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Gestemys
Discussion
Derivation of name. From Geste, the name of the Formation where this turtle was found and from emys, Greek for freshwater turtle.
Taxonomy
Gestemys was named by de la Fuente et al. (2022). Its type is Gestemys powelli.
It was assigned to Podocnemididae by de la Fuente et al. (2022).
It was assigned to Podocnemididae by de la Fuente et al. (2022).
Species
G. powelli (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2022 | Gestemys de la Fuente 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.
G. †Gestemys de la Fuente et al. 2022
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†Gestemys powelli de la Fuente et al. 2022
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. S. de la Fuente et al. 2022 | Gestemys powelli can be diagnosed as a pelomedusoid due to: the presence of a processus trochlearis pterygoidei; the quadrate ventral process extending medially to the braincase below the cranioquadrate space; a foramen palatinum posterius that lies behind the orbit; a condyles mandibularis anterior to the basioccipital– basisphenoid suture; prefrontals meeting at the midline; the absence of parietal–squamosal contact; the absence of a cervical scute; rounded and equidimensional mesoplastra; and a pelvic girdle that is attached suturally to the shell. The new taxon can be attributed to Podocnemididae due to: its fully developed and medially extensive cavum pterygoidei; an incisura columellae auris enclosing the stapes and Eustachian tube; and the absence of exoccipital–quadrate contact. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Uetz 2005, Hendy et al. 2009, Carroll 1988 | |||||
Age range: Late/Upper Eocene or 37.20000 to 33.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | Argentina (Salta) | G. powelli (226782) |