Abundance: 0.51 to 2.00% (median 0.97%)

Latitudinal range: 29.6° to 43.2°

Habitats: (7) only

Found in 7 samples

United States: Mark's Locality (Late Palaeocene), Whistler Squat Quarry (Middle Eocene), Elderberry Canyon Quarry (Early Eocene), Lightning Butte (Early Eocene), Someday (Early Eocene), Deadman Butte (Early Eocene), Sand Wash (Locality 3) (Middle Eocene)

See also Ischyromyidae indet.