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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: January 31st, 2025.

IUCN Red Lists of Reptiles (Reptilia): main menu

Taxonomy and distribution of Reptiles (Reptilia)

Bibliography of Reptiles (Reptilia)

Reptiles (Reptilia) Species considered: Least Concern Snakes (Serpentes) Family Acrochordidae (Australasian File Snakes) Genus Acrochordus (Australasian File Snakes) Acrochordus arafurae (Arafura File Snake) Acrochordus granulatus (Lesser File Snake) Acrochordus javanicus (Java File Snake) Family Aniliidae (South American Pipe Snake) Genus Anilius (South American Pipe Snake) Anilius scytale (South American Pipe Snake) Family Anomalepididae (Neotropical Blind Snakes) Genus Helminthophis (Northwestern Blind Snakes) Helminthophis flavoterminatus (Yellow-tailed Blind Snake) Genus Liotyphlops (Smooth Blind Snakes) Liotyphlops albirostris (White-nosed Blind Snake) Liotyphlops caissara (Sao Sebastiao Blind Snake) Liotyphlops ternetzii (Paraguayan Blind Snake) Liotyphlops wilderi (Minas Gerais Blind Snake) Genus Typhlophis (Cayenne Blind Snake) Typhlophis squamosus (Cayenne Blind Snake) Family Anomochilidae (Dwarf Pipe Snakes) Genus Anomochilus (Dwarf Pipe Snakes) Anomochilus leonardi (Malaysian Dwarf Pipe Snake) Family Boidae (Typical Boas) Genus Acrantophis (Madagascar Ground Boas) Acrantophis dumerili (Western Madagascar Ground Boa) Acrantophis madagascariensis (Eastern Madagascar Ground Boa) Genus Boa (Red-tailed Boas) Boa constrictor (South American Red-tailed Boa) Boa imperator (Central American Red-tailed Boa) Boa nebulosa (Clouded Boa) Genus Calabaria (Calabar Boa) Calabaria reinhardtii (Calabar Boa) Genus Candoia (Pacific Boas) Candoia aspera (Viper Boa) Candoia bibroni (South Pacific Tree Boa) Candoia carinata (Pacific Tree Boa) Candoia paulsoni (Pacific Ground Boa) Candoia superciliosa (Palau Boa) Genus Charina (Rubber Boas) Charina bottae (Northern Rubber Boa) Genus Chilabothrus (Slender Boas) Chilabothrus angulifer (Cuban Boa) Chilabothrus inornatus (Puerto Rican Boa) Chilabothrus striatus (Hispaniolan Striped Boa) Chilabothrus strigilatus (Bahama Striped Boa) Genus Corallus (Tree Boas) Corallus annulatus (Annulated Tree Boa) Corallus batesii (Southern Emerald Tree Boa) Corallus caninus (Northern Emerald Tree Boa) Corallus grenadensis (Grenada Tree Boa) Corallus hortulana (Amazon Tree Boa) Corallus ruschenbergerii (Mangrove Tree Boa) Genus Epicrates (Rainbow Boas) Epicrates assisi (Caatinga Rainbow Boa) Epicrates cenchria (Common Rainbow Boa) Epicrates crassus (Paraguayan Rainbow Boa) Epicrates maurus (Northern Rainbow Boa) Genus Eryx (Sand Boas) Eryx colubrinus (East African Sand Boa) Eryx elegans (Slender Sand Boa) Eryx jaculus (Western Sand Boa) Eryx jayakari (Arabian Sand Boa) Eryx miliaris (Desert Sand Boa) Eryx muelleri (West African Sand Boa) Eryx tataricus (Tatary Sand Boa) Genus Eunectes (Anacondas) Eunectes beniensis (Bolivian Anaconda) Eunectes deschauenseei (Dark-spotted Anaconda) Eunectes murinus (Green Anaconda) Eunectes notaeus (Yellow Anaconda) Genus Lichanura (Rosy Boas) Lichanura orcutti (Northern Rosy Boa) Lichanura trivirgata (Southern Rosy Boa) Genus Sanzinia (Madagascar Tree Boas) Sanzinia madagascariensis (Eastern Madagascar Tree Boa) Genus Ungaliophis (Central American Dwarf Boas) Ungaliophis panamensis (Panamanian Dwarf Boa) Family Colubridae (Typical Snakes) Genus Adelphicos (Central American Burrowing Snakes) Adelphicos nigrilatum (Chiapas Burrowing Snake) Adelphicos quadrivirgatum (Mexican Four-lined Burrowing Snake) Adelphicos sargii (Guatemalan Four-lined Burrowing Snake) Adelphicos visoninum (Honduran Four-lined Burrowing Snake) Genus Adelphostigma (Twin-spotted Leaf-litter Snakes) Adelphostigma occipitalis (Bahia Leaf-litter Snake) Adelphostigma quadriocellata (Four-spotted Leaf-litter Snake) Genus Afronatrix (West African Brown Water Snake) Afronatrix anoscopus (West African Brown Water Snake) Genus Ahaetulla (Oriental Whip Snakes) Ahaetulla anomala (Bengal Whip Snake) Ahaetulla fasciolata (Speckle-headed Whip Snake) Ahaetulla fronticincta (Burmese Whip Snake) Ahaetulla laudankia (Laudankia Whip Snake) Ahaetulla mycterizans (Big-eyed Green Whip Snake) Ahaetulla nasuta (Long-nosed Green Whip Snake) Ahaetulla prasina (Short-nosed Whip Snake) Ahaetulla pulverulenta (Brown Speckled Whip Snake) Genus Alsophis (Eastern Caribbean Racers) Alsophis sibonius (Dominican Racer) Genus Amastridium (Rusty-headed Snakes) Amastridium sapperi (Northern Rusty-headed Snake) Amastridium veliferum (Southern Rusty-headed Snake) Genus Amnisiophis (River Leaf-litter Snake) Amnisiophis amoena (River Leaf-litter Snake) Genus Amphiesma (South Asian Keelbacks) Amphiesma monticolum (Yellow-collared Forest Keelback) Amphiesma stolatum (Buff-striped Keelback) Genus Amphiesmoides (White-eyed Keelback) Amphiesmoides ornaticeps (White-eyed Keelback) Genus Anguiculus (Himalayan Ringneck Snakes) Anguiculus rappii (Eastern Himalayan Ringneck Snake) Genus Antillophis (Hispaniolan Lesser Racer) Antillophis parvifrons (Hispaniolan Lesser Racer) Genus Apostolepis (Black-tailed Blackheads) Apostolepis albicollaris (White-collared Blackhead) Apostolepis assimilis (Common Red Blackhead) Apostolepis borellii (Urucum Blackhead) Apostolepis breviceps (Chacoan Blackhead) Apostolepis cearensis (Caatinga Blackhead) Apostolepis dimidiata (Common Bilineate Blackhead) Apostolepis flavotorquata (Yellow-collared Blackhead) Apostolepis goiasensis (Goias Blackhead) Apostolepis intermedia (Mato Grosso Blackhead) Apostolepis longicaudata (Piaui Blackhead) Apostolepis multicincta (Many-banded Blackhead) Apostolepis nelsonjorgei (Minacu Blackhead) Apostolepis nigrolineata (Para Blackhead) Apostolepis nigroterminata (Peruvian Blackhead) Apostolepis polylepis (Hawkbeak Blackhead) Apostolepis thalesdelemai (Ubajara Blackhead) Genus Archelaphe (Venus Rat Snake) Archelaphe bella (Venus Rat Snake) Genus Arizona (Glossy Snakes) Arizona elegans (Eastern Glossy Snake) Arizona pacata (Peninsular Glossy Snake) Genus Arrhyton (Cuban Ground Snakes) Arrhyton redimitum (Oriente Brown-capped Ground Snake) Arrhyton taeniatum (Broad-striped Ground Snake) Arrhyton vittatum (Cuban Short-tailed Ground Snake) Genus Atractus (Spindle Snakes) Atractus albuquerquei (Guama River Spindle Snake) Atractus alphonsehogei (Bela Vista Spindle Snake) Atractus altagratiae (Cururu River Spindle Snake) Atractus badius (Guianan Spindle Snake) Atractus bocourti (Huanuco Spindle