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Onychocrinus
Taxonomy
Onychocrinus was named by Lyon and Cassidy (1860) [Sepkoski's age data: C Tour-u C Serp-l Sepkoski's reference number: 906]. It is not extant.
It was assigned to Synerocrinidae by Ubaghs et al. (1978); and to Taxocrinida by Sepkoski (2002).
It was assigned to Synerocrinidae by Ubaghs et al. (1978); and to Taxocrinida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Onychocrinus Lyon and Cassidy |
| 1978 | Onychocrinus Ubaghs et al. p. T775 |
| 2002 | Onychocrinus Sepkoski |
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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. †Onychocrinus Lyon and Cassidy 1860
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Diagnosis
No diagnoses are available