Copemys barstowensis (rodent)
Found in one sample
United States: Quartz Basin (UOloc 2465) (Middle Miocene)
Size measurements:
| M1 length | 2.10 mm | N = 2 | Shotwell 1967 |
| M1 width | 1.27 mm | N = 2 | Shotwell 1967 |
| M2 length | 1.49 mm | N = 4 | Shotwell 1967 |
| M2 width | 1.24 mm | N = 4 | Shotwell 1967 |
| m1 length | 1.78 mm | N = 2 | Shotwell 1967 |
| m1 width | 1.15 mm | N = 2 | Shotwell 1967 |
| m2 length | 1.67 mm | N = 5 | Shotwell 1967 |
| m2 width | 1.29 mm | N = 5 | Shotwell 1967 |
See also Copemys, Copemys lindsayi, Copemys pagei, Copemys sp.