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Isocrinus
Taxonomy
Isocrinus was named by von Meyer (1836) [Sepkoski's age data: ]. It is the type genus of Isocrinidae, Isocrininae.
It was assigned to Pentacrinidae by Clark and Twitchell (1915); to Isocrinida by Jagt (1999); to Isocrinidae by Moore and Vokes (1953), Rasmussen (1961), Oji (1990) and Donovan et al. (2005); and to Isocrininae by Jäger (2010), Hess and Gale (2010), Hess and Messing (2011) and Hess (2012).
It was assigned to Pentacrinidae by Clark and Twitchell (1915); to Isocrinida by Jagt (1999); to Isocrinidae by Moore and Vokes (1953), Rasmussen (1961), Oji (1990) and Donovan et al. (2005); and to Isocrininae by Jäger (2010), Hess and Gale (2010), Hess and Messing (2011) and Hess (2012).
Species
I. (Chladocrinus), I. (Diplocrinus), I. (Isocrinus), I. amblyscalaris, I. annulatus (syn. Pentacrinus alternatus), I. arduennensis, I. arzierensis, I. bleytonensis, I. brotzeni, I. californicus, I. campanularis, I. cenomanensis (syn. I. neuvillensis), I. dentatogranulatus, I. diegonensis, I. divergens, I. doliolum, I. dumortieri, I. echinatus, I. florifer, I. gevreyi, I. gocevi, I. granosus (syn. I. hureae, Balanocrinus epensensis, I. forbesi), I. knighti, I. lanceolatus, I. legeri (syn. I. askerensis), I. lissajouxi, I. longus, I. mallevalensis, I. minutus, I. nehalemensis, I. neocomiensis, I. nicoleti, I. nodulosus (syn. I. sanctipaterni, I. affinis, Pentacrinus lamberti), I. perlatus, I. peyroulensis (syn. I. demolyi), I. propinquus (syn. Pentacrinus braunii), I. psilonoti, I. sublaevigatus, I. thiessingi, I. wyomingensis, I. zeltbergensis
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1836 | Isocrinites Meyer in Agassiz p. 57 |
1836 | Isocrinus von Meyer p. 57 |
1915 | Isocrinus Clark and Twitchell p. 21 |
1953 | Isocrinus Moore and Vokes p. 122 |
1961 | Isocrinus Rasmussen p. 87 |
1990 | Isocrinus Oji p. 425 |
1999 | Isocrinus Jagt p. 72 |
2005 | Isocrinites Donovan et al. p. 97 |
2005 | Isocrinus Donovan et al. p. 97 |
2010 | Isocrinus Hess and Gale p. 431 |
2010 | Isocrinus Jäger p. 736 |
2011 | Isocrinus Hess and Messing p. 50 |
2012 | Isocrinus Hess p. 219 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Isocrinus von Meyer 1836
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†Isocrinus amblyscalaris Thurmann 1861
†Isocrinus arduennensis Valette 1926
†Isocrinus arzierensis Loriol 1879
†Isocrinus bleytonensis Jäger 2010
†Isocrinus brotzeni Rasmussen 1961
†Isocrinus californicus Clark and Twitchell 1915
†Isocrinus campanularis Nielsen 1913
†Isocrinus cenomanensis d'Orbigny 1850
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Invalid names: Isocrinus neuvillensis Valette 1917 [synonym]
†Isocrinus dentatogranulatus Wollemann 1907
†Isocrinus diegonensis Collignon 1931
†Isocrinus divergens Nielsen 1913
†Isocrinus doliolum Valette 1917
†Isocrinus dumortieri Oppel 1865
†Isocrinus echinatus Rasmussen 1961
†Isocrinus florifer Eichwald 1868
†Isocrinus gevreyi Loriol 1904
†Isocrinus gocevi Sieverts-Doreck 1951
†Isocrinus granosus Valette 1917
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Invalid names: Balanocrinus epensensis Valette 1917 [synonym], Isocrinus forbesi Biese 1930 [synonym], Isocrinus hureae Valette 1917 [synonym]
†Isocrinus knighti Springer 1909
†Isocrinus lanceolatus Roemer 1840
†Isocrinus lissajouxi Loriol 1836
†Isocrinus longus Nielsen 1913
†Isocrinus mallevalensis Loriol 1904
†Isocrinus minutus Valette 1917
†Isocrinus nehalemensis Moore and Vokes 1953
†Isocrinus neocomiensis Desor 1845
†Isocrinus nicoleti Desor 1845
†Isocrinus nodulosus Roemer 1840
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Invalid names: Isocrinus affinis Valette 1917 [synonym], Isocrinus sanctipaterni Valette 1917 [synonym], Pentacrinus lamberti Valette 1917 [synonym]
†Isocrinus perlatus Quenstedt 1852
†Isocrinus psilonoti Quenstedt 1858
†Isocrinus sublaevigatus d'Orbigny 1850
†Isocrinus thiessingi Loriol 1879
†Isocrinus wyomingensis Koch 1962
†Isocrinus zeltbergensis Wollemann 1902
Invalid names: Isocrinites Meyer in Agassiz 1836 [synonym]
Diagnosis
No diagnoses are available