Taxonomy
Mainly there are five venomous snake families:
Family: Colubridae
- SubFamily: Calamariinae
- SubFamily: Colubrinae
- Ahaetulla
- Archelaphe
- Arizona
- Bamanophis
- Bogertophis
- Boiga
- Boiga barnesii
- Boiga beddomei
- Boiga ceylonensis
- Boiga cyanea (green cat snake)
- Boiga cynodon
- Boiga dendrophila
- Boiga drapiezii
- Boiga forsteni
- Boiga irregularis (brown tree snake)
- Boiga jaspidea
- Boiga kraepelini
- Boiga multomaculata
- Boiga nigriceps (black-headed cat snake)
- Boiga ocellata (gray cat snake)
- Boiga quincunciata
- Boiga siamensis
- Boiga trigonata
- Boiga sp. EAC-2016a
- Cemophora
- Chilomeniscus
- Chionactis
- Chironius
- Chrysopelea
- Coelognathus
- Coluber (racers)
- Coluber bilineatus (Sonoran whipsnake)
- Coluber constrictor (Eastern racer)
- Coluber flagellum (coachwhip)
- Coluber lateralis (striped racer)
- Coluber mentovarius
- Coluber schotti (Schott's whipsnake)
- Coluber taeniatus (striped whipsnake)
- Coluber zebrinus
- Coluber sp. JAC_29377
- Coluber sp. MEX_23720
- Coluber sp. MVZ_182251
- Coluber sp. UTA_23619
- Conopsis
- Coronella
- Crotaphopeltis
- Cyclophiops
- Dasypeltis
- Dendrelaphis
- Dendrelaphis bifrenalis
- Dendrelaphis calligastra
- Dendrelaphis caudolineatus (striped bronzeback)
- Dendrelaphis caudolineolatus
- Dendrelaphis cyanochloris
- Dendrelaphis formosus
- Dendrelaphis fuliginosus
- Dendrelaphis haasi
- Dendrelaphis marenae
- Dendrelaphis ngansonensis
- Dendrelaphis pictus
- Dendrelaphis punctulatus (green tree snake)
- Dendrelaphis schokari
- Dendrelaphis striatus
- Dendrelaphis subocularis (mountain bronzeback)
- Dendrelaphis tristis
- Dendrelaphis sp.
- Dendrelaphis sp. CRF-2012
- Dendrophidion
- Dinodon
- Dipsadoboa
- Dispholidus
- Dolichophis
- Drymarchon
- Drymobius
- Drymoluber
- Dryocalamus
- Dryophiops
- Eirenis
- Eirenis aurolineatus
- Eirenis barani
- Eirenis collaris
- Eirenis coronelloides
- Eirenis decemlineatus
- Eirenis eiselti
- Eirenis hakkariensis
- Eirenis levantinus
- Eirenis lineomaculatus
- Eirenis medus
- Eirenis modestus
- Eirenis persicus
- Eirenis punctatolineatus
- Eirenis rothii (Roth's dwarf racer)
- Eirenis thospitis
- Eirenis sp. MHNG 2626.71
- Elaphe
- Euprepiophis
- Ficimia
- Gonyophis
- Gonyosoma
- Gyalopion
- Hapsidophrys
- Hemerophis
- Hemorrhois
- Hierophis
- Lampropeltis
- Lampropeltis alterna
- Lampropeltis californiae California kingsnake)
- Lampropeltis calligaster
- Lampropeltis elapsoides (scarlet kingsnake)
- Lampropeltis extenuata (short-tailed snake)
- Lampropeltis getula
- Lampropeltis holbrooki (speckled kingsnake)
- Lampropeltis knoblochi
- Lampropeltis mexicana
- Lampropeltis nigra (black kingsnake)
- Lampropeltis occipitolineata
- Lampropeltis pyromelana
- Lampropeltis rhombomaculata
- Lampropeltis ruthveni
- Lampropeltis splendida (desert kingsnake)
- Lampropeltis triangulum (milk snake)
- Lampropeltis webbi
- Lampropeltis zonata (California Mountain kingsnake)
- Leptodrymus
- Leptophis
- Lepturophis
- Liopeltis
- Lycodon (wolf snakes)
- Lycodon alcalai
- Lycodon aulicus (Indian wolf snake)
- Lycodon bibonius
- Lycodon butleri (Butler's wolf snake)
- Lycodon capucinus
- Lycodon carinatus (Ceylon wolf snake)
- Lycodon cavernicolus (Gua Wang Burma wolf snake)
- Lycodon chrysoprateros
- Lycodon dumerilii
- Lycodon effraenis
- Lycodon fasciatus
- Lycodon flavozonatus (big-tooth snake)
- Lycodon futsingensis
- Lycodon gongshan (Gongshan wolf snake)
- Lycodon jara
- Lycodon laoensis (Laotian wolf snake)
- Lycodon liuchengchaoi
- Lycodon muelleri
- Lycodon osmanhilli
- Lycodon paucifasciatus
- Lycodon rufozonatus (red-banded snake)
- Lycodon ruhstrati
- Lycodon semicarinatus (Loo-Choo big-tooth snake)
- Lycodon stormi
- Lycodon subcinctus (Malayan banded wolf snake)
- Lycodon synaptor
- Lycodon zawi
- Lycodon sp. 1 CDS-2013
- Lytorhynchus
- Macroprotodon
- Masticophis
- Mastigodryas
- Oligodon
- Oligodon arnensis
- Oligodon barroni
- Oligodon calamarius
- Oligodon chinensis
- Oligodon cinereus
- Oligodon cruentatus
- Oligodon cyclurus
