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Icthyocrinus
Taxonomy
Icthyocrinus was named by Conrad (1842) [Sepkoski's age data: S Wenl-l D Sieg]. It is the type genus of Icthyocrinidae, Icthyocrinacea.
It was corrected as Ichthyocrinus by Whitfield (1893), Wright and Toom (2017).
It was assigned to Cyathocrinidae by Whitfield (1893); to Icthyocrinidae by Ubaghs et al. (1978), Webster and Webster (2012); to Flexibilia by Wright (2017); and to Sagenocrinida by Sepkoski (2002), Wright and Toom (2017).
It was corrected as Ichthyocrinus by Whitfield (1893), Wright and Toom (2017).
It was assigned to Cyathocrinidae by Whitfield (1893); to Icthyocrinidae by Ubaghs et al. (1978), Webster and Webster (2012); to Flexibilia by Wright (2017); and to Sagenocrinida by Sepkoski (2002), Wright and Toom (2017).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Icthyocrinus Conrad |
| 1893 | Ichthyocrinus Whitfield p. 35 |
| 1978 | Icthyocrinus Ubaghs et al. p. T790 |
| 2002 | Ichthyocrinus Sepkoski |
| 2012 | Icthyocrinus Webster and Webster p. 1329 |
| 2017 | Icthyocrinus Wright |
| 2017 | Ichthyocrinus Wright and Toom |
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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. †Icthyocrinus Conrad 1842
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Diagnosis
No diagnoses are available