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Pseudemys idahoensis
Taxonomy
Pseudemys idahoensis was named by Gilmore (1933). Its type specimen is USNM 12059, a partial skeleton (skull, carapace, postcrania), and it is a 3D body fossil. Its type locality is Hagerman (Gidley Horse Quarry), which is in a Blancan terrestrial horizon in the Glenns Ferry Formation of Idaho.
It was recombined as Chrysemys idahoensis by Zug (1969).
It was recombined as Chrysemys idahoensis by Zug (1969).
Synonymy list
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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.
†Pseudemys idahoensis Gilmore 1933
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Vlachos 2018 | “Pseudemys” idahoensis can diagnosed as a member of Pan-Emydidae based on the full list of characters provided for that clade above. “Pseudemys” idahoensis differs from Pseudemys in the absence of a contact between the maxilla and quadratojugal, smaller foramen palatinum posterius, the absence of cusps at the end of the median maxillary ridge, the presence of a longer pterygoid that touches the exoccipital and from Graptemys based on the contact between the maxilla and quadratojugal and contact of the pterygoid with the basioccipital. “Pseudemys” idahoensis furthermore differs from all other pantestudinoids in the presence of an anterolateral projection of vertebral I onto peripheral I in combination with an overlap of pleural 1 onto the lateral parts of the nuchal. |