Abundance: 0.13 to 12.32% (median 0.91%)

Latitudinal range: 43.3° to 46.2°

Habitats: (7) only

Found in 7 samples

United States: Scarritt Quarry (Early Palaeocene), Douglass Quarry (Middle Palaeocene), Rock Bench Quarry (Early Palaeocene), Cedar Point Quarry (Late Palaeocene), Holly's Microsite (Late Palaeocene), UMMP SC-54 (Early Eocene), Shotgun (Carnegie Museum) (Middle Palaeocene)

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