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Achradocrinus
Taxonomy
Achradocrinus was named by Schultze (1866) [Sepkoski's age data: S Wenl 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 | Achradocrinus Schultze |
| 1978 | Achradocrinus Ubaghs et al. p. T591 |
| 2002 | Achradocrinus 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. †Achradocrinus Schultze 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: Hendy et al. 2009, Kiessling 2004, Aberhan 1992 | |||||
Age range: Llandovery or 443.40000 to 433.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (Indiana) | A. sp. (26813) |