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