Crotalinae (Pit Vipers)

Agkistrodon bilineatus

Agkistrodon blomhoffi (mamushi)

Agkistrodon contortrix

Agkistrodon piscivorus (cottonmouth)

Atropoides

Atropoides nummifer

Atropoides picado

Bothriechis

Bothriechis lateralis

Bothriechis nigroviridis

Bothriechis schlegelii (Eyelash Viper)

Bothriopsis

Bothriopsis bilineata

Bothriopsis taeniata

Bothrops

Bothrops alternatus

Bothrops asper (terciopelo)

Bothrops atrox (barba amarilla)

Bothrops cotiara

Bothrops erythromelas

Bothrops godmani

Bothrops insularis (island jararaca)

Bothrops jararaca (jararaca)

Bothrops jararacussu (jararacussu)

Calloselasma

Calloselasma rhodostoma (Malayan pit viper)

Cerrophidion

Cerrophidion godmani

Crotalus

Crotalus adamanteus (Eastern Diamondback Rattlesnake)

Crotalus aquilus

Crotalus atrox (western diamondback rattlesnake)

Crotalus basiliscus

Crotalus cerastes

Crotalus durissus (Neotropical Rattlesnakes)

Crotalus horridus (timber rattlesnake)

Crotalus lepidus -lepidus, klauberi (Mottled, Banded Rock Rattlesnakes)

Crotalus molossus (blacktail rattlesnake)

Crotalus pricei

Crotalus ruber (red diamond rattlesnake)

Crotalus scutulatus (Mojave rattlesnake)

Crotalus tigris (Tiger Rattlesnake)

Crotalus triseriatus

Crotalus viridis (western rattlesnake)

Deinagkistrodon

Deinagkistrodon acutus

Gloydius

Gloydius brevicaudus

Gloydius brevicauodus

Gloydius halys (halys viper)

Gloydius intermedius

Gloydius saxatilis

Gloydius shedaoensis

Gloydius strauchi

Gloydius strauchii

Gloydius ussuriensis

Hypnale

Hypnale hypnale

Lachesis

Lachesis muta (bushmaster)

Lachesis stenophrys

Ophryacus

Ophryacus melanurus

Ophryacus undulatus

Ovophis

Ovophis monticola

Ovophis okinavensis (himehabu)

Porthidium

Porthidium hyoprora

Porthidium nasuta

Porthidium nasuta

Porthidium nasutum

Porthidium ophryomegas

Protobotrops

Protobotrops mucrosquamatus

Sistrurus

Sistrurus catenatus (massasauga)

Sistrurus miliarius (pigmy rattlesnake)

Sistrurus ravus

Trimeresurus

Protobothrops elegans

Protobothrops flavoviridis

Protobothrops tokarensis

Trimeresurus albolabris (green pit viper)

Trimeresurus cantori

Trimeresurus elegans (sakishima habu)

Trimeresurus flavoviridis (habu)

Trimeresurus gramineus (Indian green tree viper)

Trimeresurus mucrosquamatus (Chinese habu)

Trimeresurus stejnegeri (Chinese green tree viper)

Trimeresurus tokarensis

Tropidolaemus

Tropidolaemus wagleri (Wagler's pit viper)