Abundance: 0.42 to 3.37% (median 0.88%)

Latitudinal range: 41.5° to 45.1°

Habitats: (3) only

Found in 3 samples

United States: Bear Creek (Late Palaeocene), Big Multi Quarry (Late Palaeocene), Mark's Locality (Late Palaeocene)

See also Palaeosinopa, Palaeosinopa osborni