Mammalia - Rodentia - Heteromyidae

Full reference: J. R. Macdonald. 1963. The Miocene faunas from the Wounded Knee area of western South Dakota. Bulletin of the American Museum of Natural History 125(3):139-238

Belongs to Proheteromys according to J. R. Macdonald 1963

Sister taxa: Proheteromys cejanus, Proheteromys floridanus, Proheteromys gremmelsi, Proheteromys ironcloudi, Proheteromys matthewi, Proheteromys maximus, Proheteromys nebraskensis, Proheteromys parvus, Proheteromys sabinensis, Proheteromys sulculus, Proheteromys thorpei, Proheteromys toledoensis

Type specimen: Its type locality is Sharps (SDSM V-5354), which is in a Geringian terrestrial horizon in the Sharps Formation of South Dakota

Ecology: ground dwelling granivore-browser

Average measurements (in mm): m1 1.18 x 1.25