Abundance: 0.91 to 13.84% (median 6.67%)

Latitudinal range: 42.2° to 46.2°

Habitats: (4) only

Found in 4 samples

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

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