Abundance: 0.12 to 21.38% (median 2.21%)

Latitudinal range: 19.4° to 44.1°

Habitats: (12) only

Found in 12 samples

Mexico: El Zurdo, Cerro Portezuelo

United States: Papago Springs Cave, Haystack Cave (upper levels), Bone Cave, Rattlesnake Point Pueblo (Unit 2), Camels Back Cave (Stratum I), Kathy's Pit, Mescal Cave, Sunshine Locality (Unit D), Sunshine Locality (Unit E), Smith Creek Canyon (Reddish-brown Silt)

See also Thomomys, Thomomys bottae, Thomomys orientalis, Thomomys potamacensis, Thomomys spp., Thomomys talpoides, Thomomys umbrinus