Viperidae Oppel, 1811
Crotalus adamanteus Palisot DE Beauvois, 1799
Crotalus aquilus Klauber, 1952
Crotalus atrox Baird & Girard, 1853
Crotalus basiliscus Cope, 1864
Crotalus caliginis Klauber, 1949
Crotalus catalinensis Cliff, 1954
Crotalus cerastes Hallowell, 1854
Crotalus durissus Linnaeus, 1758
Crotalus enyo Cope, 1861
Crotalus horridus Linnaeus, 1758
Crotalus intermedius Troschel, 1865
Crotalus lannomi Tanner, 1966
Crotalus lepidus Kennicott, 1861
Crotalus mitchelli Cope, 1861
Crotalus molossus Baird & Girard, 1853
Crotalus oreganus Holbrook, 1840
Crotalus polystictus Cope, 1865
Crotalus pricei Van Denburgh, 1895
Crotalus pusillus Klauber, 1952
Crotalus ruber Cope, 1892
Crotalus scutulatus Kennicott, 1861
Crotalus stejnegeri Dunn, 1919
Crotalus tancitarensis Alvarado-Díaz & Campbell, 2004
Crotalus tigris Kennicott, 1859
Crotalus tortugensis Van & Denburgh, 1921
Crotalus transversus Taylor, 1944
Crotalus triseriatus Wagler, 1830
Crotalus unicolor Lidth DE Jeude, 1887
Crotalus vegrandis Klauber, 1941
Crotalus virgandis
Crotalus viridis Rafinesque, 1818
Crotalus willardi Meek, 1905
