Mammalia - Rodentia - Cricetidae

Full reference: L. L. Jacobs. 1977. Rodents of the Hemphillian age Redington local fauna, San Pedro Valley, Arizona. Journal of Paleontology 51(3):505-519

Belongs to Paronychomys according to L. L. Jacobs 1977

Sister taxa: Paronychomys alticuspis, Paronychomys lemredfieldi

Ecology: ground dwelling herbivore

Average measurements (in mm): M1 1.98 x 1.37, M2 1.58 x 1.35, M3 1.27 x 1.27, m1 1.93 x 1.20

Estimated body mass: 35.9 g based on m1 length