Abundance: 2.25 to 4.00% (median 3.23%)

Latitudinal range: 41.9° to 45.1°

Habitats: (3) only

Found in 3 samples

United States: Bear Creek (Late Palaeocene), UMMP SC-67 (Early Eocene), Fossil Butte (FB-16) (Early Eocene)

See also Ectoganus bighornensis, Ectoganus lobdelli, Ectoganus sp.