Abundance: 0.10 to 10.00% (median 2.94%)

Latitudinal range: 42.2° to 47.1°

Habitats: (5) only

Found in 5 samples

United States: Gidley Quarry (Early Palaeocene), Chappo Type Locality (Late Palaeocene), Lane's Little Jaw Site (Maastrichtian), Muddy Tork (Maastrichtian), PTRM-V92067 (Maastrichtian)

See also Mesodma, Mesodma ambigua, Mesodma formosa, Mesodma hensleighi, Mesodma pygmaea, Mesodma thompsoni