Latitudinal range: 42.2° to 46.2°

Found in two samples

United States: Douglass Quarry (Middle Palaeocene), Chappo Type Locality (Late Palaeocene)

See also Ectocion, Ectocion cedrus, Ectocion mediotuber, Ectocion osbornianus, Ectocion parvus, Ectocion sp., Ectocion superstes