Latitudinal range: 45.7° to 49.3°

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.