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Arachnocrinus
Taxonomy
Arachnocrinus was named by Meek and Worthen (1866) [Sepkoski's age data: D Eife]. It is not extant.
It was assigned to Crotalocrinitidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
It was assigned to Crotalocrinitidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1866 | Arachnocrinus Meek and Worthen |
| 1978 | Arachnocrinus Ubaghs et al. p. T591 |
| 2002 | Arachnocrinus 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. †Arachnocrinus Meek and Worthen 1866
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992, Hendy et al. 2009 | |||||
Collections
No collection or age range data are available