Snake) Atractus clarki (Santa Cruz de Cana Spindle Snake) Atractus collaris (Collared Spindle Snake) Atractus crassicaudatus (Rough-tailed Spindle Snake) Atractus duidensis (Mount Duida Spindle Snake) Atractus elaps (Black Spindle Snake) Atractus emigdioi (Trujilo Spindle Snake) Atractus emmeli (Bolivian Spindle Snake) Atractus erythromelas (Red-Black Spindle Snake) Atractus flammigerus (Flaming Spindle Snake) Atractus francoi (Mangaratiba Spindle Snake) Atractus gaigeae (Southeast Ecuadorian Spindle Snake) Atractus iridescens (Iridescent Spindle Snake) Atractus lancinii (El Junquito Spindle Snake) Atractus lasallei (Yellow-spotted Spindle Snake) Atractus latifrons (Wedge-tailed Spindle Snake) Atractus maculatus (Spotted Spindle Snake) Atractus major (Brown Spindle Snake) Atractus manizalesensis (Villmaria Spindle Snake) Atractus mariselae (Bocono Spindle Snake) Atractus matthewi (Anzoategui Spindle Snake) Atractus melas (Dark Spindle Snake) Atractus multicinctus (Many-banded Spindle Snake) Atractus natans (Mamiraua Spindle Snake) Atractus nigricauda (Black-tailed Spindle Snake) Atractus orcesi (Orellana Spindle Snake) Atractus paisa (Sonson Spindle Snake) Atractus pamplonensis (Pamplona Spindle Snake) Atractus pantostictus (Sao Paulo Spindle Snake) Atractus paraguayensis (Paraguayan Spindle Snake) Atractus poeppigi (Black-backed Spindle Snake) Atractus potschi (Alagoas Spindle Snake) Atractus reticulatus (Reticulated Spindle Snake) Atractus riveroi (Tepui Spindle Snake) Atractus sanctaemartae (Santa Marta Spindle Snake) Atractus schach (Mamadam Spindle Snake) Atractus snethlageae (Gurupi River Spindle Snake) Atractus steyermarki (Chimanta Tepui Spindle Snake) Atractus surucucu (Surucucu Spindle Snake) Atractus tamessari (Kaieteur Spindle Snake) Atractus titanicus (Titan Spindle Snake) Atractus torquatus (Rusty Spindle Snake) Atractus trihedrurus (South Brazilian Spindle Snake) Atractus trilineatus (Venezuelan Three-lined Spindle Snake) Atractus turikensis (Turik Mesa Spindle Snake) Atractus univittatus (One-striped Spindle Snake) Atractus ventrimaculatus (Venezuelan Spot-bellied Spindle Snake) Atractus vittatus (Venezuelan Striped Spindle Snake) Atractus wagleri (Boyaca Spindle Snake) Atractus werneri (Argelia Spindle Snake) Atractus zebrinus (Zebra Spindle Snake) Atractus zidoki (Haut Oyapock Spindle Snake) Genus Atretium (South Asian Olive Keelback) Atretium schistosum (South Asian Olive Keelback) Genus Bamanophis (West African Whip Snake) Bamanophis dorri (West African Whip Snake) Genus Bogertophis (Desert Rat Snakes) Bogertophis rosaliae (Baja California Rat Snake) Bogertophis subocularis (Trans-Pecos Rat Snake) Genus Boiga (Australasian Cat Snakes) Boiga angulata (Leyte Cat Snake) Boiga beddomei (Indian Yellow-bellied Cat Snake) Boiga ceylonensis (Southern White-bellied Cat Snake) Boiga cyanea (Green Cat Snake) Boiga cynodon (Dog-toothed Cat Snake) Boiga dendrophila (Eastern Mangrove Cat Snake) Boiga drapiezii (White-spotted Cat Snake) Boiga flaviviridis (Yellow-Green Cat Snake) Boiga forsteni (Speckled Cat Snake) Boiga gocool (Eastern Gamma Cat Snake) Boiga guangxiensis (Guangxi Cat Snake) Boiga irregularis (Brown Cat Snake) Boiga jaspidea (Jasper Cat Snake) Boiga kraepelini (Kelung Cat