Latitudinal range: 19.5° to 39.3°

Habitats: desert/xeric shrubland (3), tropical/subtropical dry broadleaf forest (1)

Found in 5 samples

Mexico: Mexico Highway 16, Chamela Biosphere Reserve (disturbed)

United States: Maricopa Road (MR-238), Sun Valley Parkway, Smith Creek Canyon (Reddish-brown Silt) (Late Pleistocene)

See also Hypsiglena