Abundance: 0.61 to 12.90% (median 1.82%)

Latitudinal range: 36.6° to 46.6°

Habitats: (7) only

Found in 7 samples

United States: Silver Creek, Haystack Cave (lower levels), Dead Indian Creek, Pintwater Cave (Unit 3, level 8), Marmes Rockshelter (Harrison horizon), Marmes Rockshelter (Marmes horizon), Marmes Rockshelter (A6–16 horizon)

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