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Pterotocrinus
Taxonomy
Pterotocrinus was named by Lyon and Casseday (1859) [Sepkoski's age data: C Vise-u C Serp-l Sepkoski's reference number: 986]. It is not extant.
It was assigned to Dichocrinidae by Ubaghs et al. (1978); and to Monobathrida by Sepkoski (2002).
It was assigned to Dichocrinidae by Ubaghs et al. (1978); and to Monobathrida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
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1859 | Pterotocrinus Lyon and Casseday |
1978 | Pterotocrinus Ubaghs et al. p. T477 |
2002 | Pterotocrinus 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. †Pterotocrinus Lyon and Casseday 1859
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Diagnosis
No diagnoses are available