Abundance: 0.13 to 14.80% (median 1.65%)

Latitudinal range: 43.3° to 51.1°

Habitats: (5) only

Found in 5 samples

Canada: Who Nose (Early Palaeocene), Police Point (Middle Palaeocene)

United States: Scarritt Quarry (Early Palaeocene), Douglass Quarry (Middle Palaeocene), Shotgun (Carnegie Museum) (Middle Palaeocene)

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