Abundance: 0.07 to 20.81% (median 1.35%)

Latitudinal range: 16.7° to 39.3°

Habitats: (11) only

Found in 11 samples

Mexico: La Playa, Santa Marta rock-shelter

United States: Zesch Cave, Vess Cave, Harrodsburg Crevice, First American Bank Site (Feature 1), Bluegrass (micro), Scripps Poway Parkway (Feature F), Scripps Poway Parkway (Feature E), Schuiling Cave, Smith Creek Canyon (Reddish-brown Silt)

See also Crotalus, Crotalus adamanteus, Crotalus atrox, Crotalus basiliscus, Crotalus cerastes, Crotalus durissus, Crotalus horridus, Crotalus lepidus, Crotalus molossus, Crotalus molussus, Crotalus ravus, Crotalus scutulatus, Crotalus tzabcan