Abundance: 0.42 to 90.97% (median 55.52%)

Latitudinal range: 29.7° to 45.2°

Habitats: (9) only

Found in 9 samples

United States: Thomas Farm (Unit 15) (Early Miocene), Thomas Farm (Unit 11) (Early Miocene), Thomas Farm (Unit 6-7) (Early Miocene), Thomas Farm (Unit 5) (Early Miocene), McCann Canyon (Early Miocene), Vedder (UCMP locality V6761) (Early Miocene), Cañada Chiquita (Late Oligocene), Campbell Ranch (Late Oligocene), Martin Canyon Quarry A (Early Miocene)

See also Proheteromys floridanus, Proheteromys latidens, Proheteromys sp., Proheteromys sulculus, Proheteromys thorpei