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Calvarichelys coloniensis
Taxonomy
Calvarichelys coloniensis was named by Oriozabala et al. (2025). Its type specimen is MPEF-PV 10570, a partial skeleton, and it is a 3D body fossil. Its type locality is Norte de Cerro Bayo 2, which is in a Maastrichtian estuary/bay mudstone in the La Colonia Formation of Argentina. It is the type species of Calvarichelys.
Synonymy list
| Year | Name and author |
|---|---|
| 2025 | Calvarichelys coloniensis Oriozabala et al. p. 4 figs. 2-7 |
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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.
†Calvarichelys coloniensis Oriozabala et al. 2025
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Ernst and Barbour 1989 | |||||
Age range: Maastrichtian or 72.10000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Argentina (Chubut) | Chelidae indet. (type locality: 166583) |