Latitudinal range: 29.7° to 42.8°

Found in 6 samples

United States: Thomas Farm (Unit 15) (Early Miocene), Thomas Farm (Unit 11) (Early Miocene), Thomas Farm (Unit 6-7) (Early Miocene), Thomas Farm (Unit 5) (Early Miocene), McCann Canyon (Early Miocene), Cañada Chiquita (Late Oligocene)

See also Nototamias hulberti, Nototamias quadratus, Nototamias sp.