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Coronocystis
Taxonomy
Coronocystis was named by Paul (1972) [Sepkoski's age data: O Llde-u O Cara-l Sepkoski's reference number: 248,326]. It is not extant. Its type is Cheirocrinus angulatus.
It was assigned to Rhombifera by Sepkoski (2002); and to Cheirocrinidae by Paul (1972) and Paul and Rozhnov (2016).
It was assigned to Rhombifera by Sepkoski (2002); and to Cheirocrinidae by Paul (1972) and Paul and Rozhnov (2016).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Coronocystis Paul |
| 2002 | Coronocystis Sepkoski |
| 2016 | Coronocystis Paul and Rozhnov p. 270 |
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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. †Coronocystis Paul 1972
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†Coronocystis angulatus Wood 1909
†Coronocystis durandensis Kolata 1975
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. R. C. Paul 1972 | A genus of Cheirocrinidae with open lateral circlet, six radial plates; long ambulacra extending from dome-shaped oral surface down into enlarged radial plates, five of which are deeply cleft to receive the ambulacra; with 15 disjunct pectinirhombs. |