Latitudinal range: 44.8° to 45.1°

Found in 3 samples

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

See also Acritoparamys, Acritoparamys atwateri, Acritoparamys francesi, Acritoparamys wyomingensis