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Pycnodonte (Pegma) bajaensis
Taxonomy
Pycnodonte (Pegma) bajaensis was named by Squires and Demetrion (1990). Its type specimen is IGM 5069, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Pycnodonte (Pegma) bajaensis Squires and Demetrion p. 388 figs. figs. 3.5-3.12 |
| 1992 | Pycnodonte (Pegma) bajaensis Squires and Demetrion p. 39 |
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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.
†Pycnodonte (Pegma) bajaensis Squires and Demetrion 1990
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Steuber 2002, Kiessling 2004, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Mexico (Baja California) | Pycnodonte bajaensis (5506) | |
| Ypresian | Mexico (Baja California Sur) | Pycnodonte bajaensis (5496 5507 7928) | |
| Lutetian | Mexico (Baja California) | Pycnodonte bajaensis (5504 5505) |