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Porocrinus
Taxonomy
Porocrinus was named by Billings (1857) [Sepkoski's age data: O Cara-l O Ashg-m]. It is not extant. Its type is Porocrinus conicus. It is the type genus of Porocrinidae.
It was assigned to Cladida by Sepkoski (2002); and to Porocrinidae by Ubaghs et al. (1978), Ausich (1998) and Wright et al. (2019).
It was assigned to Cladida by Sepkoski (2002); and to Porocrinidae by Ubaghs et al. (1978), Ausich (1998) and Wright et al. (2019).
Species
P. conicus (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Porocrinus Billings |
| 1978 | Porocrinus Ubaghs et al. p. T589 |
| 1998 | Porocrinus Ausich p. 22 |
| 2002 | Porocrinus Sepkoski |
| 2019 | Porocrinus Wright et al. |
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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.
Diagnosis
No diagnoses are available