Ictidomys mexicanus (rodent)
Variant names: Spermophilus mexicanus
Mass: 331 g based on Elizalde-Arellano et al. 2010
Abundance: 0.05%
Habitats: (1) only
Found in one sample
United States: Schulze Cave (layer C2) (Late Pleistocene)
Size measurements:
| body mass | 331.3 g | N = 1 | Elizalde-Arellano et al. 2010 |
| ♂ hind foot length | 44 mm | N = 1 | Mearns 1895 |
| ♂ skull length | 45.5 mm | N = 2 | Mearns 1895 |
| ♂ skull width | 26 mm | N = 2 | Mearns 1895 |
| ♂ tail length | 130 mm | N = 1 | Mearns 1895 |
| ♂ total body length | 325 mm | N = 1 | Mearns 1895 |
| ♂ upper tooth row length | 9.25 mm | N = 2 | Mearns 1895 |
See also Ictidomys, Ictidomys tridecemlineatus