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Cyrtocrinus
Taxonomy
Cyrtocrinus was named by Jeakel (1892) [Sepkoski's age data: J Oxfo K Vala]. It is not extant. Its type is Eugeniacrinites nutans.
It was assigned to Melocrinitacea by Ubaghs et al. (1978); to Cyrtocrinida by Sepkoski (2002); and to Sclerocrinidae by Salamon (2009), Hess and Messing (2011) and Hess (2012).
It was assigned to Melocrinitacea by Ubaghs et al. (1978); to Cyrtocrinida by Sepkoski (2002); and to Sclerocrinidae by Salamon (2009), Hess and Messing (2011) and Hess (2012).
Species
Synonymy list
Year | Name and author |
---|---|
1892 | Cyrtocrinus Jeakel |
1978 | Cyrtocrinus Ubaghs et al. p. T492 |
2002 | Cyrtocrinus Sepkoski |
2009 | Cyrtocrinus Salamon p. 82 |
2011 | Cyrtocrinus Hess and Messing p. 188 |
2012 | Cyrtocrinus Hess p. 234 |
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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. †Cyrtocrinus Jeakel 1892
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†Cyrtocrinus nutans Goldfuss 1829
†Cyrtocrinus praenutans Hess 2012
Diagnosis
No diagnoses are available