Abundance: 0.80 to 2.50% (median 1.63%)

Latitudinal range: 42.3° to 51.5°

Habitats: (3) only

Found in 3 samples

France: Mas de Gimel (Early Eocene)

United Kingdom: Abbey Wood (Early Eocene)

United States: Buck Spring Quarries (B-2 horizon) (Early Eocene)

See also Macrocranion, Macrocranion nitens, Macrocranion vandebroeki