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Organism
Animalia
Bilateria
Deuterostomia
Chordata
Vertebrata
Gnathostomata
Tetrapoda
Reptilia
[Anapsida]
[Archosauria]
[Diapsida]
[Lepidosauria]
Squamata
[Lacertilia]
[Sauria]
Serpentes
Alethinophidia
Viperidae
Azemiopinae
Azemiops
Azemiops feae
Causinae
Causus
Causus bilineatus
Causus defilippii
Causus lichtensteinii
Causus maculatus
Causus resimus
Causus rhombeatus
Crotalinae
Agkistrodon
Agkistrodon bilineatus
Agkistrodon bilineatus bilineatus
Agkistrodon bilineatus howardgloydi
Agkistrodon bilineatus russeolus
Agkistrodon bilineatus taylori
Agkistrodon contortrix
Agkistrodon contortrix contortrix
[
Agkistrodon mokeson austrinus
]
Agkistrodon contortrix laticinctus
[
Agkistrodon mokeson laticinctus
]
Agkistrodon contortrix mokasen
Agkistrodon contortrix phaeogaster
Agkistrodon contortrix pictigaster
[
Agkistrodon mokeson pictigaster
]
Agkistrodon mokeson
Agkistrodon piscivorus
[
Crotalus piscivorus
]
Agkistrodon piscivorus conanti
Agkistrodon piscivorus leucostoma
Agkistrodon piscivorus piscivorus
Agkistrodon piscivorus leucostoma (?)
Atropoides
Atropoides nummifer
[
Bothrops nummifer
]
Atropoides nummifer mexicanus
Atropoides nummifer nummifer
Atropoides nummifer occiduus
Atropoides olmec
Atropoides picadoi
Bothriechis
Bothriechis aurifer
Bothriechis bicolor
Bothriechis lateralis
Bothriechis marchi
Bothriechis nigroviridis
Bothriechis rowleyi
Bothriechis schlegelii
[
Bothrops schlegelii
]
Bothriopsis
Bothriopsis bilineata
Bothriopsis bilineata bilineata
Bothriopsis bilineata smaragdinus
Bothriopsis bilineata smaragdina
Bothriopsis medusa
Bothriopsis oligolepis
Bothriopsis peruviana
Bothriopsis pulchra
Bothriopsis punctata
Bothriopsis taeniata
Bothriopsis taeniata lichenosa
Bothriopsis taeniata taeniata
Bothrops
Bothrops alternatus
Bothrops ammodytoides
Bothrops andianus
Bothrops asper
Bothrops atrox
Bothrops barnetti
Bothrops brazili
Bothrops campbelli
Bothrops caribbaeus
Bothrops colombianus
Bothrops cotiara
Bothrops erythromelas
Bothrops fonsecai
Bothrops hyoprora
Bothrops hyoprorus
Bothrops iglesiasi
Bothrops insularis
Bothrops itapetiningae
Bothrops jararaca
Bothrops jararacussu
Bothrops jonathani
Bothrops lanceolatus
Bothrops leucurus
Bothrops lojanus
Bothrops marajoensis
Bothrops microphthalmus
Bothrops moojeni
Bothrops neuwiedi
Bothrops neuwiedi bolivianus
Bothrops neuwiedi diporus
Bothrops neuwiedi goyazensis
Bothrops neuwiedi lutzi
Bothrops neuwiedi mattogrossensis
Bothrops neuwiedi meridionalis
Bothrops neuwiedi neuwiedi
Bothrops neuwiedi paramanensis
Bothrops neuwiedi pauloensis
Bothrops neuwiedi piauhyensis
Bothrops neuwiedi pubescens
Bothrops neuwiedi urutu
Bothrops pictus
Bothrops pirajai
Bothrops pradoi
Bothrops sanctaecrucis
Bothrops venezuelensis
Calloselasma
Calloselasma rhodostoma
Cerrophidion
Cerrophidion barbouri
Cerrophidion godmani
Cerrophidion tzotzilorum
Crotalus
Crotalus adamanteus
Crotalus aquilus
Crotalus atrox
Crotalus basiliscus
