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Palauchelys montellanoi
Discussion
Specific name is in honor of Dra. Marisol Montellano Ballesteros, the first female vertebrate paleontologist in Mexico.
Taxonomy
Palauchelys montellanoi was named by López-Conde et al. (2021). Its type specimen is IGM-11517, a partial shell, and it is a 3D body fossil. Its type locality is Don Evaristo coal mine, which is in a Campanian/Maastrichtian delta plain /coal in the Olmos Formation of Mexico. It is the type species of Palauchelys.
Synonymy list
| Year | Name and author |
|---|---|
| 2021 | Palauchelys montellanoi López-Conde et al. |
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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.
†Palauchelys montellanoi López-Conde et al. 2021
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. A. López-Conde et al. 2021 | IGM-11517 differs from the other members of Bothremydini by the following character combination: oval carapace, reaching its maximum width at the level of the seventh peripherals; very shallow nuchal notch; wider than long nuchal plate, sub-octagonal in shape; six neurals; antero-lateral end of the first vertebral not exceeding half of the posterior width of the first pair of peripherals; anterior sulcus of the fourth vertebral on the middle area of the fifth neural, and posterior sulcus on the seventh pair of costals; medial edge of the first pair of marginals shorter than the lateral edge; overlap of the first pair of marginals in half of the nuchal lateral margins; wider than long mesoplastra; absence of medial contact of the humerals due to the development of a large intergular, reaching the pectorals; and posterior margin of the intergular near the posterior part of the entoplastron. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Uetz 2005, Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | Mexico (Coahuila) | Palauchelys montellanoi (type locality: 215838) |