Latitudinal range: 40.9° to 43.6°

Found in 5 samples

United States: Pratt Quarry (Middle Miocene), Red Basin (UOloc 2495) (Middle Miocene), Mission Quarry (Late Miocene), Skull Spring (Middle Miocene), Martin Canyon Quarry A (Early Miocene)

See also Protospermophilus malheurensis, Protospermophilus quatalensis, Protospermophilus sp.