Crotalus catalinensis
Crotalus cerastes
Crotalus cerastes cerastes
Crotalus cerastes cercobombus
Crotalus cerastes laterorepens
Crotalus cerberus
Crotalus concolor
Crotalus confluentus
Crotalus durissus
Crotalus durissus cumanensis
Crotalus durissus durissus
[
Crotalus durissus dryinus
]
Crotalus durissus marajoensis
Crotalus durissus maricelae
Crotalus durissus ruruima
Crotalus durissus terrificus
[
Crotalus durissus cascavella
]
[
Crotalus durissus collilineatus
]
Crotalus durissus trigonicus
Crotalus durissus unicolor
[
Crotalus horridus unicolor
]
Crotalus durissus vegrandis
Crotalus durissus culminatus
Crotalus durissus tzabcan
Crotalus enyo
Crotalus enyo cerralvensis
Crotalus enyo enyo
Crotalus enyo furvus
Crotalus helleri
Crotalus horridus
[
Crotalus atricaudatus
]
[
Crotalus horridus atricaudatus
]
[
Crotalus horridus horridus
]
Crotalus horridus atricaudatus
Crotalus intermedius
Crotalus intermedius gloydi
Crotalus intermedius intermedius
Crotalus intermedius omiltemanus
Crotalus lannomi
Crotalus lepidus
Crotalus lepidus klauberi
Crotalus lepidus lepidus
Crotalus lepidus maculosus
Crotalus lepidus morulus
Crotalus maricelae
Crotalus mitchelli
Crotalus mitchellii
Crotalus mitchellii angelensis
Crotalus mitchellii mitchellii
Crotalus mitchellii muertensis
Crotalus mitchellii pyrrhus
Crotalus mitchellii stephensi
[
Crotalus confluentus stephensi
]
Crotalus molossus
Crotalus molossus estebanensis
Crotalus molossus molossus
Crotalus molossus nigrescens
Crotalus molossus oaxacus
Crotalus oreganus
[
Crotalus viridis oreganus
]
Crotalus oreganus abyssus
[
Crotalus confluentus abyssus
]
[
Crotalus viridis abyssus
]
Crotalus oreganus caliginis
[
Crotalus viridis caliginis
]
Crotalus oreganus cerberus
[
Crotalus viridis cerberus
]
Crotalus oreganus concolor
[
Crotalus viridis concolor
]
Crotalus oreganus helleri
[
Crotalus viridis helleri
]
Crotalus oreganus lutosus
[
Crotalus confluentus lutosus
]
[
Crotalus viridis lutosus
]
Crotalus oreganus oreganus
Crotalus oreganus herlleri
Crotalus polystictus
Crotalus pricei
Crotalus pricei miquihuanus
Crotalus pricei pricei
Crotalus pusillus
Crotalus ruber
[
Crotalus exsul
]
Crotalus ruber lorenzoensis
Crotalus ruber lucasensis
Crotalus ruber ruber
[
Crotalus adamanteus ruber
]
Crotalus scutulatus
Crotalus scutulatus salvini
Crotalus scutulatus scutulatus
Crotalus simus
Crotalus simus culminatus
[
Crotalus durissus culminatus
]
Crotalus simus simus
Crotalus simus tzabcan
[
Crotalus durissus tzabcan
]
Crotalus stejnegeri
Crotalus tergeminus
Crotalus tigris
Crotalus tortugensis
Crotalus totonacus
[
Crotalus durissus totonacus
]
Crotalus transversus
Crotalus triseriatus
Crotalus triseriatus armstrongi
Crotalus triseriatus triseriatus
Crotalus triseriatus aquilus
Crotalus unicolor
Crotalus urutu
Crotalus viridis
Crotalus viridis nuntius
[
Crotalus confluentus nuntius
]
Crotalus viridis viridis
Crotalus viridis abyssus
Crotalus viridis lutosus
Crotalus viridis oreganus
Crotalus willardi
