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

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