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Tholocrinus
Taxonomy
Tholocrinus was named by Kirk (1939) [Sepkoski's age data: C Vise-u C Serp-l]. It is not extant.
It was assigned to Zeacrinitidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
It was assigned to Zeacrinitidae by Ubaghs et al. (1978); and to Cladida by Sepkoski (2002).
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by D. van Oyen on 2013-04-30
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Tholocrinus Kirk |
| 1978 | Tholocrinus Ubaghs et al. p. T750 |
| 2002 | Tholocrinus 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. †Tholocrinus Kirk 1939
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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: Aberhan 1992, Hendy et al. 2009, Kiessling 2004 | |||||
Age range: Pendleian or 330.30000 to 326.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chesterian | USA (Kentucky) | T. sp. (206292) | |
| Pendleian | USA (Illinois) | T. unionensis, T. discus (90821) |