The type locality given is "Table Land, Mexico", although a restriction to "Tupátaro, Guanajuanto, Mexico" was proposed by H.M. Smith and Taylor (1950).
Crotalus oreganus | Crotalus horridus | Crotalus ruber | Crotalus oreganus caliginis | Crotalus cerastes | Crotalus atrox | Battus polystictus |