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Polycrinus
Taxonomy
Polycrinus was named by Jaekel (1918) [Sepkoski's age data: O Cara-u O Ashg-m Sepkoski's reference number: 1213]. It is not extant.
It was assigned to Mastigocrinidae by Ubaghs et al. (1978); to Merocrinidae by Ausich (1998); and to Cladida by Sepkoski (2002).
It was assigned to Mastigocrinidae by Ubaghs et al. (1978); to Merocrinidae by Ausich (1998); and to Cladida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Polycrinus Jaekel |
| 1978 | Polycrinus Ubaghs et al. p. T625 |
| 1998 | Polycrinus Ausich p. 21 |
| 2002 | Polycrinus 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. †Polycrinus 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