Thomomys umbrinus (rodent)

Abundance: 0.06 to 0.72% (median 0.15%)

Latitudinal range: 30.3° to 39.5°

Habitats: (4) only

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Found in 4 samples

United States: Crystal Ball Cave (Late Pleistocene), Schulze Cave (layer B) (Holocene), Schulze Cave (layer C1) (Late Pleistocene), Schulze Cave (layer C2) (Late Pleistocene)

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