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CAENOPHIDIA: SNAKES!!!

The vast majority of snakes belong to this clade. The caenophidians include a variety of slithering critters you wouldn't wish to meet in a dark alleyway, from vipers and asps to the mighty cobras. Also included are more benign forms of serpent.

	Bolyerioidea \| Xenophidiidae Xenophidion
	Bolyerioidea \| Bolyeriidae Bolyeria
	Bolyerioidea \| Bolyeriidae Casarea
	Anomalophioidea \| Anomalophiidae †Anomalophis
	Russellophioidea \| Russellophiidae †Krebsophis
	Russellophioidea \| Russellophiidae †Russellophis
	Acrochordoidea \| Nigerophiidae †Nigerophis
	Acrochordoidea \| Palaeophiidae \| Archaeophinae †Archaeophis
	Acrochordoidea \| Palaeophiidae \| Palaeophiiinae †Palaeophis
	Acrochordoidea \| Palaeophiidae \| Palaeophiiinae †Pterosphenus
	Acrochordoidea \| Acrochordidae Acrochordus
	Colubroides \| Xenodermidae Achalinus
	Colubroides \| Xenodermidae Fimbrios
	Colubroides \| Xenodermidae Parafimbrios
	Colubroides \| Xenodermidae Paraxenodermus
	Colubroides \| Xenodermidae Stoliczkia
	Colubroides \| Xenodermidae Xenodermus
	Colubroides \| Colubriformes \| Pareidae \| Pareinae Aplopeltura
	Colubroides \| Colubriformes \| Pareidae \| Pareinae Asthenodipsas
	Colubroides \| Colubriformes \| Pareidae \| Pareinae Pareas
	Colubroides \| Colubriformes \| Pareidae \| Xylophiinae Xylophis
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Atheris
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Bitis
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Cerastes
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Daboia
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Echis
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Eristicophis
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Macrovipera
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Montatheris
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Montivipera
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Proatheris
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Pseudocerastes
	Colubroides \| Colubriformes \| Viperidae \| Viperinae Vipera
	Colubroides \| Colubriformes \| Viperidae \| Azemiopinae Azemiops
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Agkistrodon
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Atropoides
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Bothriechis
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Bothrocophias
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Bothrops
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Calloselasma
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Cerrophidion
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Craspedocephalus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Crotalus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Deinagkistrodon
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Garthius
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Gloydius
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Hypnale
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Lachesis
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Metlapilcoatlus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Mixcoatlus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Ophryacus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Ovophis
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Porthidium
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Protobothrops
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Sistrurus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Trimeresurus
	Colubroides \| Colubriformes \| Viperidae \| Crotalinae Tropidolaemus
	Colubroides \| Colubriformes \| Homalopsidae Bitia
	Colubroides \| Colubriformes \| Homalopsidae Brachyorrhos
	Colubroides \| Colubriformes \| Homalopsidae Calamophis
	Colubroides \| Colubriformes \| Homalopsidae Cantoria
	Colubroides \| Colubriformes \| Homalopsidae Cerberus
	Colubroides \| Colubriformes \| Homalopsidae Dieurostus
	Colubroides \| Colubriformes \| Homalopsidae Djokoiskandarus
	Colubroides \| Colubriformes \| Homalopsidae Enhydris
	Colubroides \| Colubriformes \| Homalopsidae Erpeton
	Colubroides \| Colubriformes \| Homalopsidae Ferania
	Colubroides \| Colubriformes \| Homalopsidae Fordonia
	Colubroides \| Colubriformes \| Homalopsidae Gerarda
	Colubroides \| Colubriformes \| Homalopsidae Gyiophis
	Colubroides \| Colubriformes \| Homalopsidae Heurnia
	Colubroides \| Colubriformes \| Homalopsidae Homalophis
	Colubroides \| Colubriformes \| Homalopsidae Homalopsis
	Colubroides \| Colubriformes \| Homalopsidae Hypsiscopus
	Colubroides \| Colubriformes \| Homalopsidae Karnsophis
	Colubroides \| Colubriformes \| Homalopsidae Kualatahan
	Colubroides \| Colubriformes \| Homalopsidae Mintonophis
	Colubroides \| Colubriformes \| Homalopsidae Miralia
	Colubroides \| Colubriformes \| Homalopsidae Myanophis
	Colubroides \| Colubriformes \| Homalopsidae Myron
	Colubroides \| Colubriformes \| Homalopsidae Myrrophis
	Colubroides \| Colubriformes \| Homalopsidae Phytolopsis
	Colubroides \| Colubriformes \| Homalopsidae Pseudoferania
	Colubroides \| Colubriformes \| Homalopsidae Raclitia
	Colubroides \| Colubriformes \| Homalopsidae Subsessor
	Colubroides \| Colubriformes \| Homalopsidae Sumatranus
	Colubroides \| Colubriformes \| Elapoidea Buhoma
	Colubroides \| Colubriformes \| Elapoidea \| Prosymnidae Prosymna
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Pseudaspidinae Pseudaspis
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Pseudaspidinae Pythonodipsas
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Pseudaspidinae Psammodynastes
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Dipsina
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Hemirhagerrhis
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Kladirostratus
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Malpolon
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Mimophis
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Psammophis
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Psammophylax
	Colubroides \| Colubriformes \| Elapoidea \| Psammophiidae \| Psammophiinae Rhamphiophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Amplorhininae Amplorhinus
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Amplorhininae Ditypophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Amplorhininae Duberria
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Alluaudina
