Synonym: Echmatemys obscura Gilmore 1915
Full reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568
Sister taxa: Echmatemys arethusa, Echmatemys callopyge, Echmatemys cibollensis, Echmatemys depressa, Echmatemys haydeni, Echmatemys jeanesi, Echmatemys lativertebralis, Echmatemys stevensoniana, Echmatemys wyomingensis, Palaeotheca polycypha, Palaeotheca terrestris
- Echmatemys naomi: AMNH 5975 (holotype), a partial shell (partial carapace). Its type locality is Little Dry Creek, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
- Echmatemys obscura: CM 3253, a shell. Its type locality is South of Kennedy's Hole, which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.
Ecology: aquatic herbivore
Distribution: found only at Little Dry Creek
Specimen images are retrieved through the ePANDDA API.
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