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Paractocrinus
Taxonomy
Paractocrinus was named by Jaekel (1918) [Sepkoski's age data: O Llvi]. It is not extant. It is the type genus of Paractocrinidae.
It was assigned to Paractocrinidae by Arendt (1976) and Ubaghs et al. (1978); and to Crinoidea by Sepkoski (2002).
It was assigned to Paractocrinidae by Arendt (1976) and Ubaghs et al. (1978); and to Crinoidea by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Paractocrinus Jaekel |
| 1976 | Paractocrinus Arendt |
| 1978 | Paractocrinus Ubaghs et al. p. T756 |
| 2002 | Paractocrinus 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. †Paractocrinus Jaekel 1918
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Collections
No collection or age range data are available