Latitudinal range: 42.2° to 51.1°

Found in 7 samples

Canada: Narcissus (Early Palaeocene)

United States: Scarritt Quarry (Early Palaeocene), Cedar Point Quarry (Late Palaeocene), Shotgun (Carnegie Museum) (Middle Palaeocene), Chappo Type Locality (Late Palaeocene), Divide Quarry (Middle Palaeocene), Croc Tooth Quarry (Late Palaeocene)

See also Ignacius, Ignacius fremontensis, Ignacius graybullianus, Ignacius sp.