Abundance: 0.51 to 11.84% (median 5.69%)

Latitudinal range: 39.2° to 43.2°

Habitats: (6) only

Found in 6 samples

United States: Buck Spring Quarries (B-2 horizon) (Early Eocene), Elderberry Canyon Quarry (Early Eocene), Green Locality (Early Eocene), Lightning Butte (Early Eocene), Someday (Early Eocene), Deadman Butte (Early Eocene)

See also Knightomys depressus, Knightomys huerfanensis, Knightomys senior, Knightomys sp.