PaleoDB taxon number: 241944
Full reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568
Type specimen: AMNH 1203, a partial shell (The specimen [a shell] is not quite complete, being somewhat crusht and fractured and having a portion of the margin of the left side missing). Its type locality is Escavada Wash (Lower), which is in a Torrejonian terrestrial horizon in the Nacimiento Formation of New Mexico.
Ecology: aquatic carnivore