1918)
Smaragdia viridis (Linnaeus, 1758)
Smeagol manneringi Climo, 1980
Solamen columbianum (Dall, 1897)
Solamen leanum (Dall, 1897)
Solamen megas (Dall, 1902)
Solariella actinophora Dall, 1890
Solariella aegleis Watson, 1879
Solariella affinis (Friele, 1877)
Solariella anoxia Dall, 1927
Solariella asperrima (Dall, 1881)
Solariella calatha Dall, 1927
Solariella carvalhoi Loper and Cardoso, 1958
Solariella cincta (Philippi, 1836)
Solariella constricta Dall, 1927
Solariella crossata (Dall, 1927)
Solariella elegantula Dall, 1925
Solariella infundibulum (Watson, 1879)
Solariella intermedia (Leche, 1878)
Solariella iris (Dall, 1881)
Solariella lacunella (Dall, 1881)
Solariella laevis Friele, 1886
Solariella lamellosa (Dall, 1881)
Solariella lewisae Willett, 1946
Solariella lissocona (Dall, 1881)
Solariella lubrica Dall, 1881
Solariella maculata S. V. Wood, 1842
Solariella margaritus
Solariella micraulax J. H. McLean, 1964
Solariella nuda Dall, 1896
Solariella obscura (Couthouy, 1838)
Solariella oxybasis Dall, 1890
Solariella peramabilis Carpenter, 1864
Solariella periscopia Dall, 1927
Solariella pourtalesi Clench and Aguayo, 1939
Solariella rhyssa Dall, 1919
Solariella scabriuscula (Dall, 1881)
Solariella sericifila (Dall, 1889)
Solariella tiara (Watson, 1879)
Solariella triplostephanus Dall, 1910
Solariella tubula Dall, 1927
Solariella varicosa (Mighels and C. B. Adams, 1842)
Solariorbis arnoldi Bartsch, 1927
Solariorbis blakei (Rehder, 1944)
Solariorbis infracarinata Rehder, 1944
Solariorbis infracarinatus (Gabb, 1881)
Solariorbis mooreanus (Vanatta, 1904)
Solariorbis shimeri
Solariorbis terminalis (Pilsbry and McGinty, 1946)
Solatisonax alleryi (Seguenza, 1876)
Solatisonax borealis (A. E. Verrill and S. Smith, 1880)
Solecurtus cumingianus Dunker, 1861
Solecurtus guaymasensis (Lowe, 1935)
Solecurtus sanctaemarthae D'Orbigny, 1842
Solecurtus scopula (Turton, 1822)
Solemya borealis Totten, 1834
Solemya grandis A. E. Verrill and Bush, 1898
Solemya occidentalis Deshayes, 1857
Solemya panamensis Dall, 1908
Solemya reidi Bernard, 1980
Solemya valvulus (Carpenter, 1864)
Solemya velum Say, 1822
Solen marginatus
Solen obliquus Sprengler, 1794
Solen rostriformis Dunker, 1862
Solen sicarius Gould, 1850
Solen viridis Say, 1821
Solenaia emarginata (Lea, 1860)
Somatogyrus alcoviensis Krieger, 1972
Somatogyrus amnicoloides Walker, 1915
Somatogyrus aureus Tryon, 1865
Somatogyrus biangulatus Walker, 1906
Somatogyrus constrictus Walker, 1904
Somatogyrus coosaensis Walker, 1904
Somatogyrus crassilabris Walker, 1915
Somatogyrus crassus Walker, 1904
Somatogyrus currierianus (Lea, 1863)
Somatogyrus decipiens Walker, 1909
Somatogyrus depressus (Tryon, 1862)
Somatogyrus excavatus Walker, 1906
Somatogyrus georgianus Walker, 1904
Somatogyrus hendersoni Walker, 1909
Somatogyrus hinkleyi Walker, 1904
Somatogyrus humerosus Walker, 1906
Somatogyrus integra (Say, 1829)
Somatogyrus nanus Walker, 1904
Somatogyrus obtusus Walker, 1904
Somatogyrus parvulus Tryon, 1865
Somatogyrus pennsylvanicus Walker, 1904
Somatogyrus pilsbryanus Walker, 1904
Somatogyrus pumilus (Conrad, 1834)
Somatogyrus pygmaeus Walker, 1909
Somatogyrus quadratus Walker, 1906
Somatogyrus rheophilus F. G. Thompson, 1984
Somatogyrus rosewateri M. E. Gordon, 1986
Somatogyrus sargenti Pilsbry, 1895
Somatogyrus strengi Pilsbry and Walker, 1906
Somatogyrus substriatus Walker, 1906
Somatogyrus tenax F. G. Thompson, 1969
Somatogyrus tennesseensis Walker, 1906
Somatogyrus trothis Doherty, 1878
Somatogyrus tryoni Pilsbry and F. C. Baker, 1927
Somatogyrus virginicus Walker, 1904
Somatogyrus walkerianus Aldrich, 1905
Somatogyrus wheeleri Walker, 1915
Songkhlanaia tamodienica Konopleva, Lheknim, Sriwoon, Kondakov, Vikhrev & Bolotov in Konopleva et al., 2023
Sonorelix angelus (Gregg, 1949)
Sonorelix avawatzica (S. S. Berry, 1930)
Sonorelix baileyi (Bartsch, 1904)
Sonorelix borregoensis (S. S. Berry, 1929)
Sonorelix harperi (Bryant, 1900)
Sonorelix melanophylon (S. S. Berry, 1930)
Sonorelix melanopylon (S. S. Berry, 1930)
Sonorelix rixfordi (Pilsbry, 1919)
Sonorella allynsmithi Gregg and W. B. Miller, 1969
Sonorella ambigua Pilsbry and Ferriss, 1915
Sonorella anchana S. S. Berry, 1948
Sonorella animasensis Pilsbry, 1939
Sonorella apache Pilsbry and Ferriss, 1915
Sonorella ashmuni Bartsch, 1904
Sonorella baboquivariensis Pilsbry and Ferriss, 1915
Sonorella bagnarai W. B. Miller, 1967
Sonorella bartschi Pilsbry and Ferriss, 1915
Sonorella bequaerti W. B. Miller, 1967
Sonorella bicipitis Pilsbry and Ferriss, 1910
Sonorella binneyi Pilsbry and Ferriss, 1910
Sonorella bowiensis Pilsbry, 1905
Sonorella bradshaveana W. B. Miller, 1984
Sonorella caerulifluminis Pilsbry and Ferriss, 1919
Sonorella christenseni Fairbanks and Reeder, 1980
Sonorella clappi Pilsbry and Ferriss, 1915
Sonorella coloradoensis (Stearns, 1890)
Sonorella coltoniana Pilsbry, 1939
Sonorella compar Pilsbry, 1919
Sonorella dalli Bartsch, 1904
Sonorella danielsi Pilsbry and Ferriss, 1910
Sonorella delicata Pilsbry and Ferriss, 1919
Sonorella dragoonensis Pilsbry and Ferriss, 1915
Sonorella eremita Pilsbry and Ferriss, 1915
Sonorella ferrissi Pilsbry, 1915
Sonorella franciscana Pilsbry and Ferriss, 1919
Sonorella galiurensis Pilsbry and Ferriss, 1919
Sonorella grahamensis Pilsbry and Ferriss, 1919
Sonorella granulatissima Pilsbry, 1902
Sonorella hachitana (Dall, 1896)
Sonorella huachucana Pilsbry, 1905
Sonorella imitator Gregg and W. B. Miller, 1974
Sonorella imperatrix Pilsbry, 1939
Sonorella imperialis Pilsbry and Ferriss, 1923
Sonorella insignis Pilsbry and Ferriss, 1919
Sonorella macrophallus Fairbanks and Reeder, 1980
Sonorella magdalenensis (Stearns, 1890)
Sonorella meadi W. B. Miller, 1966
Sonorella metcalfi W. B. Miller, 1976
Sonorella micra Pilsbry and Ferriss, 1910
Sonorella micromphala Pilsbry, 1939
Sonorella milleri Christensen and Reeder, 1981
Sonorella mustang Pilsbry and Ferriss, 1919
Sonorella neglecta Gregg, 1951
Sonorella odorata Pilsbry and Ferriss, 1919
Sonorella optata Pilsbry and Ferris, 1910
Sonorella orientis Pilsbry, 1936
Sonorella papagorum Pilsbry and Ferriss, 1915
Sonorella parva Pilsbry, 1905
Sonorella reederi W. B. Miller, 1984
Sonorella rinconensis Pilsbry and Ferriss, 1910
Sonorella rooseveltiana S. S. Berry, 1917
Sonorella rosemontensis Pilsbry, 1939
Sonorella russelli W. B. Miller, 1984
Sonorella sabinoensis Pilsbry and Ferriss, 1919
Sonorella santaritana Pilsbry and Ferriss, 1915
Sonorella simmonsi W. B. Miller, 1966
Sonorella sitiens Pilsbry and Ferriss, 1915
Sonorella superstitionis Pilsbry, 1939
Sonorella todseni W. B. Miller, 1976
Sonorella tortillita Pilsbry and Ferriss, 1919
Sonorella tryoniana Pilsbry and Ferriss, 1923
Sonorella vespertina Pilsbry and Ferriss, 1915
Sonorella virilis Pilsbry, 1905
Sonorella walkeri Pilsbry and Ferriss, 1915
Sonorella waltoni W. B. Miller, 1968
Sonorella xanthenes Pilsbry and Ferriss, 1923
Spathochlamys benedicti (A. E. Verrill and Bush, 1897)
Spathochlamys vestalis (Reeve, 1853)
Spathoderma californicum (Schwabl, 1963)
Spathoderma clenchi
Spathoteredo spatha (Jeffreys, 1860)
Speleodiscoides spirellum A. G. Smith, 1957
Spengleria rostrata (Spengler, 1783)
Sphaerium corneum (Linnaeus, 1758)
Sphaerium fabale (Prime, 1852)
Sphaerium nitidum Westerlund, 1876
Sphaerium occidentale (J. Lewis, 1856)
Sphaerium patella (Gould, 1850)
Sphaerium rhomboideum (Say, 1822)
Sphaerium simile (Say, 1817)
Sphaerium striatinum (Lamarck, 1818)
Sphenia antillensis Dall and Simpson, 1901
Sphenia binghami Turton, 1822
Sphenia luticola (Valenciennes, 1846)
Sphenia ovoidea Carpenter, 1864
Sphenia sincera Hanks and Packer, 1985
Sphenia tumida J. E. Lewis, 1968
Sphenonaias colorata (Küster, 1856)
Sphenonaias flucki (Bartsch, 1906)
Sphenonaias liebmanni (Philippi, 1847)
Sphenonaias mexicana (Philippi, 1847)
Sphenonaias microdon (Martens, 1887)
Spiculata advena Cate, 1978
Spiculata barbarensis (Dall, 1892)
Spiculata loebbeckeana (Wienkauff, 1881)
Spilochlamys conica F. G. Thompson, 1968
Spilochlamys gravis F. G. Thompson, 1968
Spilochlamys turgida F. G. Thompson, 1969
Spinula subexcisa (Dautzenberg and Fischer, 1897)
Spiroglyptus annulatus Daudin, 1800
Spiroglyptus irregularis (d'Orbigny, 1842)
Spiroglyptus lituellus Morch, 1861
Spiroglyptus nebulosus (Dillwyn, 1817)
Spiroglyptus rastrus (Morch, 1861)
Spirolaxis centrifuga (di Monterosato, 1890)
Spirolaxis lamellifer (Rehder, 1935)
Spiromoelleria kachemakensis Baxter and J. H. McLean, 1984
Spiromoelleria quadrae (Dall, 1897)
Spirotropis modiolus (Cristofori and Jan, 1832
Spirula spirula (Linnaeus, 1758)
Spisula elliptica
Spisula ovalis (J. Sowerby, 1817)
Spisula raveneli (Conrad, 1831)
Spisula solida (Linnaeus, 1758)
Spisula solidissima (Dillwyn, 1817)
Spisula subtruncata
Splendrillia fucata (Reeve, 1845)
Splendrillia halidorema (Schwengel, 1940)
Splendrillia janetae Bartsch, 1934
Splendrillia kathyae (Tippett, 1995)
Splendrillia lissotropis (Dall, 1881)
Splendrillia moseri (Dall, 1889)
Splendrillia pagodula (Dall, 1889)
Splendrillia petiti (Tippett, 1995)
Splendrillia sunderlandi Petuch, 1987
Splendrillia woodringi (Bartsch, 1934)
Spondylus americanus Hermann, 1781
Spondylus ictericus Reeve, 1856
Spongiobranchaea australis d'Orbigny, 1836
Spurilla chromosoma Cockerell and Eliot, 1905
Spurilla neapolitana (delle Chiaje, 1823)
Spurilla oliviae (Mcfarland, 1966)
Spurilla verrucicornis (A. Costa, 1867)
Spurwinkia salsa (Pilsbry, 1905)
Stagnicola apicina (Lea, 1838)
Stagnicola arctica (Lea, 1864)
Stagnicola bonnevillensis (Call, 1884)
Stagnicola caperata (Say, 1829)
Stagnicola catascopium (Say, 1817)
Stagnicola contracta (Currier, 1881)
Stagnicola elodes (Say, 1821)
Stagnicola elrodi (F. C. Baker and J. Henderson, 1933)
Stagnicola elrodiana F. C. Baker, 1935
Stagnicola emarginata (Say, 1821)
Stagnicola exilis (Lea, 1834)
Stagnicola gabbi (Tryon, 1865)
Stagnicola hinkleyi (F. C. Baker, 1906)
Stagnicola idahoensis (J. Henderson, 1931)
Stagnicola kennicotti Baker, 1933
Stagnicola mighelsi (W. G. Binney, 1865)
Stagnicola montanensis (F. C. Baker, 1913)
Stagnicola neopalustris (F. C. Baker, 1911)
Stagnicola oronoensis (F. C. Baker, 1904)
Stagnicola petoskeyensis (Walker, 1908)
Stagnicola pilsbryi (Hemphill, 1890)
Stagnicola traski (Tryon, 1863)
Stagnicola utahensis (Call, 1884)
Stagnicola walkeriana F. C. Baker, 1926
Stagnicola woodruffi (F. C. Baker, 1901)
Stauroteuthis syrtensis Verrill, 1879
Steironepion minor (C. B. Adams, 1845)
Steironepion moniliferum (G. B. Sowerby I, 1844)
Stellatoma stellata (Stearns, 1872)
Stenolena hawaiensis Dall, Bartsch, and Rehder, 1938
Stenophysa marmorata (Guilding, 1828)
Stenophysa maugeriae (J. E. Gray, 1837)
Stenoplax bahamensis Kaas and Van Belle, 1987
Stenoplax boogii (Haddon, 1886)
Stenoplax conspicua (Pilsbry, 1892)
Stenoplax corrugata (Pilsbry, 1892)
Stenoplax erythronota
Stenoplax fallax (Pilsbry, 1892)
Stenoplax floridana (Pilsbry, 1892)
Stenoplax heathiana S. S. Berry, 1946
Stenoplax limaciformis
Stenoplax purpurascens (C. B. Adams, 1845)
Stenoplax rugulata
Stenosemus abyssicola
Stenotrema altispira (Pilsbry, 1894)
Stenotrema angellum Hubricht, 1958
Stenotrema barbatum (G. H. Clapp, 1904)
Stenotrema barbigerum (Redfield, 1856)
Stenotrema blandianum (Pilsbry, 1903)
Stenotrema brevipila (G. H. Clapp, 1907)
Stenotrema burringtoni Grimm, 1971
Stenotrema calvescens Hubricht, 1961
Stenotrema cohuttense (G. H. Clapp, 1914)
Stenotrema deceptum (G. H. Clapp, 1905)
Stenotrema depilatum (Pilsbry, 1895)
Stenotrema edgarianum (I. Lea, 1841)
Stenotrema edvardsi (Bland, 1856)
Stenotrema exodon (Pilsbry, 1900)
Stenotrema florida Pilsbry, 1940
Stenotrema hirsutum (Say, 1817)
Stenotrema labrosum (Bland, 1862)
Stenotrema magnafumosum (Pilsbry, 1900)
Stenotrema magnifumosum (Pilsbry, 1900)
Stenotrema maxillatum (Gould, 1848)
Stenotrema pilsbryi (Ferriss, 1900)
Stenotrema pilula (Pilsbry, 1900)
Stenotrema simile Grimm, 1971
Stenotrema spinosum (I. Lea, 1830)
