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| Amazonian toad-headed pitviper SA | | Andean forest pitviper | | Arizona black rattlesnake EU ,NA | Arizona Ridgenose rattlesnake
(Willards rattlesnake
(Nominate subspecies)) NA | | Armstrong's Dusky Rattlesnake nEU,NA | | Aruba Island rattlesnake nEU,EU ,NA,AU,SA | Ashy pitviper
(Flat-nosed pitviper)
(Javanese pit viper) EU ,nEU,NA | Baja California rattlesnake
(Nominate subspecies) EU | | Banded rock rattlesnake EU ,nEU,NA | | Barnett's Lancehead NA | Basilisk rattlesnake
(Mexican west-coast rattlesnake) EU ,NA | | Beautiful pitviper EU ,nEU,AS,NA | | Black-headed bushmaster NA,EU ,nEU | | Black-speckled palm-pitviper NA | Black-tailed horned pitviper
(Black-tailed montane pitviper) nEU,NA | Black-tailed rattlesnake
(No Subspecific status) NA | | Blotched palm-pit viper | | Bornean tree viper nEU,NA | | Bourret`s pitviper nEU,EU | | Brazilian lancehead SA,NA,nEU | | Broad-banded copperhead EU ,NA | | Brongersma's Pit viper NA | | Caatinga lancehead NA,EU | Cameron Highlands pitviper
(Clouded Pit viper) EU | | Cane-brake rattlesnake EU ,nEU,NA | | Carolina pygmy rattlesnake nEU,EU ,NA | | Cascabel rattlesnake NA,EU | Cascabel rattlesnake
(South American rattlesnake)
(No Subspecific status) NA,EU ,nEU,SA,AS | | Catalina Island rattlesnake EU ,NA | | Caucasus pitviper | | Central American bushmaster EU ,NA | | Central American rattlesnake EU ,NA | | Central Asian pitviper nEU | Central plateau dusky rattlesnake
(Mexican dusky rattlesnake) NA | Ceylon pitviper
(Sri Lankan pitviper) EU ,nEU,NA,AS | | Chaco lancehead | | Chameleon Rattlesnake | | Chihuahuan ridge-nosed rattlesnake NA | Chinese habu
(Taiwan habu) nEU,EU ,NA | Chinese moccasin
(Hundred-pace viper) EU ,nEU,AS,NA | Chinese tree viper
(Stejneger's pit viper) EU ,nEU | Coffee palm viper
(Side-striped palm-pitviper) NA | Colombian toadheaded pitviper
(Munchique's rufous lancehead) | | Colorado desert sidewinder | | Common bamboo pitviper EU | Common lancehead
(Barba Amarilla) SA,EU ,NA | Copperhead
(No Subspecific status) NA,EU ,nEU,AF | | Coronado Island rattlesnake EU | | Costa Rican Hog-nosed pitviper | | Costa Rican montane viper | Cottonmouth
(no subspecific status) NA,EU ,nEU | | Del Nido ridge-nosed rattlesnake NA | | Desert massasauga NA | | Dusky pygmy rattlesnake EU ,nEU,NA | | Eastern Black-tailed rattlesnake EU ,NA | | Eastern cottonmouth | | Eastern diamondback rattlesnake EU ,NA,nEU,AU | | Ecuadorian toadheaded pitviper SA | | El Muerto Island speckled rattlesnake EU | Eyelash viper
(Eyelash mountain viper) EU ,nEU,NA,AS,SA,AU | | Fan-Si-Pan horned pitviper NA,nEU,EU | | Florida cottonmouth NA | | Godman's montane pit viper NA | | Golden lancehead | | Grand Canyon rattlesnake NA | | Great Basin rattlesnake nEU,EU ,NA | Green pit viper
(Redtail pit viper) nEU | | Gumprecht’s green pitviper EU ,nEU | Hagen's pit viper
(Hagen's green pit viper) nEU | Halys pit viper