Snake) Boiga multifasciata (Many-banded Cat Snake) Boiga multomaculata (Marbled Cat Snake) Boiga nigriceps (Dark-headed Cat Snake) Boiga nuchalis (Collared Cat Snake) Boiga philippina (Luzon Cat Snake) Boiga quincunciata (Assam Cat Snake) Boiga schultzei (Palawan Cat Snake) Boiga siamensis (Grey Cat Snake) Boiga trigonata (Western Gamma Cat Snake) Boiga westermanni (Indian Egg Eater) Genus Boiruna (Southern Snake Eaters) Boiruna maculata (South American Spotted Snake Eater) Boiruna sertaneja (Sertao Snake Eater) Genus Borikenophis (Puerto Rican Bank Racers) Borikenophis portoricensis (Puerto Rican Racer) Genus Calamaria (Oriental Reed Snakes) Calamaria albiventer (White-bellied Reed Snake) Calamaria bicolor (Bicoloured Reed Snake) Calamaria bitorques (Banded Reed Snake) Calamaria borneensis (Sintang Reed Snake) Calamaria butonensis (Buton Reed Snake) Calamaria ceramensis (Seram Reed Snake) Calamaria everetti (Sarawak Reed Snake) Calamaria gervaisi (Philippine Reed Snake) Calamaria gimlettii (Kelantan Reed Snake) Calamaria grabowskyi (Kalimantan Spotted Reed Snake) Calamaria griswoldi (Yellow-lined Reed Snake) Calamaria hilleniusi (Samarinda Reed Snake) Calamaria leucogaster (Collared Reed Snake) Calamaria linnaei (Tjiloewar Reed Snake) Calamaria lovii (Rejang River Reed Snake) Calamaria lumbricoidea (Variable Reed Snake) Calamaria melanota (Kapuas Reed Snake) Calamaria modesta (Yellow-spotted Reed Snake) Calamaria muelleri (Sulawesi Dark Reed Snake) Calamaria pavimentata (Brown Reed Snake) Calamaria schlegeli (Pink-headed Reed Snake) Calamaria schmidti (Kinabalu Reed Snake) Calamaria septentrionalis (Northern Reed Snake) Calamaria suluensis (Yellow-bellied Reed Snake) Calamaria sumatrana (Sumatran Reed Snake) Calamaria virgulata (Blunt-tailed Reed Snake) Genus Caraiba (Cuban Lesser Racer) Caraiba andreae (Cuban Lesser Racer) Genus Carphophis (North American Worm Snakes) Carphophis amoenus (Eastern Worm Snake) Carphophis vermis (Western Worm Snake) Genus Cemophora (North American Scarlet Snakes) Cemophora coccinea (Eastern Scarlet Snake) Genus Ceratophallus (Indonesian Striped Keelback) Ceratophallus vittatus (Indonesian Striped Keelback) Genus Cercophis (Atlantic Forest Liana Snake) Cercophis auratus (Atlantic Forest Liana Snake) Genus Chersodromus (Earth Runners) Chersodromus liebmanni (Veracruz Earth Runner) Genus Chironius (Sipos) Chironius bicarinatus (Eastern Sipo) Chironius carinatus (Yellow-lipped Sipo) Chironius challenger (Maringma Tepui Sipo) Chironius dixoni (Beni Sipo) Chironius exoletus (Green Sipo) Chironius flavolineatus (Yellow-striped Sipo) Chironius foveatus (Bahia Sipo) Chironius fuscus (Brown Sipo) Chironius grandisquamis (Large-scaled Sipo) Chironius laevicollis (Smooth-necked Sipo) Chironius leucometapus (White-fronted Sipo) Chironius maculoventris (Spot-bellied Sipo) Chironius monticola (Mountain Sipo) Chironius multiventris (Peruvian Sipo) Chironius quadricarinatus (Paraguayan Sipo) Chironius scurrulus (Rusty Sipo) Chironius septentrionalis (Northern Sipo) Chironius spixii (Venezuelan Sipo) Genus Chlorosoma (Green Bush Racers) Chlorosoma viridissimum (Emerald Bush Racer) Genus Chrysopelea (Flying Tree Snakes) Chrysopelea ornata (Ornate Flying Tree Snake) Chrysopelea paradisi (Paradise Flying Tree Snake) Chrysopelea pelias (Twin-barred Flying Snake) Chrysopelea rhodopleuron (Moluccan Flying Tree Snake) Chrysopelea taprobanica (Sri Lankan Flying Tree Snake) Genus Clelia (Northern Snake Eaters) Clelia clelia (Common Snake Eater) Clelia equatoriana (Equatorial Snake Eater) Clelia hussami (Parana Snake Eater) Clelia langeri (Bolivian Snake Eater) Clelia plumbea (Plumbeous Snake Eater) Clelia scytalina (Mexican Snake Eater) Genus Coelognathus (Oriental Rat Snakes) Coelognathus erythrura (Philippine Rat Snake) Coelognathus flavolineatus (Yellow-striped Rat Snake) Coelognathus helena (Indian Trinket Snake) Coelognathus radiatus (Copper-headed Rat Snake) Coelognathus subradiatus (Lesser Sundas Rat Snake) Genus Collorhabdium (Mountain Dwarf Snake) Collorhabdium williamsoni (Mountain Dwarf Snake) Genus Coluber (North American Racer) Coluber constrictor (North American Racer) Genus Coniophanes (Black-striped Snakes) Coniophanes bipunctatus (Two-spotted Snake) Coniophanes fissidens (Central American Yellow-bellied Snake) Coniophanes imperialis (Regal Black-striped Snake) Coniophanes longinquus (Peruvian Black-striped Snake) Coniophanes meridanus (Peninsular Stripeless Snake) Coniophanes piceivittis (Oaxacan Black-striped Snake) Coniophanes quinquevittatus (Five-striped Black-striped Snake) Coniophanes schmidti (Faded Black-striped Snake) Genus Conophis (Road Guarders) Conophis lineatus (Central American Road Guarder) Conophis vittatus (Striped Road Guarder) Genus Conopsis (Mexican Earth Snakes) Conopsis biserialis (Two-lined Mexican Earth Snake) Conopsis lineata (Lined Tolucan Earth Snake) Conopsis megalodon (San Felipe Earth Snake) Conopsis nasus (Large-nosed Earth Snake) Genus Contia (Sharp-tailed Snakes) Contia longicaudae (Forest Sharp-tailed Snake) Contia tenuis (Common Sharp-tailed Snake) Genus Coronelaps (Minas Gerais Lizard Eater) Coronelaps lepidus (Black-crowned Lizard Eater) Genus Coronella (Palearctic Smooth Snakes) Coronella austriaca (Northern Smooth Snake) Coronella girondica (Southern Smooth Snake) Genus Crisantophis (Costa Rican Road Guarder) Crisantophis nevermanni (Costa Rican Road Guarder) Genus Crotaphopeltis (Herald Snakes) Crotaphopeltis barotseensis (Zambian Herald Snake) Crotaphopeltis braestrupi (Tana Herald Snake) Crotaphopeltis degeni (Yellow-flanked Herald Snake) Crotaphopeltis hippocrepis (West African Herald Snake) Crotaphopeltis hotamboeia (Common Herald Snake) Crotaphopeltis tornieri (Forest White-lipped Snake) Genus Cubophis (Western Caribbean Racers) Cubophis cantherigerus (Cuban Racer) Cubophis caymanus (Grand Cayman Racer) Cubophis fuscicauda (Cayman Brac Racer) Cubophis ruttyi (Little Cayman Racer) Cubophis vudii (Bahamas Racer) Genus Caaeteboia (East Brazilian Ground Snakes) Caaeteboia amarali (Minas Gerais Ground Snake) Genus Dasypeltis (African Egg Eaters) Dasypeltis abyssina (Ethiopian Egg Eater) Dasypeltis atra (Forest Egg Eater) Dasypeltis confusa (Diamondback Egg Eater) Dasypeltis fasciata (Central African Egg Eater) Dasypeltis gansi (Savanna Egg Eater) Dasypeltis inornata (Southern Brown Egg Eater) Dasypeltis latericia (Senegalese Egg Eater) Dasypeltis medici (East African Egg Eater) Dasypeltis palmarum (Angolan Egg Eater) Dasypeltis