Abundance: 0.26 to 1.45% (median 0.62%)

Latitudinal range: 44.7° to 46.2°

Habitats: (3) only

Found in 3 samples

United States: Douglass Quarry (Middle Palaeocene), Divide Quarry (Middle Palaeocene), Croc Tooth Quarry (Late Palaeocene)

See also Eucosmodontidae indet.