(no subspecies status) EU | | Honduras montane pitviper | | Hopi rattlesnake EU ,NA | | Huamantlan rattlesnake nEU,NA | Hump-nosed moccasin
(Merrem's hump-nosed viper) AS,NA | | Isla Angel Rattlesnake EU | Jampea Island viper
(Djampea Island viper)
(Banded pit viper) AS | | Jararaca lancehead NA | | Jararacussu lancehead EU ,SA | Jerdon's pitviper
(No Subspecific status) nEU,NA | | Jumping pitviper NA | Kanburi pit viper
(Kanchanaburi pit viper) nEU,NA | | Karaganda pit viper nEU,EU ,NA | Kramer's pit viper
(Large-eyed pitviper) AS,EU ,nEU | Lansberg's hognose viper
(No Subspecific status) nEU | Lansberg's hognose viper
(Nominate subspecies) | | Lojan lancehead SA | Lower california rattlesnake
(Baja California rattlesnake)
(No Subspecific status) nEU,EU ,NA | | Malabarian pit viper NA | Malayan brown pit viper
(Indo-Malayan mountain pitviper) nEU,NA | | Malayan pit viper nEU,EU ,AS,NA | | Mamushi AS | | Manabi Hognosed-pitviper SA | Mangrove pitviper
(Shore pitviper) EU ,nEU,NA,AS | Mangshan pitviper
(Mang Mountain pit viper) NA,EU ,nEU | | Marajoan rattlesnake | | March's palm pit viper | Martinique lancehead
(Martinican pit viper) | Massasauga
(Eastern Massasauga) NA,EU | Mcgregor's pitviper
(McGregor's tree viper) NA,EU | | Mexican black-tailed rattlesnake EU | Mexican horned pitviper
(Slender-horned Pitviper) EU | | Mexican jumping viper NA,nEU | | Mexican lance-headed rattlesnake EU ,NA | Mexican moccasin
(Common cantil) NA,EU ,nEU,AU | Mexican pygmy rattlesnake
(Mexican massasauga)
(No Subspecific status) nEU | Midget faded rattlesnake
(Faded rattlesnake) NA | | Mojave desert sidewinder nEU,NA | Mojave rattlesnake
(No Subspecific status) EU ,NA | Mojave rattlesnake
(Nominate subspecies) NA | | Mottled rock rattlesnake nEU,NA | Mountain pit viper
(no species or subspecies status) | | Mountain pitviper nEU | | Neuwied's lancehead SA | North Philippine temple pitviper
(Mindanao temple pitviper)
(Bornean green keeled pitviper) EU ,nEU,AS | | Northern black-tailed rattlesnake EU ,nEU,NA | | Northern copperhead EU ,NA | | Northern Pacific rattlesnake NA,EU | | Northwest Neotropical rattlesnake EU ,nEU,NA,SA | | Oaxacan black-tailed rattlesnake EU | | Oaxacan pygmy rattlesnake EU | Okinawa habu
(Habu snake) nEU,AS,NA | | Okinawan habu nEU,EU ,AS,NA | | Omkoi lance-headed pitviper AS | | Osage copperhead NA | | Panamint rattlesnake nEU,EU ,NA | Philippine habu
(Philippine pitviper) EU ,nEU,NA,AS | Picado's pit viper
(Picado's jumping pitviper) NA,EU | Pope’s tree viper
(Pope's bamboo pitviper) EU ,nEU,AS | Prairie rattlesnake
(No Subspecific status) NA,nEU,EU ,AS | Prairie rattlesnake
(Nominate subspecies) EU ,NA | Pygmy rattlesnake
(Dwarf rattlesnake)
(no subspecies status) EU ,NA | Quang Binh pitviper
(Truong Son pit viper) | | Queretaran dusky rattlesnake nEU,NA | | Rainforest hognosed pitviper NA | Red diamond rattlesnake
(no subspecies status) EU ,nEU,NA | Red diamond rattlesnake
(Nominate subspecies) nEU,NA | | Red-spotted pitviper nEU | Ridgenose rattlesnake
