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Cupulocorona
Taxonomy
Cupulocorona was named by Donovan and Paul (1985) [Sepkoski's age data: O Ashg-l S Wenl-l Sepkoski's reference number: 540].
It was assigned to Coronata by Sepkoski (2002); and to Stephanocrinidae by Donovan and Paul (1985) and McDermott and Paul (2015).
It was assigned to Coronata by Sepkoski (2002); and to Stephanocrinidae by Donovan and Paul (1985) and McDermott and Paul (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Cupulocorona Donovan and Paul p. 538 |
| 2002 | Cupulocorona Sepkoski |
| 2015 | Cupulocorona McDermott and Paul p. 177 |
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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. †Cupulocorona Donovan and Paul 1985
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†Cupulocorona gemmiformis Hall 1872
†Cupulocorona rugosa Donovan and Paul 1985
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Invalid names: Cupulocorona digitalis Donovan and Paul 1985 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. K. Donovan and C.R.C. Paul 1985 | Narrow stem, conical to cup-shaped theca with protruding triangular base and generally low coronal processes, planar or gently convex radial furrows, ornament of fine to coarse ridges in rhombic sets, but no prominent V W ridges. |