Abundance: 0.10 to 0.41% (median 0.36%)

Latitudinal range: 44.7° to 46.2°

Habitats: (3) only

Found in 3 samples

United States: Gidley Quarry (Early Palaeocene), Cedar Point Quarry (Late Palaeocene), Divide Quarry (Middle Palaeocene)

See also Leptonysson basiliscus, Leptonysson orthius