Crotalus willardi amabilis
Crotalus willardi meridionalis
Crotalus willardi obscurus
Crotalus willardi silus
Crotalus willardi willardi
Deinagkistrodon
Deinagkistrodon acutus
Gloydius
Gloydius blomhoffi
Gloydius blomhoffi blomhoffi
Gloydius blomhoffii
Gloydius blomhoffii blomhoffii
Gloydius blomhoffii brevicaudus
Gloydius blomhoffii dubitatus
Gloydius blomhoffii siniticus
Gloydius halys
Gloydius halys boehmei
Gloydius halys caraganus
Gloydius halys cognatus
Gloydius halys halys
Gloydius halys mogoi
Gloydius himalayanus
Gloydius intermedius
Gloydius intermedius caucasicus
Gloydius intermedius intermedius
Gloydius intermedius stejnegeri
Gloydius monticola
Gloydius saxatilis
Gloydius shedaoensis
Gloydius strauchi
Gloydius ussuriensis
Hypnale
Hypnale hypnale
Hypnale nepa
Hypnale walli
Lachesis
Lachesis melanocephala
Lachesis muta
Lachesis muta muta
Lachesis muta rhombeata
Lachesis stenophrys
Ophryacus
Ophryacus melanurus
[
Porthidium melanurum
]
Ophryacus undulatus
Ovophis
Ovophis chaseni
Ovophis monticola
Ovophis monticola convictus
Ovophis monticola makazayazaya
Ovophis monticola monticola
Ovophis monticola zayuensis
Ovophis monticola zhaokentangi
Ovophis okinavensis
Porthidium
Porthidium dunni
Porthidium hespere
Porthidium lansbergii
Porthidium lansbergii arcosae
Porthidium lansbergii hutmanni
Porthidium lansbergii lansbergii
Porthidium lansbergii rozei
Porthidium nasutum
[
Bothrops nasutus
]
Porthidium nummifer
Porthidium ophryomegas
[
Bothrops ophryomegas
]
Porthidium volcanicum
Porthidium yucatanicum
Sistrurus
Sistrurus catenatus
Sistrurus catenatus catenatus
Sistrurus catenatus edwardsii
Sistrurus catenatus tergeminus
Sistrurus miliarius
[
Crotalus miliarius
]
Sistrurus miliarius barbouri
Sistrurus miliarius miliarius
Sistrurus miliarius streckeri
Sistrurus ravus
Sistrurus ravus brunneus
Sistrurus ravus exiguus
Sistrurus ravus ravus
Trimeresurus
Trimeresurus albolabris
Trimeresurus albolabris albolabris
Trimeresurus albolabris insularis
Trimeresurus albolabris septentrionalis
Trimeresurus borneensis
Trimeresurus brongersmai
Trimeresurus cantori
Trimeresurus cornutus
Trimeresurus elegans
Trimeresurus erythrurus
Trimeresurus fasciatus
Trimeresurus flavomaculatus
Trimeresurus flavomaculatus flavomaculatus
Trimeresurus flavomaculatus halieus
Trimeresurus flavomaculatus mcgregori
Trimeresurus flavoviridis
Trimeresurus gracilis
Trimeresurus gramineus
Trimeresurus hageni
Trimeresurus jerdonii
Trimeresurus jerdonii bourreti
Trimeresurus jerdonii jerdonii
Trimeresurus jerdonii xanthomelas
Trimeresurus kanburiensis
Trimeresurus karanshahi
Trimeresurus kaulbacki
Trimeresurus labialis
Trimeresurus macrolepis
Trimeresurus macrops
Trimeresurus malabaricus
Trimeresurus mangshanensis
Trimeresurus medoensis
Trimeresurus mucrosquamatus
Trimeresurus popeorum
Trimeresurus popeorum barati
Trimeresurus popeorum popeorum
Trimeresurus popeorum sabahi
Trimeresurus puniceus
Trimeresurus purpureomaculatus
Trimeresurus purpureomaculatus andersoni
