Abundance: 1.98 to 5.88%

Latitudinal range: 40.9° to 43.4°

Habitats: (2) only

Found in two samples

United States: Mission Quarry (Late Miocene), Martin Canyon Quarry A (Early Miocene)

See also Protospermophilus, Protospermophilus malheurensis, Protospermophilus quatalensis