Stenotrema stenotrema (Pfeiffer, 1842)
Stenotrema unciferum (Pilsbry, 1900)
Stenotrema waldense Archer, 1938
Sterkia calamitosa (Pilsbry, 1889)
Sterkia clementina (Sterki, 1890)
Sterkia eyriesii (Drouet, 1859)
Sterkia hemphilli (Sterki, 1890)
Sthenorytis pernobilis (P. Fischer and Bernardi, 1857)
Sthenoteuthis oualaniensis (Lesson, 1830 in 1830-1831)
Sthenoteuthis pteropus (Steenstrup, 1855)
Stigmaulax sulcatus (Born, 1778)
Stilifer stimpsoni Verrill, 1872
Stiliger bellulus (Orgibny, 1837)
Stiliger costai Pruvot-fol, 1951
Stiliger fuscatus Gould, 1870
Stiliger fuscovittatus Lance, 1962
Stiliger niger Lemche, 1935
Stiliger oophaga (Lemche, 1972)
Stiliger ornatus Ehrenberg, 1831
Stiliger vanellus
Stiliger vossi Ev. Marcus and Er. Marcus, 1960
Stiobia nana F. G. Thompson, 1978
Stoloteuthis leucoptera (Verrill, 1878)
Stosicia aberrans (C. B. Adams, 1850)
Stramonita haemastoma (Linnaeus, 1758)
Stramonita rustica (Lamarck, 1822)
Striarea centenaria (Say)
Striarea lactea (Linnaeus, 1758)
Striatura exigua (Stimpson, 1850)
Striatura ferrea E. S. Morse, 1864
Striatura meridionalis (Pilsbry and Ferriss, 1906)
Striatura milium (E. S. Morse, 1859)
Striatura pugentensis (Dall, 1895)
Striatura pugetensis (Dall, 1895)
Strictispira solida (C. B. Adams, 1850)
Strigilla carnaria (Linnaeus, 1758)
Strigilla gabbi Olsson and McGinty, 1958
Strigilla mirabilis (Philippi, 1841)
Strigilla pisiformis (Linnaeus, 1758)
Strigilla producta Tryon, 1870
Strigilla pseudocarnaria Boss, 1969
Strigilla surinamensis Boss, 1972
Strobilops aeneus Pilsbry, 1926
Strobilops affinis Pilsbry, 1893
Strobilops hubbardi (A. D. Brown, 1861)
Strobilops labyrinthicus (Say, 1817)
Strobilops texasianus Pilsbry and Ferriss, 1906
Strombiformis alaskensis Bartsch, 1917
Strombiformis almo Bartsch, 1917
Strombiformis auricinctus Abbott, 1958
Strombiformis bifasciatus D'Orbigny, 1842
Strombiformis bilineatus Alder, 1848
Strombiformis californicus Bartsch, 1917
Strombiformis hemphilli (Dall, 1884)
Strombiformis patula (Dall and Simpson, 1901)
Strombus alatus Gmelin, 1791
Strombus costatus Gmelin, 1791
Strombus gallus Linnaeus, 1758
Strombus gigas Linnaeus, 1758
Strombus pugilis Linnaeus, 1758
Strombus raninus Gmelin, 1791
Strophitus howellsi Smith, Kiser, Johnson & Randklev, 2023
Strophitus pascagoulaensis Smith, Johnson, Pfeiffer & Gangloff, 2018
Strophitus radiatus (Conrad, 1834)
Strophitus undulatus (Say, 1817)
Strophitus williamsi Smith, Johnson, Pfeiffer & Gangloff, 2018
Stygopyrgus bartonensis Hershler and Longley, 1986
Stylidium eschrichtii (Middendorff, 1849)
Styliferina goniochila
Styliola subula (Quoy and Gaimard, 1827)
Stylocheilus citrinus (Rang, 1828)
Stylocheilus longicauda (Quoy and Gaimard, 1825)
Suavodrillia kennicotti (Dall, 1871)
Suavodrillia kennicottii (Dall, 1871)
Suavodrillia willetti Dall, 1919
Subcancilla attenuata (Broderip, 1936)
Subcancilla erythrogramma (Tomlin, 1931)
Subcancilla flammea
Subcancilla foveolata
Subcancilla gigantea (Reeve, 1844)
Subcancilla lopesi (Matthews and Coelho, 1969)
Subcancilla phorminx (S. S. Berry, 1969)
Subcancilla sulcata (Swainson in Sowerby, 1835)
Subsimnia bellamaris (S. S. Berry, 1946)
Subulina octona (Bruguiere, 1792)
Succinea barberi (W. B. Marshall, 1926)
Succinea californica P. Fischer and Crosse, 1878
Succinea campestris Say, 1817
Succinea chittenangoensis Pilsbry, 1908
Succinea floridana Pilsbry, 1905
Succinea forsheyi I. Lea, 1864
Succinea gabbi Tryon, 1866
Succinea greeri Tryon, 1866
Succinea greerii Tryon, 1866
Succinea grosvenori I. Lea, 1864
Succinea indiana Pilsbry, 1905
Succinea luteola Gould, 1848
Succinea oregonensis I. Lea, 1841
Succinea ovalis Say, 1817
Succinea paralia Hubricht, 1983
Succinea pennsylvanica Pilsbry, 1948
Succinea pseudavara Webb, 1954
Succinea putris (Linnaeus, 1758)
Succinea rusticana Gould, 1846
Succinea solastra Hubricht, 1961
Succinea strigata Pfeiffer, 1855
Succinea unicolor Tryon, 1866
Succinea urbana Hubricht, 1961
Succinea vaginacontorta C. B. Lee, 1951
Succinea wilsoni I. Lea, 1864
Succinea wilsonii I. Lea, 1864
Suhinia steinbergae (Lance, 1962)
Sulcosinus taphrius (Dall, 1891)
Sundadontina brandti Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Sundadontina cumingii (Lea, 1851)
Sundadontina harmandi (Crosse & Fischer, 1876)
Sundadontina mabilli (Rochebrune, 1882)
Sundadontina moreleti (Crosse & Fischer, 1876)
Sundadontina ovalis (Morlet, 1889)
Sundadontina plugpomenica Konopleva, Lheknim, Sriwoon, Kondakov, Vikhrev & Bolotov in Konopleva et al., 2023
Sundadontina ponderosa (Preston, 1909)
Sundadontina sulcata (Rochebrune, 1882)
Sundadontina tanintharyiensis Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Sundadontina taskaevi Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Sundadontina tumida (Morelet, 1866)
Supplanaxis nucleus (Bruguiere, 1789)
Suturoglypta iontha (Ravenel, 1861)
Suturoglypta pretrii (Duclos, 1846)
Synaptocochlea concinna
Synaptocochlea montrouzieri Pilsbry, 1890
Synaptocochlea picta (d'Orbigny, 1842)
Syncera succinea
Tachyrhynchus erosus (Couthouy, 1838)
Tachyrhynchus lacteolus (Carpenter, 1864)
Tachyrhynchus pratomus Dall, 1919
Tachyrhynchus reticulatis (Mighels and C. B. Adams, 1842
Tachyrhynchus reticulatus (Mighels and C. B. Adams, 1842)
Tachyrhynchus stearnsii Dall, 1919
Tagelus affinis (C. B. Adams, 1852)
Tagelus californianus (Conrad, 1837)
Tagelus divisus (Spengler, 1794)
Tagelus plebeius (Lightfoot, 1786)
Tagelus subteres (Conrad, 1837)
Talparia cinerea (Gmelin, 1791)
Tambja gratiosa (Bergh, 1890)
Tamsiella amazonica Bonetto, 1972
Tamsiella schroeteriana (Lea, 1852)
Tamsiella tamsiana (Dunker, 1858)
Taningia danae Joubin, 1931
Taningia persica (Naef, 1923)
Taonius pavo (Lesueur, 1821)
Tapes pullastra (Montagu, 1803)
Tapes rhomboides (Pennant, 1777)
Taranis borealis Bouchet and Waren, 1980
Taranis cirrata (Brugnone, 1862)
Taranis morchii (Malm, 1861)
Taranis pulchella Verrill, 1880
Tarebia granifera (Lamarck, 1822)
Taringa aivica Ev. Marcus and Er. Marcus, 1967
Taringa telopia Er. Marcus, 1955
Taylorconcha insperata Hershler, Liu, Frest, Johannes and Clark, 2006
Taylorconcha serpenticola Hershler, Frest, Johannes, Bowler and F. G. Thompson, 1994
Tchangsinaia piscicula (Heude, 1874)
Tectarius antonii (Philippi, 1846)
Tectarius coronatus Valenciennes, 1833
Tectarius muricatus (Linnaeus, 1758)
Tectarius tuberculatus
Tectininus nodulosus (Pfeiffer, 1839)
Tectonatica pusilla (Say, 1822)
Tectura depicta (Hinds, 1842)
Tectura fenestrata (Reeve, 1855)
Tectura paleacea (Gould, 1853)
Tectura persona (Rathke, 1833)
Tectura rosacea (Carpenter, 1864)
Tectura scutum (Rathke, 1833)
Tectura testudinalis (Muller, 1776)
Tectura virginea (O. F. Mueller, 1776)
Tegula aureotincta (Forbes, 1850)
Tegula brunnea Philippi, 1848
Tegula corteziana Mclean, 1970
Tegula eiseni Jordan, 1936
Tegula excavata (Lamarck, 1822)
Tegula fasciata (Born, 1778)
Tegula felipenis Mclean, 1970
Tegula funebralis (A. Adams, 1855)
Tegula gallina (Forbes, 1850)
Tegula gruneri (Philippi, 1849)
Tegula hotessieriana (d'Orbigny, 1842)
Tegula lividomaculata (C. B. Adams, 1845)
Tegula maculostriata (C. B. Adams)
Tegula mariana Dall, 1919
Tegula montereyi (Kiener, 1850)
Tegula patagonica (Orbigny, 1840)
Tegula pellisserpentis Wood, 1828
Tegula pulligo (Gmelin, 1791)
Tegula regina Stearns, 1892
Tegula rubroflammulata (Koch, 1843)
Tegula verdispira J. H. McLean, 1970
Tegula viridula (Gmelin, 1791)
Teinostoma amplectans Carpenter, 1857
Teinostoma bibbianum Dall, 1919
Teinostoma biscaynense Pilsbry and McGinty, 1945
Teinostoma carinicallus Pilsbry and McGinty, 1946
Teinostoma cercinellum
Teinostoma clavium Pilsbry and McGinty, 1945
Teinostoma cocolitoris Pilsbry and McGinty, 1945
Teinostoma cryptospira (A. E. Verrill, 1884)
Teinostoma floridensis (Dall, 1927)
Teinostoma gallegosi Jordan, 1936
Teinostoma goniogyrus Pilsbry and McGinty, 1945
Teinostoma incertum Pilsbry and McGinty, 1945
Teinostoma lerema Pilsbry and McGinty, 1945
Teinostoma lituspalmarum Pilsbry and McGinty, 1945
Teinostoma megastoma (C. B. Adams, 1850)
Teinostoma megastomum (C. B. Adams, 1850)
Teinostoma minusculum (Bush, 1897)
Teinostoma nense Pilsbry and McGinty, 1945
Teinostoma nesaeum Pilsbry and McGinty, 1945
Teinostoma obtectum Pilsbry and McGinty, 1945
Teinostoma parvicallum Pilsbry and McGinty, 1945
Teinostoma pilsbryi Mcginty, 1945
Teinostoma politum
Teinostoma reclusum (Dall, 1889)
Teinostoma salvanium Dall, 1919
Teinostoma sapiella Dall, 1919
Teinostoma sapiellum Dall. 1919
Teinostoma semistriatum (d'Orbigny, 1842)
Teinostoma solida (Dall, 1889)
Teinostoma supravallatum (Carpenter, 1864)
Teinostoma tectum Pilsbry and McGinty, 1945
Tellidora cristata (Recluz, 1842)
Tellidorella cristulata
Tellimya ferruginosa (Montagu, 1803)
Tellimya phascolionis (Dautzenberg and Fischer, 1925)
Tellina aequistriata Say, 1824
Tellina agilis Stimpson, 1857
Tellina alerta Boss, 1964
Tellina alternata Say, 1822
Tellina americana Dall, 1900
Tellina amianta Dall, 1900
Tellina angulosa Gmelin, 1791
Tellina bodegensis Hinds, 1845
Tellina candeana D'Orbigny, 1842
Tellina carpenteri Dall, 1900
Tellina cerrosiana Dall, 1900
Tellina coani Keen, 1971
Tellina colorata Dall, 1900
Tellina consobrina D'Orbigny, 1842
Tellina cristallina Spengler, 1798
Tellina cumingii Hanley, 1844
Tellina diantha Boss, 1964
Tellina donacina
Tellina elucens Mighels, 1845
Tellina euvitrea Boss, 1964
Tellina exerythra Boss, 1964
Tellina fabula Gmelin, 1791
Tellina fausta Pulteney, 1799
Tellina flucigera Dall, 1908
Tellina gibber Von Ihering, 1907
Tellina gouldii Hanley, 1846
Tellina guildingii Hanley, 1844
Tellina idae Dall, 1891
Tellina inaequistriata Donovan, 1802
Tellina iris Say, 1822
Tellina juttingae Altena, 1965
Tellina laevigata Linnaeus, 1758
Tellina lamellata Carpenter, 1855
Tellina lineata Turton, 1819
Tellina listeri Roding, 1798
Tellina lutea W. Wood, 1828
Tellina magna Spengler, 1798
Tellina martinicensis D'Orbigny, 1842
Tellina mera Say, 1834
Tellina meropsis Dall, 1900
Tellina modesta (Carpenter, 1864)
Tellina nitens C. B. Adams, 1845
Tellina nuculoides (Reeve, 1854)
Tellina oahuana
Tellina ochracea Carpenter, 1864
Tellina pacifica Dall, 1900
Tellina paramera Boss, 1964
Tellina persica Dall and Simpson, 1901
Tellina pristiphora Dall, 1900
Tellina probina Boss, 1964
Tellina proclivis Hertlein and Strong, 1949
Tellina prora Hanley, 1844
Tellina punicea Born, 1778
Tellina pygmaea
Tellina radiata Linnaeus, 1758
Tellina reclusa Dall, 1900
Tellina recurvata Hertlein and Strong, 1949
Tellina rubescens Hanley, 1844
Tellina sandix Boss, 1968
Tellina similis J. Sowerby, 1806
Tellina simulans C. B. Adams, 1852
Tellina squamifera Deshayes, 1855
Tellina sybaritica Dall, 1881
Tellina tabogensis Salisbury, 1934
Tellina tampaensis Conrad, 1866
Tellina tenella A. E. Verrill, 1874
Tellina tenuis
Tellina texana Dall, 1900
Tellina variegata
Tellina versicolor DeKay, 1843
Tellina vespuciana (d'Orbigny, 1842)
Tellina virgo Hanley, 1844
Tenagodus squamatus (de Blainville, 1827)
Tenaturris bartletti (Dall, 1889)
Tenaturris janira (Dall, 1919)
Tenellia adspersa (Nordmann, 1845)
Tenellia fuscata (Gould, 1870)
Tenellia ventilabrum (Dalyell, 1853)
Teralatirus cayohuesonicus (G. B. Sowerby III, 1878)
Terebra acrior Dall, 1889
Terebra alba J. E. Gray, 1834
Terebra arcas Abbott, 1954
Terebra armillata Hinds, 1844
Terebra benthalis Dall, 1889
Terebra concava (Say, 1826)
Terebra crenifera Deshayes, 1859
Terebra dislocata (Say, 1822)
Terebra doellojuradoi Carcelles, 1953
Terebra floridana Dall, 1889
Terebra glossema Schwengel, 1942
Terebra hemphilli Vanatta, 1924
Terebra lindae Petuch, 1987
Terebra nassula Dall, 1889
Terebra pedroana Dall, 1908
Terebra protexta (Conrad, 1846)
Terebra rushii Dall, 1889
Terebra taurina (Lightfoot, 1786)
Terebra thaanumi Pilsbry, 1921
Terebra vinosa Dall, 1889
Teredo bartschi W. Clapp, 1923
Teredo fulleri W. Clapp, 1924
Teredo furcifera von Martens, 1894
Teredo megotara (Hanley, 1848)
