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Pleurelasma
Taxonomy
Pleurelasma was named by Cooper and Grant (1976) [Sepkoski's age data: P Guad-u Sepkoski's reference number: 7]. Its type is Pleurelasma costatum.
It was assigned to Terebratulida by Sepkoski (2002); and to Pseudodielasmatidae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Pseudodielasmatidae by Williams et al. (2006).
Species
P. costatum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Pleurelasma Cooper and Grant p. 2922 |
| 2002 | Pleurelasma Sepkoski |
| 2006 | Pleurelasma Williams et al. p. 2045 |
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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. †Pleurelasma Cooper and Grant 1976
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†Pleurelasma costatum Cooper and Grant 1976
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 6.32 | 5.20 | 7.50 | 6.40 | 0.954 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Capitanian or 264.28000 to 259.51000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | USA (New Mexico) | P. costatum (81965) | |
| Capitanian | USA (Texas) | P. costatum (106161) |