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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Testudo costarricensis
Taxonomy
Testudo costarricensis was named by Segura Paguaga (1944). It is extant. Its type specimen is NMCR, number unknown, a partial shell. Its type locality is Milla 52, which is in an Oligocene/Miocene terrestrial horizon in Costa Rica.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Testudo costarricensis Segura Paguaga |
| 2018 | Testudo costarricensis Vlachos |
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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.
Testudo costarricensis Segura Paguaga 1944
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Vlachos 2018 | “Testudo” costarricensis can be diagnosed as a member of Pan-Testudinidae based on the presence of a rectangular neural III. “Testudo” costarricensis differs from most stem testudinids in the presence of neural differentiation with quadrangular and octagonal neurals, coincidence between the pleuro-marginal sulci and the costo-peripheral suture, and fusion of marginals XII and differs from crown Testudinidae, but resembles Oligopherus laticuneus, in the presence of a weakly-developed epiplastral lip and an anterior neural formula of 6P<6P<4<8. “Testudo” costarricensis differs from Oligopherus laticuneus in the absence of a contact between marginal VI and pleural III, the rounded anterior plastral lobe, and the overlap of the pectoral scutes on the posterior part of the entoplastron. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Ernst and Barbour 1989, Carroll 1988 | |||||
Age range: base of the Oligocene to the top of the Early/Lower Miocene or 33.90000 to 15.98000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene - Early/Lower Miocene | Costa Rica (Cartago) | Testudo costarricensis (type locality: 190141) |