Latitudinal range: 40.4° to 43.9°

Found in 3 samples

United States: Rabbit Graveyard (Green Marker Level) (Early Oligocene), Bloom Basin (BADL-LOC-0293) (Early Oligocene), Dry Gulch Creek Member (SDSNH Locality 5939) (Middle Eocene)

See also Eutypomys sp., Eutypomys thomsoni