Reptilia - Testudines - Panemydidae

Full reference: O. P. Hay. 1899. Descriptions of two new species of tortoise from the Tertiary of the United States. Proceedings of the US National Museum 22(1181):21-24

Belongs to Acherontemys according to E. Vlachos 2018

See also Hay 1899, Hay 1902, Hay 1908 and Hay 1930

Sister taxa: none

Type specimen: USNM 4123, a shell. Its type locality is Northwestern Improvement Company No. 4 Mine, which is in an Eocene lacustrine sandstone in the Roslyn Formation of Washington.

Ecology: aquatic omnivore

Distribution: found only at Northwestern Improvement Company No. 4 Mine

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Specimen images are retrieved through the ePANDDA API.