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Semisulcospira
	Shell of Semisulcospira pleuroceroides (lectotype at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Superfamily:	Cerithioidea
Family:	Semisulcospiridae
Genus:	Semisulcospira; Boettger, 1886
Type species
	Melania libertina; A. Gould, 1859
Synonyms
	Biwamelania Matsuoka, 1985; Brotia (Senckenbergia) Yen, 1939 (junior synonym); Hua (Namrutua) Abbott, 1948; Melania (Semisulcospira) O. Boettger, 1886 (original rank); Namrutua Abbott, 1948 (junior synonym); Semisulcospira (Biwamelania) Matsuoka, 1985 · alternate representation; Semisulcospira (Semisulcospira) O. Boettger, 1886 · alternate representation; Senckenbergia Yen, 1939 (junior synonym);

Semisulcospira is a genus of freshwater snails with an operculum, an aquatic gastropod molluscs in the family Semisulcospiridae.^[2] ^[3]

Species in the genus Semisulcospira are viviparous.^[4]

Species

Species within the genus Semisulcospira include:

Semisulcospira arenicola Watanabe & Nishino, 1995
Semisulcospira calculus (Reeve, 1859)
Semisulcospira coreana (Martens, 1886)
Semisulcospira crassicosta Y.-Y. Liu, Y.-X. Wang & Y.-H. Duan, 1994
Semisulcospira davisi Sawada & Nakano, 2021
Semisulcospira decipiens (Westerlund, 1883)^[5]
Semisulcospira diminuta Gredler, 1887^[6]
Semisulcospira dilatata Watanabe & Nishino, 1995
† Semisulcospira fiscina (Yokoyama, 1932)
Semisulcospira fluvialis Watanabe & Nishino, 1995
Semisulcospira forticosta (Martens, 1886)^[4]^[7]
Semisulcospira fuscata Watanabe & Nishino, 1995
† Semisulcospira gamoensis Matsuoka & Miura, 2019
Semisulcospira gottschei (Martens, 1886)^[4]
Semisulcospira gredleri (Boettger, 1886)^[7]
Semisulcospira habei Davis, 1969^[5]
- Semisulcospira habei yamaguchi Davis, 1969^[5]
Semisulcospira hongkongensis Brot, 1874^[6]
† Semisulcospira kokubuensis Matsuoka & Miura, 2018
Semisulcospira kurodai Kajiyama & Habe, 1961^[4]^[5]
Semisulcospira libertina (Gould, 1859)^[4]^[5]
Semisulcospira marica Y.-Y. Liu, Y.-X. Wang & W.-Z. Zhang, 1994
Semisulcospira morii Watanabe, 1984^[6]
Semisulcospira multigranosa (Boettger, 1886)^[5]
† Semisulcospira nagiensis (Matsuoka & Taguchi, 2013)
† Semisulcospira nakamurai Matsuoka & Miura, 2018
Semisulcospira nakasekoae Kuroda, 1929^[5]
Semisulcospira ningpoensis (I. Lea, 1857)
Semisulcospira niponica (Smith, 1876)^[5]
† Semisulcospira nojirina Matsuoka & Miura, 2019
Semisulcospira ourense Watanabe & Nishino, 1984^[6]
Semisulcospira pacificans (Heude, 1888)^[6]
Semisulcospira pleuroceroides (Bavay & Dautzenberg, 1910)
† Semisulcospira praemultigranosa Matsuoka, 1985
† Semisulcospira pseudomultigranosa Matsuoka & Miura, 2018
† Semisulcospira pusilla Matsuoka & Miura, 2018
Semisulcospira reiniana (Brot, 1876)^[5]
Semisulcospira reticulata Kajiyama & Habe, 1961^[5]
† Semisulcospira reticulataformis Matsuoka & Miura, 2019
Semisulcospira rugosa Watanabe & Nishino, 1995
Semisulcospira shiraishiensis Watanabe & Nishino, 1995
† Semisulcospira spinulifera Matsuoka & Miura, 2018
† Semisulcospira tagaensis Matsuoka & Miura, 2019
Semisulcospira takeshimensis Watanabe & Nishino, 1995
Semisulcospira tegulata (Martens, 1894)^[4]
Semisulcospira trachea (Westerlund, 1883)

"Semisulcospira libertina species complex" consist of four species: Semisulcospira libertina, Semisulcospira reiniana, Semisulcospira kurodai and Semisulcospira trachea.^[8]

