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Pachylocrinidae
Taxonomy
Pachylocrinidae was named by Kirk (1942). Its type is Pachylocrinus.
It was assigned to Lophocrinacea by Ubaghs et al. (1978); to Scytalocrinacea by Webster and Lane (2007); to Texacrinoidea by Webster and Webster (2012); and to Apographiocrinoidea by Mao et al. (2018).
It was assigned to Lophocrinacea by Ubaghs et al. (1978); to Scytalocrinacea by Webster and Lane (2007); to Texacrinoidea by Webster and Webster (2012); and to Apographiocrinoidea by Mao et al. (2018).
Subtaxa
Pachylocrinus (type genus), Plummericrinus
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Pachylocrinidae Kirk |
| 1978 | Pachylocrinidae Ubaghs et al. p. T671 |
| 2007 | Pachylocrinidae Webster and Lane p. 959 |
| 2012 | Pachylocrinidae Webster and Webster |
| 2018 | Pachylocrinidae Mao et al. p. 1073 |
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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.
Fm. †Pachylocrinidae Kirk 1942
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G. †Plummericrinus Moore and Laudon 1943
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†Plummericrinus bulbosus Webster and Lane 2007
†Plummericrinus expansus Moore and Strimple 1973
†Plummericrinus jelli Webster and Lane 2007
Diagnosis
No diagnoses are available