Abundance: 0.21 to 55.32% (median 10.87%)

Latitudinal range: 29.6° to 41.1°

Habitats: (5) only

Found in 5 samples

United States: Whistler Squat Quarry (Middle Eocene), Sciuravus Surprise (Middle Eocene), Donna's Locality (Middle Eocene), Natural Science (Middle Eocene), Roll the Bones (Middle Eocene)

See also Metanoiamys sp., Metanoiamys texensis