Lebachacanthus

Lebachacanthus
Temporal range: Early Permian
Specimen in Urzeitmeer-Museum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: †Xenacanthida
Family: †Diplodoselachidae
Soler-Gijon, 1997
Genus: †Lebachacanthus
Soler-Gijon, 1997
Type species
Lebachacanthus senckenbergianus
(Fritsch, 1889)
Other species
  • L. colloseus Heidtke, 2007
  • L. pollichiae Heidtke, 2007
Synonyms

Lebachacanthus is a genus of extinct xenacanth cartilaginous fish known from the late Carboniferous-Early Permian of Europe.[1] Well-preserved specimens, originally identified as Orthacanthus, are known from Meisenheim Formation in Germany.[2] During the late Paleozoic, xenacanths were the apex predators of freshwater ecosystems, preying on small amphibians.[3]

Description

Life restoration

Like most other xenacanthids, this genus possessed an array of spines arising from the dorsal fins.[4] It exceeded 3 metres (9.8 ft) and even could reach 3.5 metres (11 ft).[4][5] The genus is often confused with the similar genus Orthacanthus; the two genera belong to entirely separate families.[6] The teeth of this fish were multi-cusped, with the central cusp flanked by two sharp accessory "tines" on which its prey would be impaled and trapped, in preparation for being swallowed whole.[7] It had an abundance of pectoral fins, two next to the head, two in the middle, one near the end, and one under the caudal fin.

Paleobiology

For broader coverage of this topic, see Paleobiology.

Lebachacanthus patrolled both fresh and marine waters, possibly preying on larvae of the temnospondyli and acanthodians.[3] The genus displays sexually dimorphic features; females had longer fin spines than males. Histological and biometric analyses of the spines of specimens provides information on the development and age at death of the fish and the environmental conditions in which they lived.[4]

References

  1. ^ Ivanov, Alexander (30 August 2005). "Early Permian chondrichthyans of the Middle and South Urals". Revista Brasileira de Paleontologia. 8 (2): 127–138. doi:10.4072/rbp.2005.2.05. ISSN 1519-7530.
  2. ^ Luccisano, Vincent; Pradel, Alan; Amiot, Romain; Pouillon, Jean-Marc; Kindlimann, René; Steyer, Jean-Sébastien; Cuny, Gilles (2022). Cavin, Lionel (ed.). "Systematics, ontogeny and palaeobiogeography of the genus Orthacanthus (Diplodoselachidae, Xenacanthiformes) from the lower Permian of France". Papers in Palaeontology. 8 (6). Bibcode:2022PPal....8E1470L. doi:10.1002/spp2.1470. ISSN 2056-2799.
  3. ^ a b Kriwet, J.; Witzmann, F.; Klug, S.; Heidtke, U. H. (2007). "First direct evidence of a vertebrate three-level trophic chain in the fossil record". Proceedings. Biological Sciences. 275 (1631): 181–186. doi:10.1098/rspb.2007.1170. PMC 2596183. PMID 17971323.
  4. ^ a b c Beck, Kimberly; Soler-Gijon, Rodrigo; Carlucci, Jesse; Willis, Raymond (2014). "Morphology and histology of dorsal spines of the xenacanthid shark Orthacanthus platypternus from the Lower Permian of Texas, USA: Palaeobiological and palaeoenvironmental implications" (PDF). Acta Palaeontologica Polonica. doi:10.4202/app.00126.2014. S2CID 53979047.
  5. ^ Soler-Gijón, R. (2004). "Development and growth in xenacanth sharks: new data from Upper Carboniferous of Bohemia". G. Arratia, M.V.H. Wilson, and R. Cloutier (Eds.), Recent Advances in the Origin and Early Radiation of Vertebrates: 533–562.
  6. ^ Soler-Gijón, Rodrigo (December 2000). "Phylogenetic relationships of Lebachacanthidae [Soler-Gijón 1997] (Xenacanthiformes; Elasmobranchii)". PalZ. 74 (3): 363–377. Bibcode:2000PalZ...74..363S. doi:10.1007/BF02988107.
  7. ^ Hotton, Nicholas (1952). "Jaws and Teeth of American Xenacanth Sharks". Journal of Paleontology. 26 (3): 489–500. JSTOR 1299956.

Further reading


Stub icon

This article about a prehistoric cartilaginous fish is a stub. You can help Wikipedia by expanding it.

Stub icon

This article related to a Permian animal is a stub. You can help Wikipedia by expanding it.

Read other articles:

BMW Seri 3 (E46)

BMW Seri 3 (E46)Pra-pembaharuan BMW Seri 3 (E46) sedanInformasiProdusenBMWMasa produksiMei 1998–2006Model untuk tahun1999 – 2006PerakitanLeipzig, JermanMunich, JermanRegensburg, JermanToluca, Meksiko (BMW de México)Rosslyn, Afrika Selatan[1]Kota 6 Oktober, Mesir[1]Kaliningrad, Rusia (Avtotor)[2]Shenyang, China (Brilliance)[3]Jakarta, Indonesia (Gaya Motor) (1999–2004)PerancangErik Goplen (1995)Bodi & rangkaKelasMobil kompak eksekutifBentuk kerangka...

