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Plicodendrocrinus
Taxonomy
Plicodendrocrinus was named by Brower (1995) [Sepkoski's age data: O Cara-m O Ashg-u]. It is not extant. Its type is Dendrocrinus casei. It is the type genus of Plicodendrocrinidae.
It was assigned to Cladida by Sepkoski (2002); to Plicodendrocrinidae by Ausich and Copper (2010); and to Dendrocrinidae by Ausich (1998) and Wright et al. (2019).
It was assigned to Cladida by Sepkoski (2002); to Plicodendrocrinidae by Ausich and Copper (2010); and to Dendrocrinidae by Ausich (1998) and Wright et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Plicodendrocrinus Brower |
| 1998 | Plicodendrocrinus Ausich p. 20 |
| 2002 | Plicodendrocrinus Sepkoski |
| 2010 | Plicodendrocrinus Ausich and Copper p. 42 |
| 2019 | Plicodendrocrinus 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.
G. †Plicodendrocrinus Brower 1995
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†Plicodendrocrinus casei Meek 1871
†Plicodendrocrinus epinettensis Ausich and Copper 2010
†Plicodendrocrinus martini Ausich and Cournoyer 2019
†Plicodendrocrinus observationensis Ausich and Copper 2010
†Plicodendrocrinus petryki Ausich and Cournoyer 2019
†Plicodendrocrinus proboscidiatus Billings 1857
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. F. Wright et al. 2019 | Dendrocrinid with prominent stellate ridges ornamenting calyx plates; radianal directly below the C ray radial; elongate, strongly plicated anal sac, column pentalobe, lacking pentameres (after Brower, 1995b). |