Abundance: 1.18 to 6.10% (median 3.57%)

Latitudinal range: 45.7° to 49.3°

Habitats: (5) only

Found in 5 samples

Canada: Gryde (Maastrichtian)

United States: Lane's Little Jaw Site (Maastrichtian), Muddy Tork (Maastrichtian), Spigot-Bottle (Maastrichtian), Z-Line Quarry East (Early Palaeocene)

See also Leptalestes cooki, Leptalestes krejcii, Leptalestes sp.