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Coronocystis angulatus
Taxonomy
Cheirocrinus angulatus was named by Wood (1909) [= 1849 Cyathocrinites sculpttrs Troost: 61 (nomen nudum)]. Its type specimen is USNM 39951 and is a 3D body fossil. It is the type species of Coronocystis.
It was recombined as Coronocystis angulatus by Paul (1972).
It was recombined as Coronocystis angulatus by Paul (1972).
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Cheirocrinus angulatus Wood p. 7 figs. pl. 8 f. 9-10 |
| 1972 | Coronocystis angulatus Paul pp. 40 - 45 figs. Plate 2, figs. 1-7, Plate 3, figs. 1-5, Text-figs. 3f, 4f, 11-13 |
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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.
†Coronocystis angulatus Wood 1909
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. R. C. Paul 1972 | Aspecies 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. |