Teredo navalis Linnaeus, 1758
Teredo norvagicus (Spengler, 1792)
Teredo portoricensis W. Clapp, 1924
Teredora malleolus (Turton, 1822)
Teredothyra excavata (Jeffreys, 1860)
Teretia anceps (Eichwald, 1830)
Teretoctopus alcocki Robson, 1932
Teretoctopus indicus Robson, 1929
Tergipes tergipes (Forskal, 1775)
Teskeyostrea weberi (Olsson, 1951)
Testacella haliotidea Draparnaud, 1801
Tethys fimbria Linnaeus, 1758
Tetracheledone spinicirrus Voss, 1955
Tetronychoteuthis dussumieri (D'Orbigny, 1839-1842 in Férussac and D'Orbigny, 1834-1848)
Teuthowenia maculata (Leach, 1817)
Teuthowenia megalops (Prosch, 1847)
Teuthowenia pellucida (Chun, 1910)
Texadina barretti (Morrison, 1965)
Texadina sphinctostoma (Abbott and Ladd, 1951)
Texapyrgus longleyi F. G. Thompson and Hershler, 1991
Thaiconcha callifera (Martens, 1860)
Thaiconcha munelliptica Konopleva, Bolotov, Pfeiffer, Vikhrev, Kondakov, Gofarov, Tomilova, Tanmuangpak et al., 2021
Thaiconcha thaiensis Konopleva, Bolotov, Pfeiffer, Vikhrev, Kondakov, Gofarov, Tomilova, Tanmuangpak et al., 2021
Thais deltoidea (Lamarck, 1822)
Thais emarginata
Thais kiosquiformis (Duclos, 1832)
Thais lamellosa
Thais nodosa Linnaeus, 1758
Thais speciosa (Valenciennes, 1832)
Thais triangularis (Blainville, 1832)
Thais trinitatensis (Guppy, 1869)
Thais undata Lamarck
Thala floridana (Dall, 1884)
Thala foveata (Sowerby, 1874)
Thala gratiosa (Reeve, 1845)
Thaleia nisonis (Dall, 1889)
Thaltia rubra
Thaltia subangulata
Tharsiella romettensis (Granata Grillo, 1877)
Thaumeledone brevis (Hoyle, 1885)
Thaumeledone gunteri Robson, 1930
Theba pisana (Muller, 1774)
Thecacera pennigera (Montagu, 1815)
Thelecythara floridana Fargo, 1953
Thelecythara mucronata (Guppy, 1896)
Theliderma cylindrica (Say, 1817)
Theliderma intermedia (Conrad, 1836)
Theliderma johnsoni Bogan & Lopes-Lima in Lopes-Lima & Bogan, 2019
Theliderma metanevra (Rafinesque, 1820)
Theliderma sparsa (Lea, 1841)
Theliderma stapes (Lea, 1831)
Theodoxus fluviatilis (Linnaeus, 1758)
Theora lubrica Gould, 1861
Thesbia nana (Loven, 1846)
Theta chariessa (Watson, 1881)
Theta lyronuclea (Clarke, 1959)
Theta vayssieri (Dautzenberg, 1925)
Thiara bladwini Ancey, 1899
Thiara indefinita Lea and Lea, 1851
Thiara kauaiensis Pease, 1870
Thiara verrauiana Lea, 1856
Thliptodon antarcticus Meisenheimer, 1906
Thliptodon diaphanus (Meisenheimer, 1903)
Thliptodon gegenbauri Boas, 1886
Thordisa bimaculata Lance, 1966
Thordisa rubescens Behrens and R. Henderson, 1981
Thracia adamsi MacGinitie, 1959
Thracia challisiana Dall, 1915
Thracia condoni Dall, 1909
Thracia conradi Couthouy, 1839
Thracia convexa (W. Wood, 1815)
Thracia corbuloides Blainville, 1824
Thracia curta Conrad, 1837
Thracia devexa G. O. Sars, 1878
Thracia distorta Montagu, 1808
Thracia itoi
Thracia morrisoni R. E. Petit, 1964
Thracia myopsis Møller, 1842
Thracia phaseolina (Lamarck, 1822)
Thracia pubescens (Pulteney, 1799)
Thracia rugosa Lamarck, 1818
Thracia septentrionalis Jeffreys, 1872
Thracia stimpsoni Dall, 1886
Thracia trapezoides Conrad, 1849
Thracia villosiuscula
Thuridilla picta (A. E. Verrill, 1901)
Thyasira alleni Carrozza, 1981
Thyasira barbarensis (Dall, 1890)
Thyasira brevis A. E. Verrill and Bush, 1898
Thyasira croulinensis Jeffreys, 1874
Thyasira cycladia S. Wood, 1853
Thyasira cygnus Dall, 1916
Thyasira elliptica Verrill and Bush, 1898
Thyasira equalis (A. E. Verrill and Bush, 1898)
Thyasira eumyaria M. Sars, 1870
Thyasira flexuosa (Montagu, 1803)
Thyasira gouldii (Philippi, 1845)
Thyasira grandis Verrill and Smith, 1885
Thyasira granulosa di Monterosato, 1874
Thyasira incrassatus (Jeffreys, 1876)
Thyasira obsoleta (Verrill and Bush, 1898)
Thyasira ovoidea Dall, 1889
Thyasira plicata Verrill and Smith, 1885
Thyasira pygmaea Verrill and Bush, 1898
Thyasira rotunda Jeffreys, 1881
Thyasira simplex A. E. Verrill and Bush, 1898
Thyasira subovata Jeffreys, 1881
Thyasira subtrigona (Jeffreys, 1858)
Thyasira succisa (Jeffreys, 1876)
Thyasira tortuosa Jeffreys, 1881
Thyasira tricarinata Dall, 1916
Thyasira triseriata
Thyasira trisinuata (d'Orbigny, 1842)
Thyonicola americana Tikasingh, 1961
Thyonicola americanus Tikasingh, 1961
Thysanophora horni (Gabb, 1866)
Thysanophora hornii (Gabb, 1866)
Thysanophora plagioptycha (Shuttleworth, 1854)
Thysanoteuthis danae (Joubin, 1933)
Thysanoteuthis nuchalis Pfeffer, 1912
Thysanoteuthis rhombus Troschel, 1857
Timoclea grus (Holmes, 1858)
Timoclea ovata (Pennant, 1777)
Timoclea pygmaea (Lamarck, 1818)
Tindaria acinula (Dall, 1890)
Tindaria brunnea Dall, 1916
Tindaria cervola Dall, 1916
Tindaria compressa
Tindaria dicofania Dall, 1916
Tindaria kennerlyi Dall, 1897
Tindaria miniscula Saunders and Allen, 1977
Tindaria panamensis
Titiscania limacina Bergh, 1890
Tivela abaconis Dall, 1902
Tivela floridana Rehder, 1939
Tivela mactroides (Born, 1778)
Tivela stultorum (Mawe, 1823)
Tochuina tetraquetra (Pallas, 1788)
Todarodes angolensis Adam, 1962
Todarodes filippovae Adam, 1975
Todarodes pacificus (Steenstrup, 1880)
Todarodes sagittatus (Lamarck, 1798)
Todaropsis eblanae (Ball, 1841)
Tomburchus redondoensis (Burch, 1941)
Tomura bicaudata (Pilsbry and McGinty, 1946)
Tonicella insignis (Reeve, 1847)
Tonicella lineata (W. Wood, 1815)
Tonicella marmorea (Fabricius, 1780)
Tonicella rubra (Linnaeus, 1767)
Tonicella sitkensis (Middendorff, 1846)
Tonicia pustulifera Dall, 1919
Tonicia schrammi (Shuttleworth, 1856)
Tonna galea (Linnaeus, 1758)
Tonna maculosa (Dillwyn, 1817)
Tonna pennata (Morch, 1852)
Torellia ammonia Dall, 1919
Torellia cingulata Verrill
Torellia delicata (Philippi, 1844)
Torellia fimbriata A. E. Verrill and S. Smith, 1882
Torellia vallonia Dall, 1919
Torellia vestita Jeffreys, 1867
Tornatina inconspicua (Olsson and McGinty, 1958)
Tornus basiglabra
Tornus calianus (Dall, 1919)
Tornus galaensis
Tornus greyana
Tornus laevicarinatus
Toxolasma corvunculus (Lea, 1868)
Toxolasma cylindrellus (Lea, 1868)
Toxolasma lividum Rafinesque, 1831
Toxolasma parvum (Barnes, 1823)
Toxolasma paulum (Lea, 1840)
Toxolasma pullus (Conrad, 1838)
Toxolasma texasiense (Lea, 1857)
Trabecula laxa (Dall and Bartsch, 1909)
Trachycardium egmontianum (Shuttleworth, 1856)
Trachycardium isocardia (Linnaeus, 1758)
Trachycardium magnum (Linnaeus, 1758)
Trachycardium muricatum (Linnaeus, 1758)
Trachycardium quadragenarium (Conrad, 1837)
Trachypollia didyma (Swengel, 1943)
Trachypollia lugubris (C. B. Adams, 1852)
Trachypollia nodulosa (C. B. Adams, 1845)
Trachypollia sclera Woodring, 1928
Trachypollia turricula (von Maltzan, 1884)
Tralia ovula (Bruguiere, 1789)
Transennella conradina Dall, 1884
Transennella cubaniana (d'Orbigny, 1842)
Transennella stimpsoni Dall, 1902
Transennella tantilla (Gould, 1853)
Trapania dalva Ev. Marcus, 1972
Trapania maculata Haefelfinger, 1960
Trapania pallida Kress, 1968
Trapania velox (Cockerell, 1901)
Trapezidens angustior (Hanley & Theobald, 1872)
Trapezidens dolichorhynchus (Tapparone Canefri, 1889)
Trapezidens exolescens (Gould, 1843)
Trapezidens mogaungensis Bolotov, Konopleva, Chan, Lunn, Win, Gofarov, Kondakov, Tomilova & Vikhrev, 2022
Trapezidens scutum (Sowerby, 1868)
Trapezidens yeti Konopleva, Bolotov, Kondakov, Kononov, Gofarov, Tomilova, Lunn, Chan, Win & Vikhrev, 2020
Trapezium liratum (Reeve, 1843)
Trapezoideus foliaceus (Gould, 1843)
Trapezoideus lenya Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Trapezoideus mitanensis Bolotov, Konopleva, Than Win, Kondakov & Vikhrev in Bolotov et al., 2022
Trapezoideus subviridis Pfeiffer, Graf, Cummings & Page, 2021
Trapezoideus thachiadensis Konopleva, Lheknim, Sriwoon, Kondakov, Vikhrev & Bolotov in Konopleva et al., 2023
Tremoctopus gelatus Thomas, 1977
Tremoctopus violaceus Chiaie, 1830 in 1823-1831
Tresus allomyax Coan and Valentich Scott, 2000
Tresus capax (Gould, 1850)
Tresus nuttallii (Conrad, 1837)
Tresus pajaroanus (Conrad, 1857)
Trichia hispida (Linnaeus, 1758)
Trichia striolata (Pfeiffer, 1828)
Trichotropis alba (Bouchet and Waren, 1985)
Trichotropis bicarinata (G. B. Sowerby I, 1825)
Trichotropis borealis Broderip and G. B. Sowerby I, 1829
Trichotropis cancellata Hinds, 1843
Trichotropis conica Moller, 1842
Trichotropis coronata Gould, 1860
Trichotropis fuscoapicata (Bouchet and Waren, 1985)
Trichotropis inflata Friele, 1879
Trichotropis insignis Middendorff, 1849
Trichotropis kroyeri Philippi, 1849
Trichotropis migrans Dall, 1881
Trichotropis subsuratus
Tricolia adamsi (Philippi, 1853)
Tricolia affinis (C. B. Adams, 1850)
Tricolia beaui Robertson, 1958
Tricolia bella (M. Smith, 1937)
Tricolia compta (Gould, 1855)
Tricolia cruenta Robertson, 1958
Tricolia cyclostoma (Carpenter, 1864)
Tricolia pterocladica
Tricolia pulloides (Carpenter, 1865)
Tricolia pullus Linnaeus, 1758
Tricolia substriata (Carpenter, 1864)
Tricolia tesselata (Potiez and Michaud, 1838)
Tricolia tessellata (Potiez and Michaud, 1838)
Tricolia thalassicola Robertson, 1958
Tricolia variabilis
Tricolia variegata (Carpenter, 1864)
Trigoniocardia antillarum (d'Orbigny, 1842)
Trigoniocardia ovuloides (Reeve, 1845)
Trigonostoma rugosum (Lamarck, 1822)
Trigonostoma tenerum (Philippi, 1848)
Trigonulina ornata (d'Orbigny, 1842)
Trilobopsis loricata (Gould, 1846)
Trilobopsis penitens (Hanna and Rixford, 1923)
Trilobopsis roperi (Pilsbry, 1889)
Trilobopsis tehamana (Pilsbry, 1928)
Trilobopsis trachypepla (S. S. Berry, 1933)
Trimusculus carinatus (Dall, 1870)
Trimusculus reticulatus (G. B. Sowerby I, 1835)
Trinchesia amoena
Trinchesia caerulea
Trinchesia concinna
Trinchesia foliata
Trinchesia perca (Marcus, 1958)
Trinchesia veronica Verrill, 1880
Trinchesia viridis
Triodopsis alabamensis (Pilsbry, 1902)
Triodopsis albolabris (Say, 1816)
Triodopsis alleni (Sampson, 1883)
Triodopsis anteridon Pilsbry, 1940
Triodopsis burchi Hubricht, 1950
Triodopsis caroliniensis (I. Lea, 1834)
Triodopsis chadwicki (Ferriss, 1907)
Triodopsis claibornensis Lutz, 1950
Triodopsis complanata (Pilsbry, 1898)
Triodopsis cragini Call, 1886
Triodopsis denotata (Ferussac, 1821)
Triodopsis dentifera (A. Binney, 1837)
Triodopsis discoidea (Pilsbry, 1904)
Triodopsis divesta (Gould, 1848)
Triodopsis fallax (Say, 1825)
Triodopsis fosteri (F. C. Baker, 1921)
Triodopsis fradulenta (Pilsbry, 1894)
Triodopsis fulciden Hubricht, 1952
Triodopsis fulcidens Hubricht, 1952
Triodopsis henriettae (Mazyck, 1877)
Triodopsis hopetonensis (Shuttleworth, 1852)
Triodopsis juxtidens (Pilsbry, 1894)
Triodopsis lioderma (Pilsbry, 1902)
Triodopsis major (A. Binney, 1937)
Triodopsis maratima (Pilsbry, 1890)
Triodopsis messana Hubricht, 1952
Triodopsis multilineata (Say, 1821)
Triodopsis neglecta (Pilsbry, 1899)
Triodopsis obsoleta (Pilsbry, 1894)
Triodopsis obstricta (Say, 1821)
Triodopsis occidentalis (Pilsbry and Ferriss, 1894)
Triodopsis palustris Hubricht, 1958
Triodopsis pendula Hubricht, 1952
Triodopsis picea Hubricht, 1958
Triodopsis platysayoides (Brooks, 1933)
Triodopsis rugosa Brooks and MacMillan, 1940
Triodopsis soelneri (J. B. Henderson, 1907)
Triodopsis tennesseensis (Walker and Pilsbry, 1902)
Triodopsis tridentata (Say, 1816)
Triodopsis vannostrandi (Bland, 1875)
Triodopsis vulgata Pilsbry, 1940
Triodopsis vultuosa (Gould, 1848)
Triopha aurantica Cockerel, 1908
Triopha carpenteri (Stearns, 1873)
Triopha catalinae (J. G. Cooper, 1863)
Triopha maculata MacFarland, 1905
Triopha occidentalis (Fewkes, 1889)
Triphora ammonia
Triphora callipyrga (Bartsch, 1907)
Triphora calva Faber and Moolenbeek, 1991
Triphora carpenteri (Bartsch, 1907)
Triphora catalinensis (Bartsch, 1907)
Triphora compsa Dall, 1927
Triphora decorata (C. B. Adams, 1850)
Triphora intermedia (Dall, 1881)
Triphora lilacina (Dall, 1889)
Triphora longissima (Dall, 1881)
Triphora melanura (C. B. Adams, 1850)
Triphora montereyensis (Bartsch, 1907)
Triphora nigrocincta (C. B. Adams, 1839)
Triphora ornata (Deshayes, 1832)
Triphora pedroana (Bartsch, 1907)
Triphora peninsularis (Bartsch, 1907)
Triphora penninsularis (Bartsch, 1907)
Triphora perversa
