Abundance: 0.39 to 29.82% (median 15.54%)

Latitudinal range: 43.3° to 46.2°

Habitats: (7) only

Found in 7 samples

United States: Gidley Quarry (Early Palaeocene), Silberling Quarry (Early Palaeocene), Scarritt Quarry (Early Palaeocene), Douglass Quarry (Middle Palaeocene), Rock Bench Quarry (Early Palaeocene), Cedar Point Quarry (Late Palaeocene), Shotgun (Carnegie Museum) (Middle Palaeocene)

See also Ptilodus kummae, Ptilodus montanus, Ptilodus sp., Ptilodus sp. 1, Ptilodus sp. 2, Ptilodus wyomingensis