Prothomomys warrenensis (extinct)
Found in one sample
United States: Warren (RV-7702) (Early Pliocene)
Size measurements:
| M1 length | 0.99 mm | N = 1 | May et al. 2011 |
| M1 length | 0.92 mm | N = 1 | May et al. 2011 |
| M1 length | 0.95 mm | N = 1 | May et al. 2011 |
| M1 width | 1.65 mm | N = 1 | May et al. 2011 |
| M1 width | 1.50 mm | N = 1 | May et al. 2011 |
| M1 width | 1.42 mm | N = 1 | May et al. 2011 |
| M2 length | 0.84 mm | N = 1 | May et al. 2011 |
| M2 width | 1.06 mm | N = 1 | May et al. 2011 |
| m1 length | 1.07 mm | N = 1 | May et al. 2011 |
| m1 width | 1.65 mm | N = 1 | May et al. 2011 |
| m2 length | 0.91 mm | N = 1 | May et al. 2011 |
| m2 width | 1.37 mm | N = 1 | May et al. 2011 |
| p4 length | 1.81 mm | N = 1 | May et al. 2011 |
| p4 length | 1.49 mm | N = 1 | May et al. 2011 |
| p4 width | 1.89 mm | N = 1 | May et al. 2011 |
| p4 width | 1.11 mm | N = 1 | May et al. 2011 |
See also Prothomomys