Triphora pulchella (C. B. Adams, 1850)
Triphora pyrrha (J. B. Henderson and Bartsch, 1914)
Triphora stearnsi (Bartsch, 1907)
Triphora triserialis (Dall, 1881)
Triphora turristhomae (Holton, 1802)
Triplodon chodo Mansur & Pimpão, 2008
Triplodon corrugatus (Lamarck, 1819)
Triptychus niveus Morch, 1875
Tritonia bayeri Ev. Marcus and Er. Marcus, 1967
Tritonia diomedea Bergh, 1894
Tritonia episcopalis Bouchet, 1977
Tritonia exsulans Bergh, 1894
Tritonia festiva (Stearns, 1873)
Tritonia griegi Edhner, 1922
Tritonia hombergii Cuvier, 1802
Tritonia lineata
Tritonia manicata Deshayes, 1853
Tritonia myrakeenae Bertsch and Mozqueira, 1986
Tritonia nilsodhneri Marcus, 1983
Tritonia odhneri
Tritonia palmeri (J. G. Cooper, 1862)
Tritonia plebeia Johnston, 1828
Tritonia wellsi Er. Marcus, 1961
Tritonidoxa wellsi (Er. Marcus, 1961)
Tritoniopsis frydis Er. Marcus and Ev. Marcus, 1970
Tritonoharpa lanceolata (Menke, 1828)
Trivia antillarum
Trivia arctica
Trivia californiana (Gray, 1827)
Trivia candidula Gaskoin, 1835
Trivia maltbiana Schwengel and McGinty, 1942
Trivia monacha
Trivia nix (Schilder, 1922)
Trivia pediculus (Linnaeus, 1758)
Trivia quadripunctata (Gray, 1827)
Trivia ritteri Raymond, 1903
Trivia solandri (Sowerby, 1832)
Trivia suffusa (Gray, 1832)
Trochaclis islandica Warren, 1989
Trochoidea elegans (Gmelin, 1791)
Trochus intextus
Trophon cerrosensis Dall, 1891
Trophon muricatus
Trophonopsis alaskanus (Dall, 1902)
Trophonopsis beringi (Dall, 1902)
Trophonopsis cepulus (Sowerby, 1880)
Trophonopsis clathratus (Linnaeus, 1758)
Trophonopsis cymatus (Dall, 1902)
Trophonopsis dalli (Kobelt, 1878)
Trophonopsis elegantulus (Dall, 1907)
Trophonopsis fabricii (Beck, 1842)
Trophonopsis kamchatkana (Dall, 1902)
Trophonopsis keepi (Strong and Hertlein, 1937)
Trophonopsis lasius (Dall, 1919)
Trophonopsis macouni (Dall, 1910)
Trophonopsis orpheus (Gould, 1849)
Trophonopsis pacificus (Dall, 1902)
Trophonopsis paucicostatus
Trophonopsis rotundatus (Dall, 1902)
Trophonopsis scitulus (Dall, 1891)
Trophonopsis staphylinus (Dall, 1919)
Trophonopsis stuarti (E. A. Smith, 1880)
Trophonopsis tenuisculptus Carpenter
Trophonopsis truncatus (Strom, 1768)
Truncatella bahamensis Clench and Turner, 1948
Truncatella barbadensis Pfeiffer, 1856
Truncatella californica Pfeiffer, 1857
Truncatella caribaeensis Reeve, 1842
Truncatella clathrus Lowe, 1932
Truncatella floridana Hubricht, 1983
Truncatella pulchella Pfeiffer, 1839
Truncatella regina Hubricht, 1983
Truncatella scalaris (Michaud, 1830)
Truncatella stimpsoni Stearns, 1872
Truncatella stimpsonii Stearns, 1872
Truncatella subcylindrica Linnaeus, 1758
Truncilla cognata (Lea, 1860)
Truncilla donaciformis (Lea, 1828)
Truncilla macrodon (Lea, 1859)
Truncilla truncata Rafinesque, 1820
Tryonia aequicostata (Pilsbry, 1890)
Tryonia angulata Hershler and Sada, 1987
Tryonia brunei Taylor, 1987
Tryonia cheatumi (Pilsbry, 1935)
Tryonia circumstriata (Leonard and Ho, 1960)
Tryonia clathrata Stimpson, 1865
Tryonia diaboli (Pilsbry and Ferriss, 1906)
Tryonia elata Hershler and Sada, 1987
Tryonia ericae Hershler and Sada, 1987
Tryonia gilae Taylor, 1987
Tryonia imitator (Pilsbry, 1899)
Tryonia infernalis Hershler, Liu and Simpson, 2015
Tryonia margae Hershler, 1989
Tryonia metcalfi Hershler, Liu and Landye, 2011
Tryonia monitorae Hershler, 1999
Tryonia oasiensis Hershler, Liu and Landye, 2011
Tryonia porrecta (Mighels, 1845)
Tryonia quitobaquitae Hershler, 1988
Tryonia rowlandsi Hershler, 1989
Tryonia salina Hershler, 1989
Tryonia variegata Hershler and Sada, 1987
Tulotoma magnifica (Conrad, 1834)
Turbinella wilsoni Conrad, 1847
Turbo cailletii P. Fischer and Bernardi, 1856
Turbo canaliculatus Hermann, 1781
Turbo castanea Gmelin, 1791
Turbo fluctuosus Wood, 1828
Turbo haraldi Robertson, 1957
Turbo petholatus Linnaeus, 1758
Turbo sandwicensis Pease, 1861
Turbonilla abreojensis Dall and Bartsch, 1909
Turbonilla abrupta
Turbonilla acra Dall and Bartsch, 1909
Turbonilla adusta Dall and Bartsch, 1909
Turbonilla aepynota Dall and Bartsch, 1909
Turbonilla aequalis (Say, 1827)
Turbonilla alarconi Strong, 1949
Turbonilla alaskana Dall and Bartsch, 1909
Turbonilla alfredi Abbott, 1958
Turbonilla almejasensis Bartsch, 1917
Turbonilla almo Dall and Bartsch, 1909
Turbonilla anira Dall and Bartsch, 1927
Turbonilla antestriata Dall and Bartsch, 1907
Turbonilla aragoni Dall and Bartsch, 1909
Turbonilla aresta Dall and Bartsch, 1909
Turbonilla aripana Strong, 1949
Turbonilla asuncionis Strong, 1949
Turbonilla attrita Dall and Bartsch, 1909
Turbonilla aurantia (Carpenter, 1864)
Turbonilla auricoma Dall and Bartsch, 1903
Turbonilla azteca Baker, Hanna, and Strong, 1928
Turbonilla baegerti Bartsch, 1917
Turbonilla bakeri Bartsch, 1912
Turbonilla barcleyensis Bartsch, 1917
Turbonilla barkleyensis Bartsch, 1917
Turbonilla bartolomensis Bartsch, 1917
Turbonilla belotheca Dall, 1889
Turbonilla burchi M. Gordon, 1938
Turbonilla bushiana Verrill, 1882
Turbonilla buteonis Bartsch, 1909
Turbonilla buttoni Dall and Bartsch, 1909
Turbonilla cabrilloi Bartsch, 1917
Turbonilla callia Dall and Bartsch, 1909
Turbonilla callimene Bartsch, 1912
Turbonilla campanellae (Philippi, 1836)
Turbonilla canadensis Bartsch, 1917
Turbonilla canfieldi Dall and Bartsch, 1907
Turbonilla carpenteri Dall and Bartsch, 1909
Turbonilla castanea (Keep, 1887)
Turbonilla castanella Dall, 1908
Turbonilla centrota Dall and Bartsch, 1909
Turbonilla ceralva Dall and Bartsch, 1909
Turbonilla chalcana Baker, Hanna, and Strong, 1928
Turbonilla chocolata (Carpenter, 1864)
Turbonilla clarinda Bartsch, 1912
Turbonilla clementina Bartsch, 1927
Turbonilla cochimana Strong, 1949
Turbonilla conoma Bartsch In Dall, 1927
Turbonilla conradi Bush, 1899
Turbonilla cookeana
Turbonilla coomansi Van Aartsen, 1994
Turbonilla cornelliana
Turbonilla corsoensis Bartsch, 1917
Turbonilla cortezi Bartsch, 1917
Turbonilla coyotensis Baker, Hanna, and Strong, 1928
Turbonilla curta Dall, 1889
Turbonilla dalli Bush, 1899
Turbonilla delmontana Bartsch, 1937
Turbonilla diegensis Dall and Bartsch, 1909
Turbonilla dinora Bartsch, 1912
Turbonilla domingana Hertlein and Strong, 1951
Turbonilla dora Bartsch, 1917
Turbonilla dracona Bartsch, 1912
Turbonilla edwardensis Bartsch, 1909
Turbonilla electra Bartsch In Dall, 1927
Turbonilla elegantissima
Turbonilla elegantula A. E. Verrill, 1882
Turbonilla emertoni Verrill, 1882
Turbonilla encella Bartsch, 1912
Turbonilla engbergi Bartsch, 1920
Turbonilla enna Bartsch, 1927
Turbonilla eschscholtzi Dall and Bartsch, 1907
Turbonilla eucosmobasis Dall and Bartsch, 1907
Turbonilla eva Bartsch, 1917
Turbonilla excolpa
Turbonilla exilis (C. B. Adams, 1850)
Turbonilla eyerdami Bartsch, 1927
Turbonilla fackenthallae A. G. Smith and M. Gordon, 1948
Turbonilla franciscana Bartsch, 1917
Turbonilla francisquitana
Turbonilla gabbiana (J. G. Cooper, 1867)
Turbonilla gilli Dall and Bartsch, 1907
Turbonilla gloriosa Bartsch, 1912
Turbonilla gonzagensis Baker, Hanna, and Strong, 1928
Turbonilla grandis Verrill, 1885
Turbonilla grippi Bartsch, 1912
Turbonilla guaicurana Strong, 1949
Turbonilla halibrecta Dall and Bartsch, 1909
Turbonilla halidoma Dall and Bartsch, 1909
Turbonilla halistrepta Dall and Bartsch, 1909
Turbonilla haycocki Dall and Bartsch, 1911
Turbonilla hecuba Dall and Bartsch, 1913
Turbonilla hemphilli Bush, 1899
Turbonilla hespera Bartsch In Dall, 1927
Turbonilla heterolopha Dall and Bartsch, 1909
Turbonilla histias Dall and Bartsch, 1909
Turbonilla hypolispa Dall and Bartsch, 1909
Turbonilla idothea
Turbonilla ignacia
Turbonilla ilfa Bartsch, 1927
Turbonilla ina Bartsch, 1917
Turbonilla incisa Bush, 1899
Turbonilla insularis Dall and Simpson, 1901
Turbonilla interrupta (Totten, 1835)
Turbonilla ista Bartsch, 1917
Turbonilla jewetti Dall and Bartsch, 1909
Turbonilla johnsoni Baker, Hanna, and Strong, 1928
Turbonilla juani Bartsch, 1917
Turbonilla kaliwana Strong, 1949
Turbonilla kelseyi Dall and Bartsch, 1909
Turbonilla kincaidi Bartsch, 1921
Turbonilla kurtzii Mazyck, 1913
Turbonilla laevis (C. B. Adams, 1850)
Turbonilla laminata (Carpenter, 1864)
Turbonilla lamna Bartsch, 1917
Turbonilla lara Dall and Bartsch, 1909
Turbonilla larunda Dall and Bartsch, 1909
Turbonilla lazaroensis Bartsch, 1917
Turbonilla lepta Dall and Bartsch, 1909
Turbonilla leta Bartsch In Dall, 1927
Turbonilla levis (C. B. Adams, 1850)
Turbonilla lituyana Dall and Bartsch, 1909
Turbonilla lordi (E. A. Smith, 1880)
Turbonilla lordii (E. A. Smith, 1880)
Turbonilla louiseae Clarke, 1954
Turbonilla lucana Dall and Bartsch, 1909
Turbonilla lyalli Dall and Bartsch, 1907
Turbonilla macbridei Dall and Bartsch, 1909
Turbonilla macouni Dall and Bartsch, 1910
Turbonilla magdalinensis Bartsch, 1927
Turbonilla mariana Bartsch, 1917
Turbonilla marshalli Dall and Bartsch, 1909
Turbonilla mayana Baker, Hanna, and Strong, 1928
Turbonilla melea Bartsch In Dall, 1927
Turbonilla middendorffi Bartsch, 1927
Turbonilla middendorfi Bartsch, 1927
Turbonilla mighelsi Bartsch, 1909
Turbonilla miona Bartsch In Dall, 1927
Turbonilla mioperplicatulus Sacco, 1892
Turbonilla morchi Dall and Bartsch, 1907
Turbonilla multicostata (C. B. Adams, 1850)
Turbonilla muricatoides Dall and Bartsch, 1907
Turbonilla myia Bartsch In Dall, 1927
Turbonilla nahuana Baker, Hanna, and Strong, 1928
Turbonilla nema Bartsch In Dall, 1927
Turbonilla nereia Dall and Bartsch, 1909
Turbonilla newcombei Dall and Bartsch, 1907
Turbonilla newcombiei Dall and Bartsch, 1907
Turbonilla nivea (Stimpson, 1851)
Turbonilla nonica Bartsch In Dall, 1927
Turbonilla nuttingi Dall and Bartsch, 1909
Turbonilla obeliscus (C. B. Adams, 1850)
Turbonilla obesa Dall and Bartsch, 1909
Turbonilla oregonensis Dall and Bartsch, 1907
Turbonilla pauli A. G. Smith and M. Gordon, 1958
Turbonilla penascoencis Lowe, 1935
Turbonilla pentalopha Dall and Bartsch, 1903
Turbonilla pequensis Dall and Bartsch, 1909
Turbonilla pericuana Strong, 1949
Turbonilla periscelida Dall and Bartsch, 1909
Turbonilla perlepida A. E. Verrill, 1885
Turbonilla pesa Dall and Bartsch, 1910
Turbonilla pluto Dall and Bartsch, 1909
Turbonilla pocahontasae J. B. Henderson and Bartsch, 1914
Turbonilla polita (A. E. Verrill, 1872)
Turbonilla portoricana Dall and Simpson, 1901
Turbonilla powhatani J. B. Henderson and Bartsch, 1914
Turbonilla protracta Dall, 1892
Turbonilla pugetensis Bartsch, 1917
Turbonilla puncta (C. B. Adams, 1850)
Turbonilla punicea Dall, 1884
Turbonilla pupoides D'Orbigny, 1842
Turbonilla pusilla (C. B. Adams, 1850)
Turbonilla pyrrha Bartsch In Dall, 1927
Turbonilla rathbuni A. E. Verrill and S. Smith, 1880
Turbonilla raymondi Dall and Bartsch, 1909
Turbonilla recta Dall and Bartsch, 1909
Turbonilla regina Dall and Bartsch, 1909
Turbonilla reticulata (C. B. Adams, 1850)
Turbonilla rhea Bartsch In Dall, 1927
Turbonilla ridgwayi Dall and Bartsch, 1909
Turbonilla riisei Morch, 1875
Turbonilla rinella Dall and Bartsch, 1910
Turbonilla sanctorum Dall and Bartsch, 1909
Turbonilla santarosana Dall and Bartsch, 1909
Turbonilla scammonensis Bartsch, 1912
Turbonilla schmitti Bartsch, 1917
Turbonilla sebastiani Bartsch, 1917
Turbonilla serrae Dall and Bartsch, 1907
Turbonilla shuyakensis Bartsch, 1927
Turbonilla signae Dall and Bartsch, 1909
Turbonilla simpsoni Dall and Bartsch, 1909
Turbonilla sirena
Turbonilla stelleri Bartsch, 1927
Turbonilla stillmani A. G. Smith and M. Gordon, 1948
Turbonilla stimpsoni Bush, 1899
Turbonilla striatula
Turbonilla stricta A. E. Verrill, 1873
Turbonilla strongi Willett, 1931
Turbonilla styliformis Morch, 1875
Turbonilla stylina (Carpenter, 1864)
Turbonilla subulata (C. B. Adams, 1850)
Turbonilla sumneri Bartsch, 1909
Turbonilla superba Dall and Bartsch, 1909
Turbonilla swani Dall and Bartsch, 1909
Turbonilla talma Dall and Bartsch, 1910
Turbonilla taylori Dall and Bartsch, 1907
Turbonilla tecalo Bartsch, 1917
Turbonilla tenuicula (Gould, 1853)
Turbonilla textilis (Kurtz, 1860)
Turbonilla theona Bartsch In Dall, 1927
