Russell's viper
daboia
bushmaster
ticpolonga
adder
river jack
mamushi
asp
hornsman
sand viper
horned asp
gwarda
horned viper
carpet viper
cerastes
Cerastes cornutus
viper
rhodocytin
surucucu
viperish
hognose
Bothrops atrops
fer-de-lance
mapepire
convulxin
dendroaspin
viperine
Denisonia superba
copperhead
Gaboon
Boettger's two-headed snake
western diamondback rattlesnake
candoxin
falx
horned snake
nigroviriditoxin
twig snake
spitter
viperess
lebectin
Gaboon viper
genus Pseudechis
Pseudechis
reticulated whipsnake
cottonmouth
water moccasin
Agkistrodon piscivorus
cottonmouth moccasin
envenomization
taipan