Synonyms

Semisulcospira dolichostoma Annandale, 1924: synonym of Koreoleptoxis dolichostoma (Annandale, 1924) (original combination)
Semisulcospira inflata Tchang, 1949: synonym of Hua textrix (Heude, 1889) (junior synonym)
Semisulcospira paludiformis Yen, 1939: synonym of Sulcospira paludiformis (Yen, 1939) (original combination)
Semisulcospira paucicincta (E. von Martens, 1894): synonym of Semisulcospira calculus (Reeve, 1859) (junior synonym)
† Semisulcospira recticancellata Kobayashi & Suzuki, 1939: synonym of † Pachychilus recticancellata (Kobayashi & Suzuki, 1939)
Semisulcospira trivolvis Yen, 1939: synonym of Sulcospira paludiformis (Yen, 1939) (possible synonym)

Ecology

Semisulcospira snails predate also on eggs of bluegill Lepomis macrochirus.^[9]

Uses

A bowl of Korean take-out *olgaengi* (melanian snail) *juk*.

Semisulcospira snails are used in some forms of cuisine. In Korean cuisine, they are used to flavor a type of congee (juk), called olgaengi juk.

References

^ Boettger (1886). Jahrb. dtsch. malak. Ges. 13: 4.
^ MolluscaBase eds. (2022). MolluscaBase. Semisulcospira O. Boettger, 1886. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=741120 on 2022-05-23
^ Lee, T., Hong, H. C., Kim, J. J., & Ó Foighil, D. (2007). Phylogenetic and taxonomic incongruence involving nuclear and mitochondrial markers in Korean populations of the freshwater snail genus Semisulcospira (Cerithioidea: Pleuroceridae). Molecular Phylogenetics and Evolution, 43(2), 386–397. https://doi.org/10.1016/j.ympev.2007.02.018
^ ^a ^b ^c ^d ^e ^f Strong E. & Köhler F. (2009). "Morphological and molecular analysis of "Melania" jacqueti Dautzenberg & Fischer, 1906: from anonymous orphan to critical basal offshoot of the Semisulcospiridae (Gastropoda: Cerithioidea)". Zoologica Scripta 38(5): 483-502. doi:10.1111/j.1463-6409.2008.00385.x
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j Davis G. M. (1969). "A taxonomic study of some species of Semisulcospira in Japan (Mesogastropoda: Pleuroceridae)". Malacologia 7: 211-294.
^ ^a ^b ^c ^d ^e The IUCN Red List of Threatened Species. Version 2015-3. <www.iucnredlist.org>. Downloaded on 11 November 2015.
^ ^a ^b Prozorova L. A. & Rasshepkina A. V. (2005). "On the reproductive anatomy of Semisulcospira (Cerithioidea: Pleuroceridae: Semisulcospirinae)". The Bulletin of the Russian Far East Malacological Society 9: 123–126. PDF.
^ (in Japanese) Matsuoka K. & .野尻湖貝類グループ (1982) (Fossil Mollusc Research Group for Noiiri-ko Excavation). "野尻湖層産カワニナ胎児殼化石について : 現生カワニナとの比較研究 "On the fossil embryonic shell of Semisulcospira libertina (GOULD) (Mesogastropoda: Pleuroceridae) from the latest Pleistocene Nojiri-ko Formation, Nagano Prefecture, Central Japan: A comparative study of recent and fossil Semisulcospira". 地球科學 Chikyu kagaku [Earth science] 36(4), 175-184. CiNii.
^ (in Japanese) Nakao H., Kawabata T., Fujita K., Nakai K. & Sawada H. (2006). "Predation on bluegill (Lepomis macrochirus) broods by native snails. Japanese Journal of Ichthyology 53(2): 167–173. PDF.

Yen, T.-C. (1939). Die chinesischen Land- und Süßwasser-Gastropoden des Natur-Museums Senckenberg. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft. 444: 1–233, pl. 1–16. Frankfurt am Main.
Oniwa K. & Kimura M. (1986). "Genetic variability and relationships in six snail species of the genus Semisulcospira". The Japanese journal of genetics 61(5): 503–514. CiNii. doi:10.1266/jjg.61.503
Wenz, W. (1938-1944). Gastropoda. Teil 1: Allgemeiner Teil und Prosobranchia. xii + 1639 pp. In: Schindewolf, O.H. (Ed.) Handbuch der Paläozoologie, Band 6. Bornträger, Berlin. Lief. 1, 1-240