 

Lamban

LambanLamban di Piring Kori.JenisMakanan penutupTempat asalMalaysiaDaerahLabuan, SabahDibuat olehBrunei Melayu[1]Bahan utamaBeras ketanSunting kotak info • L • BBantuan penggunaan templat ini Lamban adalah makanan penutup tradisional untuk Orang Melayu Brunei di Labuan dan di negara bagian Sabah dan di Malaysia Timur.[2] Rasa dari Lamban hampir seperti ketupat Melayu atau kue beras Tiongkok.[2] Lihat pula Kuih kelupis Referensi ^ Ramadhan Bazaar. Labuan T...

 

List of statutory instruments of Scotland, 2007

Part of a series onBritish law Acts of Parliament of the United Kingdom Year      1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 ...

Kemudi guling

Pesawat berguling dengan kemudi gulingnya ① Ujung sayap (Wing tip), ② Sisi depan sayap (Leading edge), ③ Bilah penyeimbang (trim tab), ④ Kemudi guling (Aileron). Aileron atau kemudi guling (bahasa Perancis untuk sayap kecil atau sirip) adalah bidang kendali penerbangan berengsel yang biasanya membentuk bagian tepi belakang setiap sayap pesawat bersayap tetap. Kemudi guling digunakan berpasangan untuk mengendalikan pesawat dalam keadaan berguling (atau pergerakan di sekitar sumbu longi...

 

Стробил

Эта статья — о части растения. О форме тела животных см. Стробила. У Хвоща лесного, как и у большинства других хвощевидных, стробилы возникают на концах стеблей Стро́билы (лат. strobilus от др.-греч. στρόβῑλος — кубарь, сосновая или еловая шишка) — органы раз�...

 

1969 European Athletics Championships – Women's 4 × 100 metres relay

1969 EuropeanAthletics ChampionshipsTrack events100 mmenwomen200 mmenwomen400 mmenwomen800 mmenwomen1500 mmenwomen5000 mmen10,000 mmen100 m hurdleswomen110 m hurdlesmen400 m hurdlesmen3000 msteeplechasemen4×100 m relaymenwomen4×400 m relaymenwomenRoad eventsMarathonmen20 km walkmen50 km walkmenField eventsHigh jumpmenwomenPole vaultmenLong jumpmenwomenTriple jumpmenShot putmenwomenDiscus throwmenwomenHammer throwmenJavelin throwmenwomenCombined eventsPentathlonwomenDecathlonmenvte The wome...

Championnat du monde des rallyes 2021

Championnat du monde des rallyes 2021 Généralités Sport Rallye automobile Création 1973 Organisateur(s) FIA Édition 49e Nombre de manches 12 rallyes Palmarès Champion pilote Sébastien Ogier (8) Champion copilote Julien Ingrassia (8) Champion constructeur Toyota Gazoo Racing Navigation 2020 2022 modifier Le championnat du monde des rallyes 2021 est la 49e édition du championnat du monde des rallyes, une compétition automobile reconnue par la Fédération internationale de l'auto...

 

哈萨克斯坦总统

此条目序言章节没有充分总结全文内容要点。 (2019年3月21日)请考虑扩充序言，清晰概述条目所有重點。请在条目的讨论页讨论此问题。 哈萨克斯坦總統哈薩克總統旗現任Қасым-Жомарт Кемелұлы Тоқаев卡瑟姆若马尔特·托卡耶夫自2019年3月20日在任任期7年首任努尔苏丹·纳扎尔巴耶夫设立1990年4月24日（哈薩克蘇維埃社會主義共和國總統） 哈萨克斯坦 哈萨克斯坦政府...

 

Dachigam National Park

National park in Jammu and Kashmir Dachigam National Park, SrinagarIUCN category II (national park)Sarband water body with Dachigam National Park in Srinagar district, J&K, India.Show map of Jammu and KashmirShow map of IndiaLocationDachigam, Srinagar district, Jammu and Kashmir,  IndiaNearest citySrinagarCoordinates34°8′14″N 75°2′16″E / 34.13722°N 75.03778°E / 34.13722; 75.03778Area141 km2 (54 sq mi)Max. elevation4267 m (14,000...

Філософія

Частина серії проФілософіяLeft to right: Plato, Kant, Nietzsche, Buddha, Confucius, AverroesПлатонКантНіцшеБуддаКонфуційАверроес Філософи Епістемологи Естетики Етики Логіки Метафізики Соціально-політичні філософи Традиції Аналітична Арістотелівська Африканська Близькосхідна іранська Буддій�...

 

Speaker of the House of Representatives (Indonesia)

Speaker of the House of Representatives of IndonesiaCoat of arms of the People's Representative Council (House) of IndonesiaIncumbentPuan Maharanisince 1 October 2019Term length5 yearsConstituting instrumentConstitution of IndonesiaFormation22 February 1950First holderSartonoSalaryRp 5,040,000 per month The Speaker of the House of Representatives, (Indonesian: Ketua Dewan Perwakilan Rakyat, lit. 'Chairman of the People's Representative Council'; Ketua DPR) is the presiding...