- Oligodon fasciolatus
- Oligodon formosanus
- Oligodon lacroixi
- Oligodon maculatus
- Oligodon modestum
- Oligodon multizonatus
- Oligodon ningshaanensis (Ningshaan kukri snake)
- Oligodon ocellatus
- Oligodon octolineatus
- Oligodon planiceps
- Oligodon splendidus
- Oligodon sublineatus
- Oligodon taeniatus
- Oligodon taeniolatus
- Oligodon theobaldi
- Oligodon torquatus
- Oligodon venustus
- Oligodon sp. RWM-2010
- Oocatochus
- Opheodrys
- Oreocryptophis
- Oreophis
- Orthriophis
- Oxybelis
- Pantherophis
- Philothamnus
- Phrynonax
- Phyllorhynchus
- Pituophis
- Platyceps
- Pliocercus
- Prosymna
- Pseudelaphe
- Pseudoficimia
- Pseustes
- Ptyas
- Rhadinophis
- Rhamnophis
- Rhinechis
- Rhinobothryum
- Rhinocheilus
- Rhynchocalamus
- Rhynchophis
- Salvadora
- Scaphiophis
- Scolecophis
- Senticolis
- Sonora
- Spalerosophis
- Spilotes
- Stegonotus
- Stenorrhina
- Symphimus
- Sympholis
- Tantilla
- Tantilla armillata
- Tantilla coronata (Southeastern crowned snake)
- Tantilla gracilis (flathead snake)
- Tantilla hobartsmithi (Southwestern blackhead snake)
- Tantilla impensa (greater centipede snake)
- Tantilla melanocephala (black-headed snake)
- Tantilla nigriceps (Plains blackhead snake)
- Tantilla planiceps (Western blackhead snake)
- Tantilla relicta (Florida crowned snake)
- Tantilla vermiformis (Hallowell's centipede snake)
- Tantilla yaquia (Yaquia blackhead snake)
- Tantilla sp. ATB-2008
- Tantilla sp. CK-2016a
- Telescopus
- Thelotornis
- Thrasops
- Toxicodryas
- Trimorphodon
- Zamenis
- SubFamily: Grayiinae
- SubFamily: Natricinae
- Adelophis
- Afronatrix
- Amphiesma
- Amplorhinus
- Aspidura
- Atretium
- Balanophis
- Clonophis
- Hebius
- Hebius atemporale (Tonkin keelback)
- Hebius bitaeniatum (Kutkai keelback)
- Hebius boulengeri (Tai-yong keelback)
- Hebius cf. boulengeri PG-2015
- Hebius concelarum
- Hebius craspedogaster (Kuatun keelback)
- Hebius deschauenseei (Northern keelback)
- Hebius ishigakiense (Yaeyama keelback)
- Hebius johannis
- Hebius khasiense (Khasi Hills keelback)
- Hebius metusium (Wa Shan keelback)
- Hebius modestum (modest keelback)
- Hebius octolineatum (eight-lined keelback)
- Hebius optatum (Mount Omei keelback)
- Hebius parallelum
- Hebius popei (Pope's keelback)
- Hebius pryeri (Pryer's keelback)
- Hebius sauteri (Kosempo keelback)
- Hebius venningi (Chin Hills keelback)
- Hebius vibakari (Japanese keelback)
- Hebius sp. KUZ:R67949
- Hebius sp. KUZ:R67983
- Hebius sp. PG-2015
- Herpetoreas
- Lycognathophis
- Macropisthodon
- Natriciteres
- Natrix
- Nerodia
- Opisthotropis
- Psammodynastes
- Regina
- Rhabdophis
- Rhabdophis adleri
- Rhabdophis chrysargos (specklebelly keelback)
- Rhabdophis guangdongensis (Guangdong keelback)
- Rhabdophis himalayanus
- Rhabdophis leonardi (Leonard's keelback)
- Rhabdophis nigrocinctus (green keelback)
- Rhabdophis nuchalis (Hubei keelback)
- Rhabdophis subminiatus
- Rhabdophis swinhonis (Taiwan keelback)
- Rhabdophis tigrinus (tiger keelback)
- Rhabdophis sp. 1 AB-2013
- Seminatrix
- Sinonatrix
- Storeria
- Thamnophis
- Thamnophis atratus
- Thamnophis bogerti
- Thamnophis brachystoma
- Thamnophis butleri
- Thamnophis butleri x radix
- Thamnophis chrysocephalus
- Thamnophis conanti
- Thamnophis couchii
- Thamnophis cyrtopsis
- Thamnophis elegans (Western terrestrial garter snake)
- Thamnophis eques
- Thamnophis exsul
- Thamnophis fulvus
- Thamnophis gigas
- Thamnophis godmani
- Thamnophis hammondii
- Thamnophis lineri
- Thamnophis marcianus
- Thamnophis melanogaster
- Thamnophis mendax
- Thamnophis nigronuchalis
- Thamnophis ordinoides
- Thamnophis proximus
- Thamnophis pulchrilatus
- Thamnophis radix
- Thamnophis rufipunctatus (narrowhead garter snake)
- Thamnophis sauritus
- Thamnophis scalaris
- Thamnophis scaliger
- Thamnophis sirtalis
- Thamnophis sumichrasti
- Thamnophis valida (Pacific garter snake)
- Thamnophis sp. DLG-2010a
- Trachischium
- Tropidoclonion
- Tropidonophis
- Virginia
- Xenochrophis
- SubFamily: Pseudoxenodontinae
- SubFamily: Sibynophiinae
- SubFamily: Xenodontinae