Abundance: 4.07 to 32.96%

Latitudinal range: 47.6° to 49.3°

Habitats: (2) only

Found in two samples

Canada: Gryde (Maastrichtian)

United States: Purgatory Hill (Early Palaeocene)

See also Mesodma, Mesodma ambigua, Mesodma hensleighi, Mesodma pygmaea, Mesodma sp., Mesodma thompsoni