Psephophorus calvertensis Palmer 1909 (leatherback)

Reptilia - Testudines - Dermochelyidae

Full reference: W. Palmer. 1909. Description of a New Species of Leatherback Turtle from the Miocene of Maryland. Proceedings of the United States National Museum 36(1669):369-373

Belongs to Psephophorus according to R. Köhler 1995

See also Zug 2001

Sister taxa: Psephophorus polygonus, Psephophorus pseudostracion, Psephophorus rupeliensis, Psephophorus scaldii, Psephophorus terrypratchetti

Type specimen: USNM 6059, a partial shell

Ecology: aquatic durophage-piscivore


• Miocene of United States (2: Virginia collections)

• Oligocene of United States (1: California)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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