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Brygophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Compsophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Dromicodryas
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Elapotinus
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Heteroliodon
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Ithycyphus
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Langaha
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Leioheterodon
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Liophidium
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Liopholidophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Lycodryas
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Madagascarophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Micropisthodon
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Pararhadinaea
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Parastenophis
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Phisalixella
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Pseudoxyrhopus
	Colubroides \| Colubriformes \| Elapoidea \| Pseudoxyrhophiidae \| Pseudoxyrhophiinae Thamnosophis
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Micrelapiinae Micrelaps
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Alopecion
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Boaedon
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Bofa
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Bothrolycus
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Bothrophthalmus
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Chamaelycus
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Dendrolycus
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Gonionotophis
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Gracililima
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Hormonotus
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Inyoka
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Lamprophis
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Limaformosa
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Lycodonomorphus
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Lycophidion
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Mehelya
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Montaspis
	Colubroides \| Colubriformes \| Elapoidea \| Lamprophiidae \| Lamprophiinae Pseudoboodon
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae Elapsoidea
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Calliophiinae Calliophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Calliophiinae Hemibungarus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Calliophiinae Sinomicrurus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Micrurinae Micruroides
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Micrurinae Micrurus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Najinae Naja
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Bungarinae Bungarus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Acanthophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Aipysurus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Antaioserpens
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Aspidomorphus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Austrelaps
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Brachyurophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Cacophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Cryptophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Demansia
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Denisonia
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Drysdalia
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Echiopsis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Elapognathus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Emydocephalus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Ephalophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Furina
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Hemiaspis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Hoplocephalus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Hydrelaps
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Hydrophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Loveridgelaps
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Micropechis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Neelaps
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Notechis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Ogmodon
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Oxyuranus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Parahydrophis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Parapistocalamus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Paroplocephalus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Pseudechis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Pseudonaja
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Rhinoplocephalus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Salomonelaps
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Simoselaps
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Suta
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Toxicocalamus
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Tropidechis
	Colubroides \| Colubriformes \| Elapoidea \| Elapidae \| Hydrophiinae Vermicella
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Cyclocorinae Cyclocorus
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Cyclocorinae Hologerrhum
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Cyclocorinae Myersophis
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Cyclocorinae Oxyrhabdium
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Cyclocorinae Levitonius
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Amblyodipsas
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Aparallactus
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Atractaspis
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Brachyophis
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Chilorhinophis
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Hypotophis
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Homoroselaps
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Macrelaps
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Poecilopholis
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Polemon
	Colubroides \| Colubriformes \| Elapoidea \| Atractaspididae \| Atractaspidinae Xenocalamus
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