Abundance: 1.10 to 22.22% (median 3.33%)

Latitudinal range: 45.8° to 54.8°

Habitats: (3) only

Found in 3 samples

Canada: Swan Hills Locality 1 (Late Palaeocene), Who Nose (Early Palaeocene)

United States: Bangtail (Middle Palaeocene)

See also Neoplagiaulacidae, Neoplagiaulacidae indet. 1, Neoplagiaulacidae indet. 2