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Acanthochelys cosquinensis
Taxonomy
Acanthochelys cosquinensis was named by de la Fuente (1992). Its type specimen is MLP 77-V-12-1, a partial skeleton, and it is a 3D body fossil. Its type locality is Cosquin River, which is in a Montehermosan/Chapadmalalan terrestrial horizon in the Casa Grande Formation of Argentina.
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Acanthochelys cosquinensis de la Fuente |
| 2014 | Acanthochelys cosquinensis de la Fuente et al. |
| 2016 | Acanthochelys cosquinensis Maniel and de la Fuente |
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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.
†Acanthochelys cosquinensis de la Fuente 1992
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| I. J. Maniel and M. S. de la Fuente 2016 | Acanthochelys cosquinensis can be diagnosed as a representative of Acanthochelys by the absence of neurals and the midline carapacial depression. It differs from other Acanthochelys by the presence of a cervical that is as wide as long and a quadrangular pygal. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Ernst and Barbour 1989, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Montehermosan to the top of the Chapadmalalan or 5.00000 to 3.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Montehermosan - Chapadmalalan | Argentina (Cordoba) | Acanthochelys cosquinensis (type locality: 189509) |