 

Mandolin

Musical instrument in the lute family This article is about the musical instrument. For the kitchen tool, see Mandoline. MandolinArchtop mandolinString instrumentClassification String instrument Plucked string instrument Hornbostel–Sachs classification321.321-6 (Neapolitan) or 321.322-6 (flat-backed)(Chordophone with permanently attached resonator and neck, sounded by a plectrum)DevelopedMid-18th century from the mandolinoTimbrevaries with the type: spruce carved-top, bright flatback, warm ...

Trullo

Disambiguazione – Se stai cercando altri significati, vedi Trullo (disambigua). Disambiguazione – Trulli rimanda qui. Se stai cercando l'ex pilota automobilistico, vedi Jarno Trulli. Serie di trulli, tipici del paesaggio pugliese. Il trullo (greco antico τροῦλλος trûllos, cupola) è un tipo di costruzione conica in pietra a secco tradizionale della Puglia centro-meridionale. I trulli venivano generalmente edificati come ricoveri temporanei nelle campagne o abitazioni pe...

 

Balocco

Balocco komune di Italia Tempat Negara berdaulatItaliaDaerah di ItaliaPiemonteProvinsi di ItaliaProvinsi Vercelli NegaraItalia PendudukTotal218  (2023 )GeografiLuas wilayah16,81 km² [convert: unit tak dikenal]Ketinggian166 m Berbatasan denganFormigliana San Giacomo Vercellese Villarboit Buronzo Carisio Informasi tambahanKode pos13040 Zona waktuUTC+1 UTC+2 Kode telepon0161 ID ISTAT002009 Kode kadaster ItaliaA601 Lain-lainSitus webLaman resmi Balocco adalah komune yang terletak di di...

 

フォートワース

この項目では、アメリカ合衆国テキサス州の都市について説明しています。銀河鉄道物語に登場する車両については「銀河鉄道物語の非戦闘列車#フォートワース(809)」をご覧ください。 アメリカ合衆国 > テキサス州 > フォートワース フォートワース市 City of Fort Worth 愛称 : Cowtown 標語 : Where the West Begins 位置 タラント郡内の位置 位置 フォートワース ...

2004 African Championships in Athletics – Men's 1500 metres

2004 African Championships in AthleticsTrack events100 mmenwomen200 mmenwomen400 mmenwomen800 mmenwomen1500 mmenwomen5000 mmenwomen10,000 mmenwomen100 m hurdleswomen110 m hurdlesmen400 m hurdlesmenwomen3000 msteeplechasemenwomen4×100 m relaymenwomen4×400 m relaymenwomenRoad events20 km walkmenwomenField eventsHigh jumpmenwomenPole vaultmenwomenLong jumpmenwomenTriple jumpmenwomenShot putmenwomenDiscus throwmenwomenHammer throwmenwomenJavelin throwmenwomenCombined eventsHeptathlonwomenDecat...

 

Asymptote

Limit of the tangent line at a point that tends to infinity For other uses, see Asymptote (disambiguation). Asymptotic redirects here. Not to be confused with Asymptomatic. The graph of a function with a horizontal (y = 0), vertical (x = 0), and oblique asymptote (purple line, given by y = 2x). A curve intersecting an asymptote infinitely many times. In analytic geometry, an asymptote (/ˈæsɪmptoʊt/) of a curve is a line such that the distance between the curv...

 

HMS Royal Sovereign (1891)

Royal Sovereign-class battleship For other ships with the same name, see HMS Royal Sovereign. HMS Royal Sovereign at anchor, about 1897 History United Kingdom NameRoyal Sovereign OrderedNaval Defence Act 1889 BuilderPortsmouth Dockyard Laid down30 September 1889 Launched26 February 1891 Sponsored byQueen Victoria CompletedMay 1892 Commissioned31 May 1892 Decommissioned9 September 1909 FateSold for scrap, 7 October 1913 General characteristics (as built) Class and typeRoyal Sovereign-clas...

Albert Baillie

British clergyman For those of a similar name, see Albert Bailey (disambiguation). Albert Victor Baillie photographed by Walter Stoneman in 1932 Christianity portal Albert Victor Baillie KCVO, DD (5 August 1864 – 3 November 1955) was a Church of England clergyman during the first half of the 20th century, ending his career as Dean of Windsor. He was the Registrar of the Order of the Garter (1917–1939).[1] Born on 5 August 1864[2] at Karlsruhe in Baden-Württemberg,...

 

Dave Swarbrick

English folk-rock musician (1941–2016) This article is about the folk musician. For the rugby player, see David Swarbrick. Dave SwarbrickSwarbrick performing in 1977Background informationBirth nameDavid Cyril Eric SwarbrickAlso known asSwarbBorn(1941-04-05)5 April 1941Stoneleigh, Surrey, EnglandDied3 June 2016 (aged 75)Aberystwyth, WalesGenresFolk musicBritish folk rockOccupationsMusiciansongwriterarrangerInstrumentsViolinmandolinviolaguitarvocalsYears active1960s – 2016LabelsTransat...