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Hemibrachiocrinus
Taxonomy
Hemibrachiocrinus was named by Arendt (1968) [Sepkoski's age data: K Vala-l K Barr-l Sepkoski's reference number: 1066]. It is not extant.
It was assigned to Cyrtocrinida by Sepkoski (2002).
It was assigned to Cyrtocrinida by Sepkoski (2002).
Sister genera
Aspidocrinus, Bilecicrinus, Brachiomonocrinus, Calamocrinus, Capsicocrinus, Coollarocrinus, Cotylederma, Crataegocrinus, Cyathidium, Cyclocrinus, Cyrtocrinus, Dibrachiocrinus, Dinardocrinus, Eudesicrinus, Eugeniacrinites, Fishericrinus, Gammarocrinites, Gutticrinus, Gymnocrinus, Hemicrinus, Holopus, Hoyacrinus, Labiocrinus, Lonchocrinus, Ninocrinus, Paracotylederma, Paragammarocrinites, Phyllocrinus, Pilocrinus, Plicatocrinus, Proholopus, Psalidocrinus, Quenstedticrinus, Remisovicrinus, Sacariacrinus, Sclerocrinus, Strambergocrinus, Taurocrinus, Tetracrinus, Torynocrinus
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Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Hemibrachiocrinus Arendt |
| 2002 | Hemibrachiocrinus Sepkoski, Jr. |
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