Abundance: 0.10 to 2.46%

Latitudinal range: 42.2° to 46.2°

Habitats: (2) only

Found in two samples

United States: Gidley Quarry (Early Palaeocene), Chappo Type Locality (Late Palaeocene)

See also Mesodma, Mesodma ambigua, Mesodma formosa, Mesodma pygmaea