Abundance: 0.11 to 1.36% (median 0.14%)

Latitudinal range: 32.6° to 44.3°

Habitats: (5) only

Found in 5 samples

Canada: Irving-Johnston (Holocene), Spillsbury Bay (Holocene)

United States: Dust Cave (Zones T and U) (Holocene), Watson Brake (6.4 mm fraction) (Holocene), Scovill (Holocene)

See also Stizostedion canadense, Stizostedion sp.