Protospermophilus malheurensis (extinct rodent)
Variant names: Sciurus malheurensis
Abundance: 1.60 to 5.86%
Latitudinal range: 43.5° to 43.6°Habitats: (2) only
Found in two samples
United States: Red Basin (UOloc 2495) (Middle Miocene), Skull Spring (Middle Miocene)
Size measurements:
| M1 length | 2.40 mm | N = 1 | Black 1963 |
| M1 width | 2.70 mm | N = 1 | Black 1963 |
| M2 length | 2.40 mm | N = 1 | Black 1963 |
| M2 width | 2.80 mm | N = 1 | Black 1963 |
| P4 length | 2.00 mm | N = 1 | Black 1963 |
| P4 width | 2.40 mm | N = 1 | Black 1963 |
| p4 length | 1.87 mm | N = 1 | Shotwell 1968 |
| p4 width | 1.71 mm | N = 1 | Shotwell 1968 |
See also Protospermophilus, Protospermophilus quatalensis, Protospermophilus sp.