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Pegmavalvula gloveri
Taxonomy
Pegmavalvula gloveri was named by Newell and Boyd (1970). Its type specimen is AMNH 28918, a valve (Left valve), and it is a 3D body fossil. Its type locality is AMNH512, Guadalupe Pass, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas. It is the type species of Pegmavalvula.
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Pegmavalvula gloveri Newell and Boyd p. 263 figs. figs. 7A, B, 25, 26 |
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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.
†Pegmavalvula gloveri Newell and Boyd 1970
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 4 | 44.1 | 34.5 | 60.3 | 42.6 | 10.9 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | USA (Texas) | Pegmavalvula gloveri (75865) | |
| Kungurian | Venezuela (Merida) | Pegmavalvula gloveri (41510 41511 41516) | |
| Roadian | USA (Texas) | Pegmavalvula gloveri (43548 43553 type locality: 81693 81722 101767 101782 101783 101807 102615 106021) | |
| Wordian | USA (Texas) | Pegmavalvula gloveri (43550) |