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Nacocrinus
Taxonomy
Nacocrinus was named by Webster and Olson (1998) [Sepkoski's age data: C Mosc-u]. It is not extant.
It was assigned to Cladida by Sepkoski (2002).
It was assigned to Cladida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Nacocrinus Webster and Olson |
| 2002 | Nacocrinus 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. †Nacocrinus Webster and Olson 1998
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Diagnosis
No diagnoses are available