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Perimestocrinus
Taxonomy
Perimestocrinus was named by Moore and Plummer (1937) [Sepkoski's age data: C Mosc-u P Wc]. It is not extant.
It was assigned to Cladida by Sepkoski (2002); and to Pirasocrinidae by Webster (2006).
It was assigned to Cladida by Sepkoski (2002); and to Pirasocrinidae by Webster (2006).
Species
Species lacking formal opinion data
Synonymy list
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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. †Perimestocrinus Moore and Plummer 1937
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†Perimestocrinus excavatus Weller 1909
†Perimestocrinus nevadensis Lane and Webster 1966
†Perimestocrinus oasis Webster and Lane 1967
†Perimestocrinus teneris Moore and Plummer 1938
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 (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Morrowan | USA (Oklahoma) | P. teneris (128687) | |
| Morrowan | USA (Arkansas) | P. teneris (129921) | |
| Missourian | USA (Texas) | P. moseleyi (90808) | |
| Artinskian | USA (Nevada) | P. nevadensis (74742 90757) P. nevadensis, P. oasis (90756) | |
| Kungurian | USA (Texas) | Delocrinus excavatus (89392) |