Abundance: 1.03 to 2.91% (median 1.66%)

Latitudinal range: 39.2° to 43.2°

Habitats: (3) only

Found in 3 samples

United States: Elderberry Canyon Quarry (Early Eocene), Green Locality (Early Eocene), Someday (Early Eocene)

See also Antiacodon pygmaeus