Pit vipers are venomous snakes in the subfamily Crotalinae in the family Viperidae. They are named as such for the heat-sensing pit organ located between the eye and the nostril on both sides of the head.

Species

• ground_pit_viper
• american_ground_pit_viper (Agkistrodon)
• american_copperhead (A. contortrix)
• cottonmouth (A. piscivorus)
• asian_ground_pit_viper (Gloydius)
• japanese_mamushi (G. blomhoffii)
• siberian_pit_viper (G. halys)
• bushmaster (Lachesis)
• humpnosed_viper (Hypnale)
• malayan_ground_pit_viper (Calloselasma)
• hog-nosed_pit_viper (Porthidium)
• hundred-pace viper (Deinagkistrodon)
• lancehead
• american_lancehead (Bothrops, include Bothrocophias_andianus)
• jumping_pit_viper (Atropoides)
• mexican_horned_pit_viper (Ophryacus)
• mountain_pit_viper
• american_mountain_pit_viper (Cerrophidion) - montane pit vipers
• asian_mountain_pit_viper (Ovophis)
• mount_kinabalu_pit_viper (Garthius)
• cloud_montane_pit_viper (Mixcoatlus)
• palm_pit_viper
• american_palm_pit_viper (Bothriechis)
• protobothrops
• rattlesnake (Crotalus)
• baja_rattlesnake (Crotalus enyo)
• black-tailed_rattlesnake (Crotalus molossus)
• diamondback_rattlesnake
• eastern_diamondback_snake (Crotalus adamanteus)
• red_diamond_rattlesnake (Crotalus ruber) - Red diamond rattlesnake, Western diamondback snake, and Western rattlesnake are similar in appearance.
• western_diamondback_snake (Crotalus atrox)
• western_rattlesnake (Crotalus oreganus)
• mexican_lance-headed_rattlesnake (Crotalus polystictus)
• mohave_rattlesnake (Crotalus scutulatus)
• rock_rattlesnake (Crotalus lepidus)
• sidewinder (Crotalus cerastes)
• south_american_rattlesnake (Crotalus durissus)
• speckled_rattlesnake (Crotalus mitchellii)
• timber_rattlesnake (Crotalus horridus)
• sistrurus
• massasauga (S. catenatus)
• pygmy_rattlesnake (S. miliarius)
• mexican_pygmy_rattlesnake (Crotalus ravus - may need to be moved)
• toad-headed_pit_viper (Bothrocophias, except Bothrocophias_andianus)

External links

• https://en.wikipedia.org/wiki/Pit_viper
• https://en.wikipedia.org/wiki/List_of_crotaline_species_and_subspecies

See also

• reptile
• snake
• alethinophidian
• afrophidian
• caenophidian
• colubroid
• viper
• pit_viper