Abundance: 0.32 to 1.06% (median 0.33%)

Latitudinal range: 42.6° to 44.9°

Habitats: (3) only

Found in 3 samples

United States: Holly's Microsite (Late Palaeocene), UMMP SC-67 (Early Eocene), Green Locality (Early Eocene)

See also Niptomomys doreenae, Niptomomys sp.