Trimeresurus purpureomaculatus purpureomaculatus
Trimeresurus schultzei
Trimeresurus stejnegeri
Trimeresurus stejnegeri chenbihuii
Trimeresurus stejnegeri stejnegeri
Trimeresurus stejnegeri yunnanensis
Trimeresurus strigatus
Trimeresurus sumatranus
Trimeresurus sumatranus malcolmi
Trimeresurus sumatranus sumatranus
Trimeresurus tibetanus
Trimeresurus tokarensis
Trimeresurus trigonocephalus
Trimeresurus xiangchengensis
Tropidolaemus
Tropidolaemus huttoni
Tropidolaemus wagleri
Tropidolaemus wagleri subannulatus
Viperinae
Adenorhinos
Adenorhinos barbouri
Atheris
Atheris anisolepis
Atheris ceratophora
Atheris chlorechis
Atheris desaixi
Atheris hispida
Atheris katangensis
Atheris nitschei
Atheris nitschei nitschei
Atheris nitschei rungwensis
Atheris squamigera
Bitis
Bitis arietans
Bitis arietans arietans
Bitis arietans somalica
Bitis atropos
Bitis caudalis
Bitis cornuta
Bitis cornuta albanica
Bitis cornuta cornuta
Bitis gabonica
Bitis gabonica gabonica
Bitis gabonica rhinoceros
Bitis heraldica
Bitis inornata
Bitis nasicornis
Bitis parviocula
Bitis peringueyi
Bitis rubida
Bitis schneideri
Bitis worthingtoni
Bitis xeropaga
Cerastes
Cerastes cerastes
Cerastes gasperettii
Cerastes vipera
Daboia
Daboia russelii
[
Vipera russellii
]
Daboia russelii russelii
Daboia russelii siamensis
Echis
Echis carinatus
Echis carinatus astolae
Echis carinatus carinatus
Echis carinatus multisquamatus
Echis carinatus sinhaleyus
Echis carinatus sochureki
Echis coloratus
Echis hughesi
Echis jogeri
Echis leucogaster
Echis megalocephalus
Echis ocellatus
Echis pyramidum
Echis pyramidum aliaborri
Echis pyramidum leakeyi
Echis pyramidum pyramidum
Eristicophis
Eristicophis macmahonii
Macrovipera
Macrovipera deserti
Macrovipera lebetina
Macrovipera lebetina cernovi
Macrovipera lebetina lebetina
Macrovipera lebetina obtusa
Macrovipera lebetina transmediterranea
Macrovipera lebetina turanica
Macrovipera mauritanica
Macrovipera schweizeri
Montatheris
Montatheris hindii
Proatheris
Proatheris superciliaris
Pseudocerastes
Pseudocerastes persicus
Pseudocerastes persicus fieldi
Pseudocerastes persicus persicus
Vipera
Vipera albicornuta
Vipera albizona
Vipera ammodytes
Vipera ammodytes ammodytes
Vipera ammodytes gregorwallneri
Vipera ammodytes meridionalis
Vipera ammodytes montandoni
[
Vipera aspis balcanica
]
Vipera ammodytes transcaucasiana
Vipera aspis
Vipera aspis aspis
Vipera aspis atra
Vipera aspis francisciredi
Vipera aspis hugyi
Vipera aspis zinnikeri
Vipera barani
Vipera berus
Vipera berus berus
Vipera berus bosniensis
Vipera berus sachalinensis
Vipera bornmuelleri
[
Vipera xanthina bornmuelleri
]
Vipera bulgardaghica
Vipera darevskii
Vipera dinniki
Vipera kaznakovi
Vipera latastei
Vipera latastei gaditana
Vipera latastei latastei
Vipera latifii
Vipera lotievi
Vipera monticola
Vipera nikolskii
Vipera palaestinae
Vipera pontica
Vipera raddei
Vipera seoanei
Vipera seoanei cantabrica
Vipera seoanei seoanei
Vipera ursinii
Vipera wagneri
Vipera xanthina
[
Vipera xanthina xanthina
]