United States: Marmes Rockshelter (Harrison horizon) (Pleistocene - Holocene)

See also Urocitellus, Urocitellus armatus, Urocitellus mollis, Urocitellus parryii, Urocitellus richardsonii, Urocitellus townsendii, Urocitellus undulatus, Urocitellus washingtoni