Abundance: 0.21 to 3.37% (median 0.65%)

Latitudinal range: 41.5° to 51.5°

Habitats: (6) only

Found in 6 samples

United Kingdom: Abbey Wood (Early Eocene)

United States: Bear Creek (Late Palaeocene), Big Multi Quarry (Late Palaeocene), Mark's Locality (Late Palaeocene), Divide Quarry (Middle Palaeocene), Deadman Butte (Early Eocene)

See also Palaeosinopa didelphoides, Palaeosinopa dorri, Palaeosinopa osborni, Palaeosinopa sp.