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Parastephanocrinus
Taxonomy
Parastephanocrinus was named by Springer (1926) [Sepkoski's age data: S Ludl]. It is not extant.
It was assigned to Cyathocrinina by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
It was assigned to Cyathocrinina by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1926 | Parastephanocrinus Springer |
1978 | Parastephanocrinus Ubaghs et al. p. T606 |
2002 | Parastephanocrinus 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. †Parastephanocrinus Springer 1926
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Diagnosis
No diagnoses are available