Reptilia - Testudines - Toxochelyidae

Full reference: R. Zangerl. 1953. The vertebrate fauna of the Selma Formation of Alabama. Part IV. The turtles of the family Toxochelyidae. Fieldiana: Geology Memoirs 3(4):145-277

Belongs to Prionochelys according to R. Zangerl 1953

Sister taxa: Prionochelys galeotergum, Prionochelys matutina

Type specimen: CNHM P26237, a partial skeleton. Its type locality is Devil's Backbone, which is in a Cretaceous marine marl in the Marlbrook Marl Formation of Arkansas.

Ecology: aquatic omnivore