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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Elkanemys pritchardi
Discussion
Etymology. pritchardi in references to Peter Pritchard, known as the Turtle God and named hero of the planet, from Chelonian Research Institute who worked on Pelomedusoides diversity, especially on South America, and has recently passed away.
Taxonomy
Elkanemys pritchardi was named by Maniel et al. (2021). Its type specimen is MMCh-PV 73, a partial shell (partially preserved shell including an almost complete plastron excluding the epiplastron and entoplastron and a mostly complete carapace), and it is a 3D body fossil. Its type locality is South coast of the Lake Ezequiel Ramos Mexia lake, which is in a Cenomanian fluvial-lacustrine sandstone in the Candeleros Formation of Argentina. It is the type species of Elkanemys.
Synonymy list
| Year | Name and author |
|---|---|
| 2021 | Elkanemys pritchardi Maniel 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.
†Elkanemys pritchardi Maniel et al. 2021
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| I. J. Maniel et al. 2021 | Elkanemys pritchardi can be diagnosed as a pelomedusoids pleurodira by the suturing of the pelvic girdle to the shell, and the presence of rounded and equidimensional mesoplastra, as a bothremydidae by an anterior plastral lobe particularly wide at its base. It can be considered as a representative of the Cearachelyini tribe based on the presence of a 6-sided first neural with short posterolateral margins, a second neural bone 4-sided shaped, and a neural serie completeness at least until the eighth costals. Elkanemys differs from Cearachelys by the axillary buttresses extended over the second peripheral bone. The pectoral-abdominal sulcus does not enter on mesoplastral bones distinguishes it from Cerachelys placidoi and AMNH 30551. It differs from AMNH 30550 by the presence of at least seven neurals and an iliac scars that extend only over eight costal. Finally, Elkanemys pritchardi differs from both AMNH 30550 and 30551 by having a rectangular pygal bone against the subtrapezoidal pygal exhibits by them. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Uetz 2005 | |||||
Age range: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Argentina (Río Negro) | Elkanemys pritchardi (type locality: 219994) |