Abundance: 4.07 to 32.96% (median 20.47%)

Latitudinal range: 45.9° to 49.3°

Habitats: (3) only

Found in 3 samples

Canada: Gryde (Maastrichtian)

United States: Purgatory Hill (Early Palaeocene), Spigot-Bottle (Maastrichtian)

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