Turbonilla tolteca Baker, Hanna, and Strong, 1928
Turbonilla torquata (Gould, 1853)
Turbonilla toyatani J. B. Henderson and Bartsch, 1914
Turbonilla tremperi Bartsch, 1917
Turbonilla tridentata (Carpenter, 1864)
Turbonilla typica Dall and Bartsch In Arnold, 1903
Turbonilla ulloa Bartsch, 1917
Turbonilla unilirata Bush, 1899
Turbonilla valida A. E. Verrill and Bush, 1900
Turbonilla vancouverensis (Baird, 1863)
Turbonilla verrilli Bartsch, 1909
Turbonilla verrillii Bartsch, 1909
Turbonilla vexativa Dall and Bartsch, 1909
Turbonilla virga Dall, 1884
Turbonilla virgata Dall, 1892
Turbonilla virginica J. B. Henderson and Bartsch, 1914
Turbonilla virgo (Carpenter, 1864)
Turbonilla viridaria Dall, 1884
Turbonilla viscainoi Bartsch, 1917
Turbonilla vivesi Herlein and Strong, 1951
Turbonilla weldi Dall and Bartsch, 1909
Turbonilla whiteavesi Bartsch, 1909
Turbonilla wickhami Dall and Bartsch, 1909
Turbonilla willetti A. G. Smith and M. Gordon, 1948
Turbonilla wrightsvillensis Powell, 1981
Turbonilla yolettae Hertlein and Strong, 1951
Turcica admirabilis S. S. Berry, 1969
Turcica caffea (Gabb, 1865)
Turcica monilifera (A. Adams, 1854)
Turrisipho dalli (Friele In Tyron, 1881)
Turrisipho fenestratus (Turton, 1843)
Turrisipho lachesis (Morch, 1869)
Turrisipho moebii (Dunker and Metzger, 1874)
Turritella acropora Dall, 1889
Turritella anactor S. S. Berry, 1957
Turritella clorionensis Hertlein and Strong, 1951
Turritella communis
Turritella cooperi Carpenter, 1864
Turritella exoleta (Linnaeus, 1758)
Turritella hookeri Reeve, 1849
Turritella jewetti Carpenter, 1864
Turritella lentiginosa Reeve, 1849
Turritella leucostoma Valenciennes, 1832
Turritella lindae Petuch, 1987
Turritella mariana Dall, 1908
Turritella nodulosa King and Broderip, 1832
Turritella orthosymmetrica S. S. Berry, 1953
Turritella parkeri J. H. McLean, 1970
Turritella variegata (Linnaeus, 1758)
Turritella willetti J. H. McLean, 1970
Turritella yucatecanum Dall, 1881
Turritellopsis acicula (Stimpson, 1851)
Turritellopsis stimpsoni Dall, 1919
Turtonia minuta (Fabricius, 1780)
Tylodina americana Dall, 1890
Tylodina fungina Gabb, 1865
Tylodinella spongotheras Bertsch, 1980
Typhinellus sowerbii (Broderip, 1833)
Typhis sowerbii Broderip, 1833
Typhlomangelia nivalis (Loven, 1846)
Udosarx lyrata Webb, 1959
Umbilibalcis lata (Dall, 1889)
Umbraculum umbraculum (Lightfoot, 1786)
Unela nahantensis Doe, 1974
Unela remanei Er. Marcus, 1953
Unio abyssinicus Martens, 1866
Unio bruguierianus Bourguignat, 1853
Unio caffer Krauss, 1848
Unio carneus Küster, 1854
Unio courtillieri Hattemann, 1859
Unio crassus Philipsson in Retzius, 1788
Unio damascensis Lea, 1863
Unio delicatus Lea, 1863
Unio delphinus Spengler, 1793
Unio dembeae Reeve, 1865
Unio durieui Deshayes, 1847
Unio elongatulus C. Pfeiffer, 1825
Unio eucirrus Bourguignat, 1857
Unio foucauldianus Pallary, 1936
Unio gibbus Spengler, 1793
Unio hueti Bourguignat, 1855
Unio ionicus Drouët, 1879
Unio mancus Lamarck, 1819
Unio pictorum (Linnaeus, 1758)
Unio ravoisieri Deshayes, 1847
Unio sesirmensis Kobelt, 1913
Unio terminalis Bourguignat, 1852
Unio tigridis Bourguignat, 1852
Unio tumidiformis da Silva e Castro, 1885
Unio tumidus Philipsson in Retzius, 1788
Uniomerus carolinianus (Bosc, 1801)
Uniomerus columbensis (Lea, 1857)
Uniomerus declivis (Say, 1831)
Uniomerus tetralasmus (Say, 1831)
Unionetta fabagina (Deshayes & Jullien, 1876)
Urosalpinx cinerea (Say, 1822)
Urosalpinx lurida (Middendorff, 1848)
Urosalpinx macra A. E. Verrill, 1884
Urosalpinx perrugata (Conrad, 1846)
Urosalpinx sclera Dall, 1919
Urosalpinx subangulata (Stearns, 1873)
Urosalpinx tampaensis (Conrad, 1846)
Uroteuthis abulati (Adam, 1955)
Uroteuthis arabica (Ehrenberg, 1831)
Uroteuthis bartschi Rehder, 1945
Uroteuthis bengalensis (Jothinayagam, 1987)
Uroteuthis chinensis (Gray, 1849)
Uroteuthis duvauceli (D'Orbigny, 1835 in Férussac and D'Orbigny, 1834-1848)
Uroteuthis edulis (Hoyle, 1885)
Uroteuthis noctiluca (Lu, Roper and Tait, 1985)
Uroteuthis pickfordi (Adam, 1954)
Uroteuthis reesi (Voss, 1962)
Uroteuthis robsoni (Alexeyev, 1992)
Uroteuthis sibogae (Adam, 1954)
Uroteuthis singhalensis (Ortmann, 1891)
Uroteuthis vossi (Nesis, 1982)
Utterbackia imbecillis (Say, 1829)
Utterbackia peggyae (R. I. Johnson, 1965)
Utterbackia peninsularis Bogan & Hoeh, 1995
Utterbackiana couperiana (Lea, 1840)
Utterbackiana hartfieldorum (Williams, Bogan & Garner, 2009)
Utterbackiana heardi (Gordon & Hoeh, 1995)
Utterbackiana implicata (Say, 1829)
Utterbackiana suborbiculata (Say, 1831)
Vallonia albula Sterki, 1893
Vallonia costata (Muller, 1774)
Vallonia cyclophorella Sterki, 1892
Vallonia excentrica Sterki, 1893
Vallonia gracilicosta Reinhardt, 1883
Vallonia parvula Sterki, 1893
Vallonia perspectiva Sterki, 1893
Vallonia pulchella (Muller, 1774)
Vallonia terraenovae Gerber, 1996
Valvata bicarinata Lea, 1841
Valvata humeralis Say, 1829
Valvata lewisi Currier, 1868
Valvata mergella Westerlund, 1883
Valvata perdepressa Walker, 1906
Valvata piscinalis (Muller, 1774)
Valvata sincera Say, 1824
Valvata tricarinata (Say, 1817)
Valvata utahensis Call, 1884
Valvata virens Tryon, 1863
Valvata winnebagoensis F. C. Baker, 1928
Vampyroteuthis infernalis Chun, 1903
Vanikoro acuta
Vanikoro cancellata Lamarck, 1822
Vanikoro imbricata
Vanikoro oxychone Morch, 1877
Varicopeza crystallina (Dall, 1881)
Varicorbula gibba (Olivi, 1792)
Varicorbula operculata (Philippi, 1848)
Vasum capitellum (Linnaeus, 1758)
Vasum cassiforme Kiener, 1841
Vasum globulus Lamarck, 1816
Vasum muricatum (Born, 1778)
Velesunio ambiguus (Philippi, 1847)
Velesunio angasi (Sowerby, 1867)
Velesunio moretonicus (Reeve, 1865)
Velesunio sentaniensis (Haas, 1924)
Velesunio wilsonii (Lea, 1859)
Velodona togata Chun, 1915
Velutina beringensis
Velutina conica Dall, 1887
Velutina granulata Dall, 1919
Velutina laevigata Linnaeus
Velutina lanata
Velutina lanigera Moller, 1842
Velutina nana Bartsch, 1950
Velutina plicatilis (Muller, 1776)
Velutina prolongata Carpenter, 1864
Velutina rubra Willett, 1919
Velutina undata (T. Brown, 1839)
Velutina velutina (Muller, 1776)
Venericardia borealis
Venericardia tridentata
Venerupis aurea (Gmelin, 1791)
Venerupis decussata Linnaeus, 1758
Venerupis philippinarum (A. Adams and Reeve, 1850)
Venerupis senegalensis (Gmelin, 1791)
Ventridens acerra (J. Lewis, 1870)
Ventridens arcellus Hubricht, 1976
Ventridens brittsi (Pilsbry, 1892)
Ventridens cerinoideus (Anthony, 1865)
Ventridens coelaxis (Pilsbry, 1899)
Ventridens collisella (Pilsbry, 1896)
Ventridens decussatus (Walker and Pilsbry, 1902)
Ventridens demissus (A. Binney, 1843)
Ventridens eutropis Pilsbry, 1946
Ventridens gularis (Say, 1822)
Ventridens intertextus (A. Binney, 1841)
Ventridens lasmodon (Phillips, 1841)
Ventridens lawae (W. G. Binney, 1892)
Ventridens ligera (Say, 1821)
Ventridens monodon Hubricht, 1964
Ventridens percallosus (Pilsbry, 1898)
Ventridens pilsbryi Hubricht, 1964
Ventridens suppressus (Say, 1829)
Ventridens theloides (Walker and Pilsbry, 1902)
Ventridens virginicus (Vanatta, 1936)
Ventridens volusiae (Pilsbry, 1900)
Venus fasciata
Venus gallina
Venus ovata
Venus verrucosa Linnaeus
Venustaconcha constricta (Conrad, 1838)
Venustaconcha ellipsiformis (Conrad, 1836)
Venustaconcha pleasii (Marsh, 1891)
Venustaconcha trabalis (Conrad, 1834)
Venustaconcha troostensis (Lea, 1834)
Veprecula brunonia
Vermetus compactus
Vermicularia fargoi Olsson, 1951
Vermicularia fewkesi (Yates, 1890)
Vermicularia knorrii (Deshayes, 1843)
Vermicularia radicula (Stimpson, 1851)
Vermicularia spirata (Philippi, 1836)
Veronicella sloanii (Cuvier, 1817)
Verticordia acuticostata Philippi, 1884
Verticordia fischeriana Dall, 1881
Verticordia granulata Seguenza, 1876
Verticordia ornata (d'Orbigny, 1842)
Verticordia seguenzae Dall, 1886
Verticordia transversa Locard, 1898
Verticordia trapezoides Sequenza, 1876
Verticordia triangularis Locard, 1898
Verticordia woodii E. A. Smith, 1885
Vertigo alabamensis G. H. Clapp, 1915
Vertigo allyniana S. S. Berry, 1919
Vertigo alpestris Alder, 1838
Vertigo andrusiana Pilsbry, 1899
Vertigo arthuri von Martens, 1882
Vertigo berryi Pilsbry, 1919
Vertigo binneyana Sterki, 1890
Vertigo bollesiana (E. S. Morse, 1865)
Vertigo californica (Rowell, 1861)
Vertigo clappi Brooks and Hunt, 1936
Vertigo columbiana (Pilsbry and Vanatta, 1900)
Vertigo concinnula Cockerell, 1897
Vertigo conecuhensis G. H. Clapp, 1915
Vertigo dalliana Sterki, 1890
Vertigo elatior Sterki, 1894
Vertigo gouldi (A. Binney, 1843)
Vertigo hebardi Vanatta, 1912
Vertigo hinkleyi Pilsbry, 1921
Vertigo idahoensis Pilsbry, 1934
Vertigo meramecensis Van Devender, 1979
Vertigo milium (Gould, 1840)
Vertigo modesta (Say, 1824)
Vertigo morsei Sterki, 1894
Vertigo nylanderi Sterki, 1909
Vertigo occidentalis Sterki, 1907
Vertigo oralis Sterki, 1898
Vertigo oscariana Sterki, 1890
Vertigo ovata Say, 1822
Vertigo paradoxa Sterki, 1900
Vertigo parvula Sterki, 1890
Vertigo perryi Sterki, 1905
Vertigo pygmaea (Draparnaud, 1801)
Vertigo rowelli (Newcomb, 1860)
Vertigo rugosula Sterki, 1890
Vertigo sterkii Pilsbry, 1919
Vertigo teskeyae Hubricht, 1961
Vertigo tridentata Wolf, 1870
Vertigo ventricosa (E. S. Morse, 1865)
Vertigo wheeleri Pilsbry, 1928
Vesicomya angulata (Dall, 1896)
Vesicomya atlantica (E. A. Smith, 1885)
Vesicomya bruuni Filatova, 1969
Vesicomya caribbea Boss, 1967
Vesicomya cordata Boss, 1968
Vesicomya gigas (Dall, 1896)
Vesicomya leeana (Dall, 1889)
Vesicomya lepta (Dall, 1896)
Vesicomya ovalis (Dall, 1896)
Vesicomya pilula (Dall, 1881)
Vesicomya smithii Dall, 1889
Vesicomya stearnsii (Dall, 1895)
Vesicomya vesica (Dall, 1886)
Vespericola armiger (Ancey, 1881)
Vespericola columbianus (I. Lea, 1838)
Vespericola eritrichius (S. S. Berry, 1939)
Vespericola haplus (S. S. Berry, 1933)
Vespericola karakorum Talmadge, 1962
Vespericola karokorum Talmadge, 1962
Vespericola klamathicus Roth and W. B. Miller, 1995
Vespericola marinensis Roth and W. B. Miller, 1993
Vespericola megasoma (Pilsbry, 1928)
Vespericola orius (S. S. Berry, 1933)
Vespericola pilosus (J. Henderson, 1928)
Vespericola pinicola (S. S. Berry, 1916)
Vespericola pressleyi Roth, 1985
Vespericola rothi Cordero and W. B. Miller, 1995
Vespericola scotti Cordero and W. B. Miller, 1995
Vespericola shasta (S. S. Berry, 1921)
Vespericola sierranus (S. S. Berry, 1921)
Vexillum albocinctum (C. B. Adams, 1845)
Vexillum bellum
Vexillum castum
Vexillum dermestinum (Lamarck, 1811)
Vexillum epiphaneum (Rehder, 1943)
Vexillum exiguum (C. B. Adams, 1845)
Vexillum gemmatum (G. B. Sowerby II, 1874)
Vexillum hanleyi (Dohrn, 1862)
Vexillum hendersoni (Dall, 1927)
Vexillum histrio (Reeve, 1844)
Vexillum laterculatum (G. B. Sowerby II, 1874)
Vexillum macrospirum
Vexillum micra
Vexillum moisei McGinty, 1955
Vexillum puella (Reeve, 1845)
Vexillum pulchellum (Reeve, 1844)
Vexillum radix
Vexillum styria (Dall, 1889)
Vexillum sykesi (Melvill, 1925)
Vexillum trophonium (Dall, 1889)
Vexillum unifasciatum
Vexillum wandoense (Holmes, 1860)
Vexillum wolfei
Vexillum zythochroa (Melvill, 1888)
Vilasina seminuda (Dall, 1897)
Vilasina vernicosa (Middendorff, 1849)
Villosa amygdala (Lea, 1843)
Villosa delumbis (Conrad, 1834)
Villosa vibex (Conrad, 1834)
Villosa villosa (B. H. Wright, 1898)
Virgus beccarianus (Tapparone Canefri, 1883)
Viridrillia cervina Bartsch, 1943
Viridrillia hendersoni Bartsch, 1943
Viridrillia williami Bartsch, 1943
Vitrea contracta (Westerlund, 1871)
Vitreledonella alberti Joubin, 1924
Vitreledonella richardi Joubin, 1918
Vitreolina arcuata (C. B. Adams, 1850)
Vitreolina columbiana (Bartsch, 1917)
Vitreolina macra (Bartsch, 1917)
Vitreolina yod (Carpenter, 1857)
Vitricithra marmorata
Vitricythara elata (Dall, 1889)
Vitricythara metria (Dall, 1903)
Vitrina angelicae Beck, 1837
Vitrina pellucida (Muller, 1774)
Vitrinella alaskensis Bartsch, 1907
Vitrinella berryi Bartsch, 1907
Vitrinella bicaudata Pilsbry and McGinty, 1946
Vitrinella blakei Rehder, 1944
