Abundance: 1.75 to 3.70% (median 3.42%)

Latitudinal range: 45.8° to 46.2°

Habitats: (3) only

Found in 3 samples

United States: Gidley Quarry (Early Palaeocene), Silberling Quarry (Early Palaeocene), Bangtail (Middle Palaeocene)

See also Palaechthon alticuspis, Palaechthon woodi