Abundance: 0.27 to 1.32%

Latitudinal range: 42.3° to 43.2°

Habitats: (2) only

Found in two samples

United States: Buck Spring Quarries (B-2 horizon) (Early Eocene), Lightning Butte (Early Eocene)

See also Palaeanodonta indet., Palaeanodonta indet. A