Vitrinella carinata (Orbigny, 1842)
Vitrinella carnifex Dall, 1927
Vitrinella cerion Dall, 1927
Vitrinella columbiana Bartsch, 1921
Vitrinella diaphana (d'Orbigny, 1842)
Vitrinella elegans Olsson and McGinty, 1958
Vitrinella eshnaurae Bartsch, 1907
Vitrinella filifera Pilsbry and McGinty, 1946
Vitrinella floridana Pilsbry and McGinty, 1946
Vitrinella georgiana Dall, 1927
Vitrinella helicoidea C. B. Adams, 1850
Vitrinella hemphilli Vanatta, 1913
Vitrinella lucasana (Baker, Hanna and Strong, 1938)
Vitrinella massarita Dall, 1927
Vitrinella multistriata (A. E. Verrill, 1884)
Vitrinella oldroydi Bartsch, 1907
Vitrinella praecox Pilsbry and McGinty, 1946
Vitrinella rhyssa Dall, 1927
Vitrinella smithi Bartsch, 1927
Vitrinella stearnsi Bartsch, 1907
Vitrinella terminalis Pilsbry and McGinty, 1946
Vitrinella texana D. Moore, 1965
Vitrinella thomasi (Pilsbry, 1945)
Vitrinella tiburonensis Durham, 1942
Vitrinella tryoni Bush, 1897
Vitrinella williamsoni Dall, 1892
Vitrinizonites latissimus (J. Lewis, 1875)
Vitrinorbis diegensis (Bartsch, 1907)
Viviparus georgianus (Lea, 1834)
Viviparus goodrichi Archer, 1933
Viviparus intertextus (Say, 1829)
Viviparus japonicus (Von Martens, 1860)
Viviparus limi Pilsbry, 1918
Viviparus malleatus (Reeve, 1863)
Viviparus subpurpureus (Say, 1829)
Voluta musica Linnaeus, 1758
Volutharpa ampullacea (Middendorff, 1848)
Volutharpa perryi
Volutomitra alaskana Dall, 1902
Volutomitra groenlandica (Moller, 1842)
Volutopsion castaneum (Dall, 1877)
Volutopsius behringi (Middendorff, 1849)
Volutopsius castanea (Morch, 1858)
Volutopsius fragilis (Dall, 1891)
Volutopsius middendorffii (Dall, 1891)
Volutopsius norwegicus (Gmelin, 1791)
Volutopsius pallidus Tiba, 1973
Volutopsius regularis (Dall, 1873)
Volutopsius trophonius Dall, 1902
Volva volva Linnaeus, 1758
Volvarina albolineata (d'Orbigny, 1842)
Volvarina avena (Kiener, 1834)
Volvarina lactea (Kiener, 1841)
Volvarina subtriplicata (d'Orbigny, 1842)
Volvarina taeniolata Morch, 1860
Volvatella bermudae K. B. Clark, 1982
Volvulella acuminatus Bruguiere, 1792
Volvulella californica Dall, 1919
Volvulella catharia Dall, 1919
Volvulella cylindrica (Carpenter, 1864)
Volvulella panamica Dall, 1919
Volvulella paupercula (Watson, 1883)
Volvulella persimilis (Morch, 1875)
Volvulella recta (Morch, 1875)
Volvulella texasiana Harry, 1967
Vorticifex effusa (Lea, 1856)
Vorticifex solida (Dall, 1870)
Vosseledone charrua Palacio, 1978
Walvisteuthis virilis Nesis and Nikitina, 1986
Watasenia scintillans (Berry, 1911)
Webbhelix chadwicki (Ferriss, 1907)
Webbhelix multilineata (Say, 1821)
Westralunio albertisi Clench, 1957
Westralunio carteri Iredale, 1934
Westralunio flyensis (Tapparone Canefri, 1883)
Williamia krebsii (Morch, 1877)
Williamia peltoides (Carpenter, 1864)
Williamia radiata (Pease, 1861)
Wirenia argentea Odhner, 1921
Woodbridgea polystrigma (Dall, 1908)
Woodbridgea williamsi S. S. Berry, 1953
Xanthodaphne bruneri (Verrill, 1884)
Xanthodaphne charcotiana Bouchet and Waren, 1980
Xenophora caribaea Petit de la Saussaye, 1857
Xenophora conchyliophora (Born, 1780)
Xenophora longleyi Bartsch, 1931
Xerarionta intercisa (W. G. Binney, 1857)
Xerarionta kelletti (Forbes, 1850)
Xerarionta kellettii (Forbes, 1850)
Xerarionta redimita (W. G. Binney, 1858)
Xerarionta stearnsiana (Gabb, 1868)
Xerarionta tryoni (Newcomb, 1864)
Xolotrema caroliniense (I. Lea, 1834)
Xolotrema denotatum (Ferussac, 1821)
Xolotrema fosteri (F. C. Baker, 1921)
Xolotrema obstrictum (Say, 1821)
Xolotrema occidentale (Pilsbry and Ferriss, 1907)
Xylophaga abyssorum Dall, 1886
Xylophaga atlantica Richards, 1942
Xylophaga dorsalis (Turton, 1819)
Xylophaga praestans E. A. Smith, 1903
Xylophaga washingtona Bartsch, 1921
Xyloredo naceli Turner, 1972
Xyloredo nooi Turner, 1972
Yaukthwa avaensis Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020
Yaukthwa baniensis (Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2020)
Yaukthwa dalliana (Frierson, 1913)
Yaukthwa elongatula Bolotov, Konopleva, Vikhrev, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova et al., 2019
Yaukthwa inlenensis Konopleva, Pfeiffer, Vikhrev, Kondakov, Gofarov, Aksenova, Lunn, Chan & Bolotov, 2019
Yaukthwa nesemanni (Konopleva, Vikhrev & Bolotov in Bolotov et al., 2017)
Yaukthwa paiensis Konopleva, Pfeiffer, Vikhrev, Kondakov, Gofarov, Aksenova, Lunn, Chan & Bolotov, 2019
Yaukthwa panhai (Konopleva, Bolotov & Kondakov in Bolotov et al., 2017)
Yaukthwa peguensis (J. G. Anthony, 1865)
Yaukthwa rectangularis (Tapparone Canefri, 1889)
Yaukthwa zayleymanensis (Preston, 1912)
Yoldia amygdalea Valenciennes, 1846
Yoldia beringiana Dall, 1916
Yoldia cooperii Gabb, 1865
Yoldia excavata
Yoldia glacialis Gray, 1828
Yoldia hyperborea (Gould, 1841)
Yoldia limatula (Say, 1831)
Yoldia martyria Dall, 1897
Yoldia micrometrica (Sequenza, 1878)
Yoldia myalis (Couthouy, 1838)
Yoldia regularis A. E. Verrill, 1884
Yoldia sapotilla (Gould, 1841)
Yoldia scissurata Dall, 1897
Yoldia secunda Dall, 1916
Yoldia seminuda Dall, 1871
Yoldia solenoides Dall, 1881
Yoldiella cecinella (Dall, 1916)
Yoldiella curta Verrill and Bush, 1898
Yoldiella dicella
Yoldiella dissimilis (A. E. Verrill and Bush, 1898)
Yoldiella expansa (Jeffreys, 1876)
Yoldiella fraterna (Verrill and Bush, 1898)
Yoldiella frigida (Torell, 1859)
Yoldiella inconspicua (A. E. Verrill and Bush, 1898)
Yoldiella inflata (Verrill and Bush, 1897)
Yoldiella insculpta (Jeffreys, 1879)
Yoldiella intermedia (M. Sars, 1865)
Yoldiella iris (Verrill and Bush, 1897)
Yoldiella jeffreysi (Hidalgo, 1877)
Yoldiella lenticula (Moller, 1842)
Yoldiella lucida (Loven, 1846)
Yoldiella nana (M. Sars, 1865)
Yoldiella oleacina (Dall, 1916)
Yoldiella orcia (Dall, 1916)
Yoldiella philippiana (Nyst, 1844)
Yoldiella profundorum (Melvill and Standen, 1912)
Yoldiella propinqua (Leche, 1878)
Yoldiella pusilla (Jeffreys, 1879)
Yoldiella sanesia (Dall, 1916)
Yoldiella siliqua (Reeve, 1855)
Yoldiella striolata (Brugnone, 1876)
Yoldiella subaequilatera (Jeffreys, 1879)
Yoldiella subangulata (Verrill and Bush, 1898)
Zachrysia auricoma (Ferussac, 1821)
Zachrysia provisoria (Pfeiffer, 1858)
Zacoleus idahoensis Pilsbry, 1903
Zafrona idalina (Duclos, 1840)
Zafrona pulchella (de Blainville, 1829)
Zafrona taylorae Petuch, 1987
Zebina browniana (d'Orbigny, 1842)
Zebina coronata (Mohrenstern, 1860)
Zebina laevigata (C. B. Adams, 1850)
Zeidora bigelowi Farfante, 1947
Zeidora calceolina A. Adams, 1860
Zeidora flabellum (Dall, 1896)
Zeidora naufraga Watson, 1883
Zirfaea crispata (Linnaeus, 1758)
Zirfaea pilsbryi Lowe, 1931
Zonaria spadicea (Swainson, 1823)
Zonites diegoensis Hemphill, 1892
Zonitoides arboreus (Say, 1816)
Zonitoides elliotti (Redfield, 1856)
Zonitoides kirbyi R. W. Fullington, 1974
Zonitoides lateumbilicatus (Pilsbry, 1895)
Zonitoides limatulus (A. Binney, 1840)
Zonitoides nitidus (Muller, 1774)
Zonitoides patuloides (Pilsbry, 1895)
Zonulispira sanibelensis (Bartsch and Rehder, 1939)
Zoogenetes harpa (Say, 1824)
Подврсте
Abra longicallis americana A. E. Verrill and Bush, 1898
Abra longicallis longicallis (Scacchi, 1834)
Acteocina culcitella culcitella (Gould, 1853)
Acteocina culcitella exima (Baird, 1863)
Alvania beanii beanii (Hanley, 1844)
Alvania beanii calathus (Hanley, 1850)
Amnicola dalli dalli (Pilsbry and Beecher, 1892)
Amnicola dalli johnsoni Pilsbry, 1899
Amphitretus pelagicus pelagicus Hoyle, 1885
Amphitretus pelagicus thielei Robson, 1930
Anachis avara avara (Say, 1822)
Anachis avara brasiliana von Martens, 1897
Anachis coronata coronata (Sowerby, 1832)
Anachis coronata hannana Hertlein and Strong, 1951
Anachis obesa obesa (C. B. Adams, 1845)
Anachis obesa ostreicola Melvill, 1881
Antalis entale entale (Linnaeus, 1758)
Antalis entale occidentale (Stimpson, 1851)
Antalis entale stimpsoni Henderson, 1920
Antiplanes motojimai aquilonalis Kantor and Sysoev, 1991
Arcinella arcinella arcinella (Linnaeus, 1767)
Arcinella arcinella californica (Dall, 1903)
Argopecten irradians amplicostatus (Dall, 1898)
Argopecten irradians concentricus (Say, 1822)
Argopecten irradians irradians (Lamarck, 1819)
Astarte crenata crenata (Gray, 1824)
Astarte crenata subequilatera Sowerby, 1854
Astarte crenata whiteavesii Dall, 1903
Austrotrophon cerrosensis cerrosensis
Axinopsida orbiculata inaegualis G. O. Sars, 1878
Axinopsida orbiculata orbiculata (G. O. Sars, 1878)
Bathypolypus arcticus arcticus (Prosch, 1847)
Bathypolypus arcticus proschi Muus, 1962
Beringius turtoni ossiani (Friele, 1879)
Beringius turtoni turtoni (Bean, 1834)
Berryteuthis magister magister (Berry, 1913)
Berryteuthis magister nipponensis Okutani and Kubodera, 1987
Bittium asperum asperum Gabb, 1861
Bittium asperum lomaense Bartsch, 1911
Bittium eschrichtii eschrichtii (Middendorf, 1849)
Bittium eschrichtii montereyense Bartsch, 1911
Bolitaena massyae massyae (Robson, 1924)
Bolitaena massyae purpurea (Robson, 1930)
Boreotrophon aculeatus aculeatus
Boreotrophon aculeatus lacunellus (Dall, 1889)
Buccinum angulosum angulosum J. E. Gray, 1838
Buccinum baerii baerii (Middendorff, 1848)
Buccinum baerii polium Dall, 1907
Buccinum cyaneum cyaneum Bruguiere, 1792
Buccinum cyaneum patulum G. O. Sars, 1878
Buccinum cyaneum perdix Morch, 1868
Buccinum pemphigus major Dall, 1919
Buccinum pemphigus orotundum Dall, 1907
Buccinum pemphigus pemphigus Dall, 1907
Buccinum strigillatum fucanum Dall, 1907
Buccinum strigillatum strigillatum Dall, 1891
Bulla striata striata Bruguiere, 1792
Bulla striata umbilicata Roding, 1798
Bursa californica californica (Hinds, 1843)
Bursa californica sonorana S. S. Berry, 1960
Bursa corrugata corrugata
Bursa corrugata ponderosa (Reeve, 1844)
Bursa granularis cubaniana (d'Orbigny, 1842)
Bursa granularis granularis Roding, 1798
Bursa ranelloides ranelloides
Bursa ranelloides tenuisculpta (Dautzenberg and H. Fischer, 1906)
Bursa rhodostoma rhodostoma
Bursa rhodostoma thomae (d'Orbigny, 1842)
Bursa tenuisculpta natalensis Coelho and Matthews, 1970
Bursa tenuisculpta tenuisculpta (Dautzenberg and Fischer, 1906)
Bursatella kachii kachii
Bursatella kachii pleii
Bursatella leachii leachi Blainville, 1817
Bursatella leachii pleii Rang, 1828
Busycon carica carica (Gmelin, 1791)
Busycon carica eliceans (Montfort, 1810)
Busycon perversum perversum (Linnaeus, 1758)
Cadulus tolmiei newcombei Pilsbry and Sharp, 1898
Cadulus tolmiei tolmiei (Dall, 1897)
Caecum crebricinctum barkleyense Bartsch, 1920
Caecum crebricinctum catalinense Bartsch, 1920
Caecum crebricinctum crebricinctum (Carpenter, 1864)
Caecum crebricinctum oregonense Bartsch, 1920
Caecum crebricinctum pedroense Bartsch, 1920
Calliostoma bairdi subumbilicatum Dall
Calliostoma bairdii bairdii A. E. Verrill and S. Smith, 1880
Calliostoma bairdii hendersoni Dall, 1927
Calliostoma bairdii oregon Clench and Turner, 1960
Calliostoma bairdii psyche Dall, 1927
Calliostoma bairdii rosewateri Clench and Turner, 1960
Calliostoma jujubinum jujubinum (Gmelin, 1791)
Calliostoma jujubinum tampaense (Conrad, 1846)
Calliostoma zizyphinum lyonsii (Leach, 1850)
Calliostoma zizyphinum zizyphinum (Linnaeus, 1758)
Cancellaria reticulata reticulata (Linnaeus, 1767)
Casmaria ponderosa atlantica Clench, 1944
Casmaria ponderosa ponderosa
Cassis madagascariensis spinella Clench, 1944
Cerion chrysalis chrysalis
Cerion chrysalis fastigatum Maynard, 1896
Cerion sculptum marielinum Torre, 1927
Cerion sculptum sculptum
Cerithidea californica albonodosa Gould and Carpenter, 1857
Cerithidea californica californica Swainson, 1840
Cerithidea californica mazatlanica Carpenter, 1856
Cerithidea costata beattyi Bequaert, 1942
Cerithidea costata costata (E. M. da Costa, 1778)
Cerithidea costata turrita Stearns, 1873
Cerithidea pliculosa pliculosa (Menke, 1829)
Cerithidea pliculosa veracruzensis Bequaert, 1942
Cerithiopsis metaxae metaxae Della Chiaje, 1829
Cerithiopsis metaxae taeniolata Dall, 1889
Cerithiopsis stejnegeri dina Bartsch, 1911
Cerithiopsis stejnegeri stejnegeri Dall, 1884
