Abundance: 2.45 to 11.84% (median 6.89%)

Latitudinal range: 29.2° to 39.3°

Habitats: (2), desert/xeric shrubland (3)

Found in 5 samples

Mexico: Mexico Highway 16

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

See also Rhinocheilus, Rhinocheilus sp.