Latitudinal range: 35.6° to 46.6°

Found in 8 samples

United States: Anceney (Early Miocene), Pratt Quarry (Middle Miocene), Quartz Basin (UOloc 2465) (Middle Miocene), White Cone (Late Miocene), Wilbur Locality (Late Miocene), WaKeeney (UM-K6-59) (Late Miocene), Star Valley (IMNH Locality 67001) (Late Miocene), Observation Quarry (Middle Miocene)

See also Copemys barstowensis, Copemys lindsayi, Copemys pagei, Copemys sp.