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Acacocrinus
Taxonomy
Acacocrinus was named by Wachsmuth and Springer (1897) [Sepkoski's age data: S Ldov-m D Give Sepkoski's reference number: 703]. It is not extant.
It was assigned to Monobathrida by Sepkoski (2002); and to Periechocrinidae by Ausich et al. (2012).
It was assigned to Monobathrida by Sepkoski (2002); and to Periechocrinidae by Ausich et al. (2012).
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Acacocrinus Wachsmuth and Springer |
| 2002 | Acacocrinus Sepkoski |
| 2012 | Acacocrinus Ausich et al. p. 616 |
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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. †Acacocrinus Wachsmuth and Springer 1897
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Llandovery to the top of the Wenlock or 443.40000 to 427.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (Ohio) | A. anebos (13337) | |
| Wenlock | USA (Indiana) | A. americanus (26771) |