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Sphaerocrinus
Taxonomy
Sphaerocrinus was named by Roemer (1851) [Sepkoski's age data: D Give]. It is not extant. It is the type genus of Sphaerocrinidae.
It was assigned to Sphaerocrinidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
It was assigned to Sphaerocrinidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1851 | Sphaerocrinus Roemer |
1978 | Sphaerocrinus Ubaghs et al. p. T588 |
2002 | Sphaerocrinus 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. †Sphaerocrinus Roemer 1851
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Diagnosis
No diagnoses are available