Abundance: 1.08 to 1.78%

Latitudinal range: 44.9° to 46.2°

Habitats: (2) only

Found in two samples

United States: Gidley Quarry (Early Palaeocene), Rock Bench Quarry (Early Palaeocene)

See also Neoplagiaulacidae indet. 1, Neoplagiaulacidae indet. 2