Mass: 11.5 g based on Vázquez et al. 2000, Cameron and Spencer 1983 and Findley and Pullen 1958

Latitudinal range: 19.1° to 34.6°

Habitats: desert/xeric shrubland (6), temperate wetland (2), temperate savanna (2), tropical/subtropical dry broadleaf forest (3), temperate coniferous forest (1)

Found in 20 samples

Mexico: Atotonilco de Campa (Sherman traps, desert-shrub), Matancillas, La Campana, La Huerta, Las Joyas Scientific Station (cloud forest), Las Joyas Scientific Station (disturbed area), Cuauhtémoc, Playa de Oro, Cueva de Abra (Late Pleistocene)

United States: Bob White Memorial Wetlands Research and Teaching Station, Salado Creek, Rockefeller State Wildlife Refuge and Game Preserve, Fort Sill (Lawton soils), Santa Rita Experimental Range (1 November 1972), Kemper County, Zesch Cave (Late Pleistocene), Schulze Cave (layer B) (Holocene), Schulze Cave (layer C1) (Late Pleistocene), Schulze Cave (layer C2) (Late Pleistocene), Slaton Quarry (Middle Pleistocene)

body mass	11.2 g	N = 100	Vázquez et al. 2000
body mass	12.2 g	N = 348	Vázquez et al. 2000
♀ body mass	11.24 g	N = 784	Cameron and Spencer 1983
♂ body mass	11.48 g	N = 859	Cameron and Spencer 1983
♂ body mass	11.5 g	N = 4	Findley and Pullen 1958
♂ ear length	14.0 mm	N = 4	Findley and Pullen 1958
♂ hind foot length	19.5 mm	N = 4	Findley and Pullen 1958
♂ tail length	90.8 mm	N = 4	Findley and Pullen 1958
♂ total body length	160.8 mm	N = 4	Findley and Pullen 1958

See also Reithrodontomys, Reithrodontomys creper, Reithrodontomys gracilis, Reithrodontomys humulis, Reithrodontomys megalotis, Reithrodontomys mexicanus, Reithrodontomys microdon, Reithrodontomys montanus, Reithrodontomys rexroadensis, Reithrodontomys sp., Reithrodontomys sumichrasti, Reithrodontomys tenuirostris, Reithrodontomys wetmorei