Full reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568
See also Hay 1908
Sister taxa: Echmatemys callopyge, Echmatemys cibollensis, Echmatemys depressa, Echmatemys haydeni, Echmatemys jeanesi, Echmatemys lativertebralis, Echmatemys naomi, Echmatemys stevensoniana, Echmatemys wyomingensis, Palaeotheca polycypha, Palaeotheca terrestris
Type specimen: AMNH 5920 (holotype), a partial shell. Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Ecology: aquatic herbivore
Distribution: found only at Grizzly Buttes
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.