Latitudinal range: 42.7° to 45.7°

Found in two samples

United States: Anceney (Early Miocene), Observation Quarry (Middle Miocene)

M1 length	1.49 mm	N = 1	Korth and Evander 2016
M1 length	1.57 mm	N = 1	Korth and Evander 2016
M1 width	0.98 mm	N = 1	Korth and Evander 2016
M1 width	0.97 mm	N = 1	Korth and Evander 2016
M2 length	1.02 mm	N = 1	Korth and Evander 2016
M2 length	1.10 mm	N = 1	Korth and Evander 2016
M2 width	1.00 mm	N = 1	Korth and Evander 2016
M2 width	0.99 mm	N = 1	Korth and Evander 2016
m1 length	1.37 mm	N = 1	Korth and Evander 2016
m1 width	1.05 mm	N = 1	Korth and Evander 2016
m2 length	1.33 mm	N = 1	Korth and Evander 2016
m2 width	1.17 mm	N = 1	Korth and Evander 2016

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