Abundance: 9.79 to 36.99% (median 16.16%)

Latitudinal range: 42.8° to 43.9°

Habitats: (6) only

Found in 6 samples

United States: Brecht Ranch (Late Eocene), Dead Horse (Early Oligocene), Rabbit Graveyard (Green Marker Level) (Early Oligocene), Rabbit Graveyard (Lumpy Level) (Early Oligocene), Bartlett High (Early Oligocene), Bloom Basin (BADL-LOC-0293) (Early Oligocene)

See also Leptomeryx evansi, Leptomeryx sp.