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Pachyocrinus
Taxonomy
Pachyocrinus was named by Billings (1859).
It was assigned to Parablastoidea by Hudson (1907); to Camerata by Ubaghs et al. (1978); and to Crinoidea by Sepkoski (2002).
It was assigned to Parablastoidea by Hudson (1907); to Camerata by Ubaghs et al. (1978); and to Crinoidea by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Pachyocrinus Billings |
| 1907 | Pachyocrinus Hudson |
| 1978 | Pachyocrinus Ubaghs et al. p. T517 |
| 2002 | Pachyocrinus 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||