Cerithiopsis tubercularis floridana Dall, 1892
Cerithiopsis tuberculatus floridana Dall, 1892
Cerithiopsis tuberculatus tuberculatus Montagu, 1803
Cerithium eburneum algicola C. B. Adams, 1845
Cerithium eburneum eburneum Bruguiere, 1792
Cerithium litteratum litteratum (Born, 1778)
Cerithium litteratum semiferruginea Lamarck, 1822
Cerithium lutosum biminiense Pilsbry and McGinty, 1949
Cerithium lutosum lutosum Menke, 1828
Chama sinuosa firma Pilsbry and Mcginty, 1938
Chama sinuosa sinuosa Broderip, 1835
Charonia tritonis tritonis Linnaeus, 1758
Charonia tritonis variegata (Lamarck, 1816)
Chicoreus florifer florifer
Chione cancellata cancellata (Linnaeus, 1767)
Chione cancellata mazycki Dall, 1902
Chiroteuthis picteti picteti Joubin, 1894
Chiroteuthis picteti somaliensis Salcedo-Vargas, 1996
Chiroteuthis veranyi lacertosa Verrill, 1881 in 1880-1881
Chiroteuthis veranyi veranyi (Férussac, 1834)
Chlamys circularis aequisculata (Carpenter, 1864)
Chlamys circularis circularis (Sowerby, 1835)
Chlamys hastata hastata (Sowerby, 1842)
Chlamys hastata hericia (Gould, 1850)
Chlamys hastata pugetensis Oldroyd, 1920
Chlamys islandica costellatus Verrill and Bush, 1897
Chlamys islandica insculptus (Verrill, 1897)
Chlamys islandica islandica (Müller, 1776)
Chlamys varia nivea (Macgillivray, 1825)
Chlamys varia varia
Cingula robusta robusta
Cipangopaludina chinensis chinensis (Gray, 1834)
Cipangopaludina chinensis malleata (Reeve, 1863)
Clio pyramidata antarctica Dall, 1908
Clio pyramidata convexa (Boas, 1886)
Clio pyramidata excisa Van Der Spoel, 1963
Clio pyramidata lanceolata Lesueur, 1813
Clio pyramidata martensi Pfeffer, 1880
Clio pyramidata pyramidata Linnaeus, 1767
Clio pyramidata sulcata (Pfeffer, 1879)
Codakia orbiculata filiata Dall, 1901
Codakia orbiculata orbiculata (Montagu, 1808)
Collisella limatula limatula
Collisella limatula moerchii Dall
Colus gracilis frielei (Harmer, 1914)
Colus gracilis glabra (Verkruzen, 1876)
Colus gracilis gracilis
Colus jeffreysianus jeffreysianus
Colus jeffreysianus marshalli (Iredale, 1918)
Colus profundicola dispar Verrill, 1884
Colus profundicola profundicola (Verrill and Smith, 1884)
Conus diadema diadema Sowerby, 1910
Conus diadema pemphigus Dall, 1910
Conus floridanus burryae Clench, 1942
Conus floridanus floridanus Gabb, 1868
Conus jaspideus jaspideus Gmelin, 1791
Conus jaspideus pygmaeus Reeve, 1844
Conus jaspideus verrucosus Hwass, 1792
Conus mazei macgintyi Pilsbry, 1955
Conus princeps apogrammatus Dall, 1910
Conus princeps lineolata Valenciennes, 1832
Conus princeps princeps
Conus sponsalis nux Broderip, 1833
Conus sponsalis sponsalis
Conus spurius atlanticus Clench, 1942
Conus spurius aureofasciatus Rehder and Abbott, 1951
Conus spurius spurius Gmelin, 1791
Conus villepinii fosteri Clench and Aguayo, 1942
Conus villepinii villepinii P. Fischer and Bernardi, 1857
Crassostrea gigas gigas (Thunberg, 1793)
Crassostrea gigas kumamoto
Crassostrea gigas laperousii Schrenck
Creseis virgula conica (Eschscholtz, 1829)
Cyathodonta undulata peruviana Olsson, 1961
Cyathodonta undulata undulata Conrad, 1849
Cyclocardia spurca beebei Hertlein, 1958
Cyclocardia spurca spurca Sowerby, 1833
Cyclocardia ventricosa montereyensis (A. E. Smith and M. Gordan, 1948)
Cyclocardia ventricosa redondoensis (J. Q. Burch, 1948)
Cyclocardia ventricosa ventricosa (Gould, 1850)
Cylichna occulta densistriata (Leche, 1878)
Cymatium amictum amictum
Cymatium amictum tremperi Dall, 1907
Cymatium corrugatum amictum (Reeve, 1844)
Cymatium corrugatum corrugatum
Cymatium corrugatum krebsii (Morch, 1877)
Cymatium moritinctum caribbaeum Clench and Turner, 1957
Cymatium moritinctum moritinctum (Reeve, 1844)
Cymatium rubeculum occidentale (Morch, 1877)
Cymatium rubeculum rebeculum (Linnaeus, 1758)
Cymatium testudinarium rehderi A. H. Verrill, 1950
Cymatium testudinarium testudinarium Adams and Reeve, 1848
Cymatoica orientalis hendersoni Rehder, 1939
Cymatoica orientalis orientalis (Dall, 1890)
Cyphoma mcgintyi mcgintyi Pilsbry, 1939
Cyphoma mcgintyi robustior F. M. Bayer, 1941
Cypraea mus bicornis Sowerby, 1870
Cypraea mus tuberculata Gray, 1828
Cypraea spurca spurca Linnaeus, 1758
Cypraea zebra dissimilis Schilder, 1924
Cypraea zebra vallei Juame and Borro, 1946
Cypraea zebra zebra Linnaeus, 1758
Dacrydium elegantulum hendersoni Salas and Gofas, 1997
Delectopecten vitreus abyssorum (M. Sars, 1868)
Delectopecten vitreus vitreus (Gmelin, 1791)
Delonovolva aequalis aequalis Sowerby, 1832
Delonovolva aequalis vidleri (Sowerby, 1881)
Diaphorodoris luteocincta alba
Diaphorodoris luteocincta luteocincta (M. Sars, 1870)
Diplodonta orbella orbella (Gould, 1851)
Diplodonta rotundata eddystonia (Marshall, 1895)
Diplodonta rotundata rotundata
Distorsio constricta constricta Broderip
Distorsio constricta mcgintyi Emerson and Puffer, 1953
Donax roemeri protracta Conrad, 1849
Elimia comalensis comalensis (Pilsbry, 1890)
Elimia comalensis frontinalis (Pilsbry and Ferriss, 1906)
Elimia lecontiana excellens (Goodrich, 1935)
Elimia lecontiana georgiana (Lea, 1862)
Elimia lecontiana infuscata (Lea, 1862)
Elimia lecontiana lecontiana (Lea, 1841)
Elimia lecontiana luteocella (Lea, 1868)
Elimia lecontiana stearnsiana (Call, 1886)
Elimia perstriata clathrata (Lea, 1868)
Elimia perstriata crispa (Lea, 1862)
Elimia perstriata perstriata (Lea, 1852)
Elimia potosiensis crandalli (Pilsbry, 1890)
Elimia potosiensis ozarkensis (Call, 1886)
Elimia potosiensis plebeius (Anthony, 1850)
Elimia potosiensis potosiensis (Lea, 1841)
Enoploteuthis leptura leptura (Leach, 1817)
Enoploteuthis leptura magnoceani Nesis, 1982
Ervilia concentrica concentrica (Holmes, 1860)
Ervilia concentrica rostratula Rehder, 1943
Eulithidium affine affine (C. B. Adams, 1850)
Eulithidium affine cruentum (Robertson, 1958)
Fasciolaria lilium branhamae Rehder and Abbott, 1951
Fasciolaria lilium hunteria (G. Perry, 1811)
Fasciolaria lilium lilium G. Fischer, 1807
Fasciolaria lilium tortugana Hollister, 1957
Fissurella nodosa crusoe Farfante, 1943
Fissurella volcano crucifera Dall, 1919
Fissurella volcano volcano Reeve, 1849
Fusinus alcimus alcimus (Dall, 1889)
Fusinus alcimus rushi (Dall, 1889)
Gaza superba cabana Clench and Aguayo, 1940
Gaza superba superba Clench and Aguayo, 1940
Geukensia demissa demissa (Dillwyn, 1817)
Graneledone verrucosa media (Joubin, 1918)
Graneledone verrucosa verrucosa (Verrill, 1881)
Haliotis corrugata corrugata W. Wood, 1828
Haliotis corrugata oweni Talmadge, 1966
Haliotis cracherodii californiensis Swainson, 1822
Haliotis cracherodii cracherodii Leach, 1814
Haliotis dalli dalli Henderson, 1915
Haliotis dalli roberti McLean, 1970
Haliotis discus discus Reeve, 1846
Haliotis discus hannai Ino, 1953
Haliotis diversicolor diversicolor Reeve, 1846
Haliotis diversicolor squamata Reeve, 1846
Haliotis fulgens fulgens Philippi, 1845
Haliotis fulgens guadalupensis Talmadge, 1964
Haliotis fulgens turveri Bartsch, 1942
Haliotis jacnensis jacnensis Reeve, 1846
Haliotis jacnensis kershawi Owen in Geiger and Owen, 2012
Haliotis kamtschatkana assimilis Dall, 1878
Haliotis kamtschatkana kamtschatkana Jonas, 1845
Haliotis ovina ovina J.H. Gmelin, 1791
Haliotis ovina volcanius Patamakanthin & Eng, 2002
Haliotis pourtalesii aurantium Simone, 1998
Haliotis pourtalesii pourtalesii Dall, 1881
Haliotis rubra conicopora Péron, 1816
Haliotis rubra rubra Leach, 1814
Haliotis rugosa pustulata Reeve, 1846
Haliotis rugosa rodriguensis Owen, 2013
Haliotis rugosa rugosa Lamarck, 1822
Haliotis scalaris emmae Reeve, 1846
Haliotis scalaris scalaris (Leach, 1814)
Haliotis tuberculata coccinea Reeve, 1846
Haliotis tuberculata fernandesi Owen & Afonso in Geiger and Owen, 2012
Haliotis tuberculata tuberculata Linnaeus, 1758
Haliotis virginea crispata A. Gould, 1847
Haliotis virginea huttoni Filhol, 1880
Haliotis virginea morioria Powell, 1938
Haliotis virginea stewartae Jones & Owen, 2004
Haliotis virginea virginea J.H. Gmelin, 1791
Heliacus bisulcatus bisulcatus (d'Orbigny, 1842)
Heliacus bisulcatus mazatlanicus Pilsbry and Lowe, 1932
Heliacus infundibuliformis perrieri (Rochebrune, 1881)
Histioteuthis celetaria celetaria (Voss, 1960)
Histioteuthis celetaria pacifica (Voss, 1962)
Histioteuthis corona berryi Voss, 1969
Histioteuthis corona cerasina Nesis, 1971
Histioteuthis corona corona (Voss and Voss, 1962)
Histioteuthis corona inermis (Taki, 1964)
Humboldtiana hoegiana hoegiana
Humboldtiana hoegiana praesidii Pilsbry, 1939
Hyalina styria minor Dall, 1927
Hyalina styria styria Dall, 1889
Ischnochiton striolatus funiculatus
Ischnochiton striolatus striolatus
Juga acutifilosa acutifilosa (Stearns, 1890)
Juga acutifilosa siskiyouensis (Pilsbry, 1899)
Lacuna crassior crassior (Montagu, 1803)
Lacuna crassior glacialis (Moller, 1842)
Latirus carinifer macgintyi Pilsbry, 1939
Ledella pustulosa marshalli Allen and Hannah, 1989
Ledella pustulosa pustulosa (Jeffreys, 1876)
Lepeta alba alba (Dall, 1869)
Lepeta alba instabilis (Dall, 1869)
Lepidochitona dentiens dentiens (Gould, 1846)
Lepidochitona lowei lowei (Pilsbry, 1918)
Limacina helicina acuta Van Der Spoel, 1967
Limacina helicina helicina Phipps, 1774
Limacina helicina pacifica Dall, 1871
Lioplax pilsbryi choctawhatchensis Vanatta, 1935
Lioplax pilsbryi pilsbryi Walker, 1905
Lithophaga plumula plumula Hanley, 1844
Littorina angulifera aberrans Philippi, 1846
Littorina angulifera angulifera (Lamarck, 1822)
Littorina mespillum mespillum (Muhlfield, 1824)
Littorina mespillum minima (Wood, 1828)
Littorina nebulosa nebulosa (Lamarck, 1822)
Littorina nebulosa tessellata Philippi, 1847
Littorina obtusata aestuarii Jeffreys, 1865
Littorina obtusata arctica Moller, 1842
Littorina obtusata obtusata (Linnaeus, 1758)
Littorina obtusata palliata Say, 1822
Littorina saxatilis groenlandica Menke, 1830
Littorina saxatilis rudis (Maton, 1796)
Littorina saxatilis saxatilis (Olivi, 1792)
Littorina saxatilis tenebrosa (Montagu, 1803)
Littorina scutulata pullata Carpenter, 1864
Littorina scutulata scutulata Gould, 1849
Loligo vulgaris reynaudi D'Orbigny, 1839-1841 in Férussac and D'Orbigny, 1834-1848
Loligo vulgaris vulgaris Lamarck, 1798
Lottia alveus alveus (Conrad, 1831)
Lottia alveus parallela (Dall, 1914)
Lucapina suffusa suffusa (Reeve, 1850)
Lucapina suffusa tobagoensis Perez-farfante
Lucapinella limatula hassleri Farfante, 1943
Lucina nuttalli centrifuga Dall, 1901
Lucina nuttalli nuttalli (Conrad, 1791)
Lunatia fringilla fringilla (Dall, 1881)
Lunatia fringilla perla (Dall, 1889)
Lyonsia hyalina floridana Conrad, 1849
Macoma moesta alaskana
Macoma moesta moesta (Deshayes, 1855)
Mactromeris polynyma alaskana
Mactromeris polynyma polynyma (Stimpson, 1860)
Mangelia acloneta acloneta (Dall, 1889)
Mangelia acloneta cestrota (Dall, 1889)
Mangelia quadrata diminuta C. B. Adams, 1850
Mangelia quadrata eritima Bush, 1885
Mangelia quadrata quadrata (Reeve, 1845)
Margarites costalis baxteri J. H. McLean, 1995
Margarites costalis costalis (Gould, 1841)
Margarites striatus laevior (Jeffreys, 1865)
Margarites striatus striatus (Leach, 1819)
Melanella micrans borealis Bartsch, 1917
Melanella micrans micrans (Carpenter, 1864)
Melongena corona corona (Gmelin, 1791)
Melongena corona johnstonei Clench and Turner, 1956
Mercenaria mercenaria texana (Dall, 1902)
Microgaza rotella inornata Quinn, 1979
Microgaza rotella rotella Dall, 1881
Microvoluta blakeana blakeana (Dall, 1889)
Microvoluta blakeana laevior (Dall, 1889)
Mitra swainsonii antillensis Dall, 1889
Mitra swainsonii swainsonii Broderip, 1836
Mitrella amphisella amphisella (Dall, 1881)
Mitrella amphisella rushi (Dall, 1889)
Mitrella guttata baileyi Bartsch and Rehder, 1939
Mitrella guttata guttata Sowerby, 1832
Modiolus modiolus modiolus (Linnaeus, 1758)
Modiolus modiolus squamosus Beauperthuy, 1967
Murex recurvirostris recurvirostris Broderip, 1833
Murex recurvirostris sallasi Rehder and Abbott, 1951
Murex recurvirostris woodringi Clench and Farfante, 1945
