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Grenprisia
Taxonomy
Grenprisia was named by Moore (1962) [Sepkoski's age data: O Cara-m]. It is not extant.
It was assigned to Cladida by Sepkoski (2002); and to Dendrocrinidae by Ausich (1998) and Wright et al. (2019).
It was assigned to Cladida by Sepkoski (2002); and to Dendrocrinidae by Ausich (1998) and Wright et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Grenprisia Moore |
| 1998 | Grenprisia Ausich p. 20 |
| 2002 | Grenprisia Sepkoski |
| 2019 | Grenprisia 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. †Grenprisia Moore 1962
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. F. Wright et al. 2019 | Dendrocrinid with a high, subconical calyx;
interradial plates present, small, positioned between proximal primibrachials; arms branching into numerous divisions (>60), first branching on primibrachials 3 or 4; higher divisions isotomous to heterotomous; anal sac large, comprised of small plates with stellate ornamentation; column subcircular to subpentagonal, pentameric. |