Pit Vipers
Crotalinae
The Crotalinae, commonly known as pit vipers, crotaline snakes (named for the Ancient Greek: κρόταλον krotalon castanet/rattle of a rattlesnake's tail), or pit adders, are a subfamily of venomous vipers found in Eurasia and the Americas. They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on both sides of the head. Currently, 18 genera and 151 species are recognized: seven genera and 54 species in the Old...
23 branches of this subfamily, most-observed first · about 310 known species
Rattlesnakes
genusCrotalus
Copperheads, Cottonmouths, and Cantils
genusAgkistrodon
Asian Lanceheads
genusTrimeresurus
Neotropical Lanceheads
genusBothrops
Massasaugas
genusSistrurus
Palm Vipers
genusBothriechis
Temple Vipers
genusTropidolaemus
Protobothrops
genusProtobothrops
Craspedocephalus
genusCraspedocephalus
Asian Moccasins
genusGloydius
Hognosed Vipers
genusPorthidium
Mountain Pit Vipers
genusOvophis
Hump-nosed Vipers
genusHypnale
Bushmasters
genusLachesis
Chinese Moccasins
genusDeinagkistrodon
Malayan Pit Vipers
genusCalloselasma
Jumping Pit Vipers
genusMetlapilcoatlus
Montane Pitvipers
genusCerrophidion
Toad-headed Pitvipers
genusBothrocophias
Mexican Horned Pitvipers
genusOphryacus
Chasen’s Mountain Pit Vipers
genusGarthius
Mixcoatlus
genusMixcoatlus
Picado's Pit Vipers
genusAtropoides
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Crotalinae in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 797576.