(no subspecific status) EU ,NA | | Rio Leon lancehead SA | Rock mamushi
(Korean mamushi snake) | Rock rattlesnake
(No Subspecific status) EU ,AS,NA | | Rosario rattlesnake EU | | Rowley\'s palm pitviper NA | | Roze's Hog-nosed pit-viper NA | Saint Lucia Lancehead
(Saint Lucia Viper) NA | Sakishima habu
(Elegant pitviper) nEU,EU ,NA | | San Lucan speckled rattlesnake | | Schultze's pit viper EU | Short-tailed mamushi
(Chinese mamushi)
(Korean mamushi) AS | | Siamese peninsula pitviper NA | | Siberian pitviper | Sidewinder
(No Subspecific status) AS,EU ,NA | | Slender hognose viper NA,EU | | Small-eyed toad-headed pit viper SA | | Sonoran desert sidewinder EU ,nEU,NA | | South American bushmaster EU ,nEU,NA,SA | | South American rattlesnake EU | Southern Cantil
(Gloyd’s Moccasin snake) NA | | Southern copperhead EU ,nEU,NA | | Southern Pacific rattlesnake EU ,nEU,NA | | Southern Ridge-nosed rattlesnake NA | | Southwestern speckled rattlesnake NA,EU | | Speckled forest pitviper NA,SA | Speckled rattlesnake
(No species or subspecies status) nEU,EU ,NA | Spotted lancehead
(Chocoan lancehead)
(Chocoan forest pit viper) | Sumatran pit viper
(Sumatra Pit Viper) NA,nEU,AS | Taiwan mountain pitviper
(Kikuchi habu) | Taiwan mountain pitviper
(Oriental mountan pitviper) nEU,NA | | Tamaulipan rock rattlesnake EU ,NA | Taylor s moccasin
(Taylor`s cantil) EU ,nEU,NA | Terciopelo
(Lancehead pitviper) EU ,NA,SA | | Three horned-scaled pitviper nEU | | Tiger rattlesnake EU ,NA | Timber rattlesnake
(No Subspecific status) NA,EU | Timber rattlesnake
(Nominate subspecies) EU ,NA | | Tlaloc's rattlesnake EU | Tokara habu
(Tokaren pit viper) nEU,EU ,NA | | Tonkin pit viper nEU,NA | | Tortuga Island rattlesnake NA | | Trans-Pecos copperhead EU ,NA | | Trungkhanh pitviper nEU | Tuxtlan jumping pitviper
(Olmecan pit viper) EU | | Twin-spotted rattlesnake NA | Two-striped forest-pitviper
(Amazonian palm viper)
(Green Jararaca) NA | | Uracoan rattlesnake EU ,nEU,AS,NA | Urutu
(Crossed pit viper) EU ,nEU,NA,SA | Ussuri mamushi
(Ussuri pit viper) nEU | | Venezuela Lancehead EU | | Venezuelan rattlesnake EU ,SA,NA | | Vogel’s pitviper EU ,nEU,NA | Wagler's temple pitviper
(Temple pitviper) nEU,AS,NA | | Western cottonmouth NA | | Western diamondback rattlesnake EU ,nEU,AS,AF,NA | | Western massasauga EU ,NA | | Western pygmy rattlesnake EU ,NA | Western rattlesnake
(No Subspecific status) EU ,NA | | Wetar Island tree viper NA,EU ,nEU,AS | White-lipped tree viper
(White-lipped pitviper) EU ,nEU,NA,AS | | White-tailed Hog-nosed Pitviper | Yellow-blotched palm pit viper
(Guatemalan palm viper) NA | | Yucatan neotropical rattlesnake EU ,NA | Yunnan bamboo pitviper
(Yunnan pitviper) EU | |
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Desert massasauga
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Sistrurus tergeminus edwardsii
(Syn.: Sistrurus catenatus edwardsi)
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(BAIRD & GIRARD, 1853) |
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