Abundance: 0.07 to 11.84% (median 5.83%)

Latitudinal range: 29.2° to 39.3°

Habitats: (3), desert/xeric shrubland (3)

Found in 6 samples

Mexico: Mexico Highway 16

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

See also Rhinocheilus lecontei, Rhinocheilus sp.