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Eleutherocrinus
Taxonomy
Eleutherocrinus was named by Shumard and Yandell (1856) [Sepkoski's age data: D Eife-l D Give Sepkoski's reference number: 322]. It is not extant.
It was assigned to Pentremitidae by Beaver et al. (1967); to Hyperoblastidae by Waters and Horowitz (1993); and to Spiraculata by Sepkoski (2002).
It was assigned to Pentremitidae by Beaver et al. (1967); to Hyperoblastidae by Waters and Horowitz (1993); and to Spiraculata by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1856 | Eleutherocrinus Shumard and Yandell p. 73 |
1967 | Eleutherocrinus Beaver et al. p. S438 |
1993 | Eleutherocrinus Waters and Horowitz |
2002 | Eleutherocrinus Sepkoski |
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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. †Eleutherocrinus Shumard and Yandell 1856
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†Eleutherocrinus cassedayi Shumard and Yandell 1856
Diagnosis
No diagnoses are available