Nassarius mendicus mendicus (Gould, 1849)
Nautilus pompilius pompilius Linnaeus, 1758
Nautilus pompilius suluensis Habe and Okutani, 1988
Neilonela pusio pusio (Philippi, 1844)
Neilonela pusio salicensis (Seguenza, 1877)
Neosimnia avena avena (G. B. Sowerby II, 1832)
Neosimnia avena ruthturnerae Cate, 1973
Neosimnia spelta capitia Cate, 1973
Neosimnia spelta spelta
Neptunea communis borealis (Philippi, 1850)
Neptunea communis clarki Meek, 1923
Neptunea communis communis (Middendorff, 1849)
Neptunea communis elongata Loyning, 1932
Neptunea insularis convexa Golikov, 1963
Neptunea insularis insularis (Dall, 1895)
Neptunea lyrata decemcostata (Say, 1826)
Neptunea lyrata lyrata (Gmelin, 1791)
Neptunea lyrata turnerae Clarke, 1956
Neptunea vinosa umbonata (Dall, 1919)
Neptunea vinosa vinosa (Dall, 1919)
Octopus fangsiao etchuanus (Sasaki, 1929)
Octopus fangsiao fangsiao D'Orbigny, 1839-1841 in Férussac and D'Orbigny, 1834-1848
Octopus minor minor (Sasaki, 1920)
Octopus minor pardalis (Sasaki, 1929)
Octopus minor typicus (Sasaki, 1929)
Odostomia aepynota aepynota Dall and Bartsch, 1909
Odostomia aepynota planicosta Baker, Hanna, and Strong, 1928
Odostomia conoidea acutidens Dall, 1844
Odostomia conoidea conoidea (Brocchi, 1814)
Odostomia satura gouldi Carpenter, 1865
Odostomia satura satura Carpenter, 1865
Oenopota tenuiliratus cymatus (Dall, 1919)
Oenopota tenuiliratus tenuiliratus
Oliva bifasciata sunderlandi Petuch, 1987
Oliva reticularis nivosa Marrat, 1870
Oliva reticularis reticularis Lamarck, 1810
Opalia pumilio morchiana (Dall, 1889)
Opalia pumilio pumilio (Morch, 1874)
Orobophana baldwini baldwini Ancey, 1904
Orobophana baldwini lihueensis Neal, 1934
Orobophana stokesii praemagma Neal, 1934
Orobophana stokesii stokesii Neal, 1934
Orobophana uberta beta Pilsbry and Cooke, 1908
Orobophana uberta borealis Neal, 1934
Orobophana uberta bryani Neal, 1934
Orobophana uberta exanima Neal, 1934
Orobophana uberta hibrida Neal, 1934
Orobophana uberta lymaniana Pilsbry and Cooke, 1908
Orobophana uberta magdalenae Ancey, 1890
Orobophana uberta makuaensis Neal, 1934
Orobophana uberta nuuanuensis Pilsbry and Cooke, 1908
Orobophana uberta percitrea Neal, 1934
Orobophana uberta subtenuis Neal, 1934
Orobophana uberta uberta Gould, 1847
Orobophana uberta wilderi Neal, 1934
Orthalicus reses nesodryas Pilsbry, 1946
Orthalicus reses reses (Say, 1830)
Ovatella myosotis myosotis (Draparnaud, 1801)
Ovatella myosotis ringens (Turton, 1819)
Oxyloma haydeni haydeni (W. G. Binney, 1858)
Oxyloma haydeni kanabensis
Patera clarki clarki (I. Lea, 1858)
Patera clarki nantahala Clench, 1933
Petaloconchus erectus erectus (Dall, 1888)
Petaloconchus erectus mcgintyi Olsson and Harbisson, 1953
Petaloconchus varians floridana Olsson and Harbison, 1953
Petaloconchus varians nigricans (Dall, 1884)
Petaloconchus varians varians (d'Orbigny, 1841)
Physella gyrina aurea (Lea, 1838)
Physella gyrina gyrina (Say, 1821)
Planorbella trivolvis intertextum (Sowerby, 1878)
Planorbella trivolvis trivolvis (Say, 1817)
Planorbula armigera armigera (Say, 1821)
Planorbula armigera wheatleyi (Lea, 1858)
Pleuropoma kauaiensis kauaiensis Pilsbry and Cooke, 1908
Pleuropoma kauaiensis orientalis Neal, 1934
Pleuropoma laciniosa alpha Pilsbry and Cooke, 1908
Pleuropoma laciniosa bronniana Philippi, 1847
Pleuropoma laciniosa canyonensis Neal, 1934
Pleuropoma laciniosa delta Pilsbry and Cooke, 1908
Pleuropoma laciniosa ferruginea Neal, 1934
Pleuropoma laciniosa gamma Pilsbry and Cooke, 1908
Pleuropoma laciniosa globuloidea Neal, 1934
Pleuropoma laciniosa honokowaiensis Neal, 1934
Pleuropoma laciniosa kaaensis Neal, 1934
Pleuropoma laciniosa kickieensis Neal, 1934
Pleuropoma laciniosa kohoolawensis Neal, 1934
Pleuropoma laciniosa konaensis Neal, 1934
Pleuropoma laciniosa kulaensis Neal, 1934
Pleuropoma laciniosa laciniosa Mighels, 1845
Pleuropoma laciniosa laula Neal, 1934
Pleuropoma laciniosa matutina Neal, 1934
Pleuropoma laciniosa molokaiensis Neal, 1934
Pleuropoma laciniosa moomomiensis Neal, 1934
Pleuropoma laciniosa perparva Neal, 1934
Pleuropoma laciniosa piliformis Neal, 1934
Pleuropoma laciniosa praeparva Neal, 1934
Pleuropoma laciniosa pusilla Neal, 1934
Pleuropoma laciniosa sandwichiensis Souleyet, 1852
Pleuropoma laciniosa signata Neal, 1934
Pleuropoma laciniosa spaldingi Neal, 1934
Pleuropoma oahuensis gemina Neal, 1934
Pleuropoma oahuensis oahuensis Pilsbry and Cooke, 1908
Pleuropoma rotelloidea knudseni Pilsbry and Cooke, 1908
Pleuropoma rotelloidea makalii Neal, 1934
Pleuropoma rotelloidea mauiensis Neal, 1934
Pleuropoma rotelloidea rotelloidea Nighels, 1845
Pleuropoma rotelloidea sola Neal, 1934
Pleurotomella tornata malmii Dall, 1889
Pleurotomella tornata tornata (Verrill, 1884)
Pneumoderma violaceum pacificum Dall, 1871
Pneumoderma violaceum violaceum (d'Orbigny, 1836)
Polygyra plana bahamensis Vanatta, 1919
Polygyra plana plana
Proterato gemma pygmaea Schilder, 1933
Prunum virginianum hartleyanum (Schwengel, 1941)
Prunum virginianum virginianum Conrad, 1868
Psammotreta cognata clarki (Durham, 1950)
Psammotreta cognata cognata (Pilsbry and Vanatta, 1902)
Pseudodon vondembuschianus tapienica (Konopleva et al., 2023)
Pseudodon vondembuschianus thasaenica (Konopleva et al., 2023)
Pseudodon vondembuschianus vondembuschianus (Lea, 1840)
Pseudoliomesus ooides canaliculatus (Dall, 1874)
Pseudoliomesus ooides ooides (Middendorff, 1848)
Pterygioteuthis giardi giardi Fischer, 1896
Pterygioteuthis giardi hoylei (Pfeffer, 1912)
Retusa obtusa lajonkaireana (Basterot, 1825)
Retusa obtusa obtusa (Montagu, 1803)
Retusa obtusa turrita Moler, 1842
Retusa umbilicata nitidula (Montagu, 1803)
Retusa umbilicata umbilicata (Montagu, 1803)
Rictaxis punctocaelatus coronadoensis Stearns, 1898
Rictaxis punctocaelatus punctocaelatus (Carpenter, 1864)
Rictaxis punctocaelatus vancouverensis Oldroyd, 1927
Rissoa lilacina lilacina Recluz, 1843
Rissoa lilacina rufilabrum Alder, 1844
Rissoa membranacea cornea (Loven, 1846)
Rissoa membranacea gracilis (Forbes and Hanley, 1850)
Rissoa membranacea membranacea
Rissoa membranacea octona (Nilsson, 1822)
Rossia pacifica diegensis Berry, 1912
Rossia pacifica pacifica Berry, 1911
Scaphella dubia dubia (Broderip, 1827)
Scaphella dubia ethelae (Pilsbry and Olsson, 1953)
Scaphella dubia georgiana (Clench, 1946)
Scaphella dubia neptunia Clench and Aguayo, 1940
Scaphella dubia schmitti (Bartsch, 1931)
Scaphella gouldiana atlantis Clench, 1946
Scaphella gouldiana bermudezi (Clench and Aguayo, 1940)
Scaphella gouldiana cuba Clench, 1940
Scaphella gouldiana florida (Clench and Aguayo, 1940)
Scaphella gouldiana gouldiana (Dall, 1887)
Scaphella gouldiana marionae Pilsbry and Olsson, 1953
Scaphella gouldiana robusta (Dall, 1889)
Scaphella junonia butleri Clench, 1953
Scaphella junonia johnstoneae Clench, 1953
Scaphella junonia junonia (Lamarck, 1804)
Seguenzia monocingulata monocingulata Sequenza, 1876
Seguenzia monocingulata nitidi Verrill, 1894
Simnia aequalis aequalis Sowerby, 1832
Simnia aequalis vidleri (Sowerby, 1881)
Spisula solidissima similis (Say, 1822)
Spisula solidissima solidissima (Dillwyn, 1817)
Splendrillia moseri brunnescens Rehder, 1943
Splendrillia moseri moseri (Dall, 1889)
Sterkia eyriesii eyriesii (Drouet, 1859)
Sterkia eyriesii rhoadsi (Pilsbry, 1899)
Stramonita haemastoma canaliculata (J. E. Gray, 1839)
Stramonita haemastoma floridana (Conrad, 1837)
Stramonita haemastoma haemastoma (Linnaeus, 1758)
Taranis cirrata cirrata (Brugnone, 1862)
Taranis cirrata tornatus Verrill, 1884
Tarebia granifera granifera (Lamarck, 1822)
Tarebia granifera mauiensis Brot, 1877
Taringa aivica aivica Marcus and Marcus, 1967
Taringa aivica timia Ev. Marcus and Er. Marcus, 1967
Taringa telopia disa Ev. Marcus and Er. Marcus, 1967
Taringa telopia telopia Marcus, 1955
Teinostoma amplectans americanum Pilsbry and Olsson, 1945
Teinostoma amplectans amplectans Carpenter, 1857
Teinostoma supravallatum invallatum (Carpenter, 1864)
Teinostoma supravallatum supravallatum (Carpenter, 1864)
Tellina alternata alternata Sowerby, 1867
Tellina alternata tayloriana Sowerby, 1867
Tellina bodegensis bodegensis Hinds, 1845
Tellina bodegensis santarosae Dall, 1900
Terebra protexta limatula Dall, 1889
Terebra protexta protexta (Conrad, 1845)
Thyasira equalis alba Verrill and Bush, 1898
Thyasira equalis equalis A. E. Verrill and Bush, 1898
Thyasira flexuosa flexuosa (Montagu, 1803)
Thyasira flexuosa sarsii Philippi, 1845
Todarodes pacificus pacificus (Steenstrup, 1880)
Todarodes pacificus pusillus Dunning, 1988
Tremoctopus violaceus gracilis Souleyet, 1852
Tremoctopus violaceus violaceus Chiaie, 1830 in 1823-1831
Tricolia affinis affinis (C. B. Adams, 1850)
Tricolia affinis pterocladia Robertson, 1958
Tritonia bayeri bayeri Ev. Marcus and Er. Marcus, 1967
Tritonia bayeri misa Ev. Marcus and Er. Marcus, 1967
Trivia pediculus pediculus (Linnaeus, 1758)
Trivia pediculus pullata Sowerby, 1870
Trophon cerrosensis catalinensis Oldroyd, 1927
Trophon cerrosensis cerrosensis Dall, 1891
Truncatella pulchella bilabiata Pfeiffer, 1839
Truncatella pulchella pulchella Pfeiffer, 1839
Truncatella scalaris clathrus Lowe, 1832
Truncatella scalaris piratica Clench and Turner, 1948
Truncatella scalaris scalaris (Michaud, 1830)
Turbo castanea crenulatus Gmelin, 1791
Turbonilla bushiana abyssicola Bartsch, 1909
Turbonilla bushiana bushiana Gordon, 1938
Turbonilla elegantula branfordensis Bartsch, 1909
Turbonilla elegantula elegantula A. E. Verrill, 1882
Turbonilla gilli delmontensis Dall and Bartsch, 1907
Turbonilla gilli gilli Dall and Bartsch, 1907
Turbonilla incisa constricta Bush, 1899
Turbonilla incisa incisa Bush, 1899
Velodona togata capensis Robson, 1924
Velodona togata togata Chun, 1915
Venus gallina gallina
Venus gallina striatula
Volva volva striata (Lamarck, 1810)
Volva volva volva
Volvarina avena avena (Kiener, 1834)
Volvarina avena beyerleana (Bernardi, 1883)
Volvarina taeniolata rosa (Schwengel, 1938)
Volvarina taeniolata taeniolata Morch, 1860
Референце
^ а б в г Chapman, A.D. (2009). Numbers of Living Species in Australia and the World, 2nd edition . Australian Biological Resources Study, Canberra. Приступљено 12 January. 2010. ISBN 978-0-642-56860-1 . (printed). ISBN 978-0-642-56861-8 . (online).
^ Little, L.; Fowler, H.W.; Coulson, J.; Onions, C.T., ур. (1964). „Malacology”. Shorter Oxford English Dictionary . Oxford University press.
^ Chisholm, Hugh, ур. (1911). „Molluscoida ”. Encyclopædia Britannica (на језику: енглески). 18 (11 изд.). Cambridge University Press. стр. 675.
^ Hogan, C. Michael (2010). „Calcium” . Ур.: Jorgensen, A.; Cleveland, C. Encyclopedia of Earth . National Council for Science and the Environment.
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^ Hayward, PJ (1996). Handbook of the Marine Fauna of North-West Europe . Oxford University Press. стр. 484—628. ISBN 978-0-19-854055-7 .
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^ Black, Richard (26. 4. 2008). „Colossal squid out of the freezer” . BBC News. Приступљено 1. 10. 2008 .
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Литература
Little, L.; Fowler, H.W.; Coulson, J.; Onions, C.T., ур. (1964). „Malacology”. Shorter Oxford English Dictionary . Oxford University press.
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Матоничкин, И, Хабдија, И, Примц - Хабдија, Б: Бескраљешњаци - биологија нижих авертебрата, Школска књига , Загреб, 1998.
Marcon, E, Mongini, M: Све животиње света, ИРО Вук Караџић , Београд, 1986.
Петров, И: Сакупљање, препаровање и чување инсеката у збиркама, Биолошки факултет, Београд, 2000.
Радовић, И, Петров, Бригита: Разноврсност живота 1 - структура и функција, Биолошки факултет Београд и Stylos Нови Сад, Београд, 2001.
Ruppert, E. E.; Fox, R. S.; Barnes, R. D. (2004). Invertebrate Zoology (7 изд.). Brooks / Cole. ISBN 978-0-03-025982-1 .
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