parascabra (Guinean Egg Eater) Dasypeltis sahelensis (Sahel Egg Eater) Dasypeltis scabra (Common African Egg Eater) Genus Dendrelaphis (Bronzebacks) Dendrelaphis andamanensis (Andaman Painted Bronzeback) Dendrelaphis ashoki (Anaimalai Bronzeback) Dendrelaphis bifrenalis (Black-striped Bronzeback) Dendrelaphis biloreatus (Himalayan Bronzeback) Dendrelaphis calligaster (Northern Australian Bronzeback) Dendrelaphis caudolineatus (Malayan Stripe-tailed Bronzeback) Dendrelaphis cyanochloris (Green Bronzeback) Dendrelaphis flavescens (Yellow-banded Bronzeback) Dendrelaphis formosus (Elegant Bronzeback) Dendrelaphis fuliginosus (Negros Bronzeback) Dendrelaphis gastrostictus (Papuan Montane Bronzeback) Dendrelaphis girii (Belgaum Bronzeback) Dendrelaphis grandoculis (Indian Large-eyed Bronzeback) Dendrelaphis grismeri (Central Moluccan Bronzeback) Dendrelaphis humayuni (Nicobar Bronzeback) Dendrelaphis haasi (Greater Sundas Bronzeback) Dendrelaphis inornatus (Lesser Sundas Painted Bronzeback) Dendrelaphis keiensis (Southern Moluccan Bronzeback) Dendrelaphis kopsteini (Red-necked Bronzeback) Dendrelaphis levitoni (Palawan Stripe-tailed Bronzeback) Dendrelaphis lorentzii (Lorentz River Bronzeback) Dendrelaphis luzonensis (Luzon Stripe-tailed Bronzeback) Dendrelaphis marenae (Philippine Painted Bronzeback) Dendrelaphis modestus (Northern Moluccan Bronzeback) Dendrelaphis ngansonensis (Nganson Bronzeback) Dendrelaphis nigroserratus (Umphang Bronzeback) Dendrelaphis philippinensis (Mindanao Stripe-tailed Bronzeback) Dendrelaphis pictus (Southern Painted Bronzeback) Dendrelaphis punctulatus (Common Australian Bronzeback) Dendrelaphis striatus (Banded Bronzeback) Dendrelaphis subocularis (Burmese Mountain Bronzeback) Dendrelaphis terrificus (Sulawesi Stripe-tailed Bronzeback) Dendrelaphis tristis (Common Indian Bronzeback) Dendrelaphis walli (Southern Burmese Bronzeback) Genus Dendrophidion (Forest Racers) Dendrophidion bivittatum (Two-lined Forest Racer) Dendrophidion brunneum (Brown Forest Racer) Dendrophidion clarkii (Panamanian Black-naped Forest Racer) Dendrophidion dendrophis (Tawny Forest Racer) Dendrophidion graciliverpa (El Oro Forest Racer) Dendrophidion nuchale (Venezuelan Black-naped Forest Racer) Dendrophidion paucicarinatum (Talamanca Forest Racer) Dendrophidion percarinatum (South American Forest Racer) Dendrophidion prolixum (Cauca Forest Racer) Dendrophidion vinitor (Northern Barred Forest Racer) Genus Diadophis (Ring-necked Snake) Diadophis punctatus (Ring-necked Snake) Genus Diaphorolepis (Frog Eaters) Diaphorolepis wagneri (Ecuadorian Frog Eater) Genus Dibernardia (East South American Leaf-litter Snakes) Dibernardia affinis (Atlantic Forest Leaf-litter Snake) Dibernardia bilineata (Two-striped Leaf-litter Snake) Dibernardia persimilis (Rio de Janeiro Leaf-litter Snake) Dibernardia poecilopogon (Uruguayan Leaf-litter Snake) Genus Dipsadoboa (Nocturnal Tree Snakes) Dipsadoboa aulica (Cross-barred Nocturnal Tree Snake) Dipsadoboa duchesnei (Blue-tailed Nocturnal Tree Snake) Dipsadoboa flavida (Northern Marbled Nocturnal Tree Snake) Dipsadoboa shrevei (Angolan Nocturnal Tree Snake) Dipsadoboa underwoodi (Cameroon Nocturnal Tree Snake) Dipsadoboa unicolor (Unicoloured Nocturnal Tree Snake) Dipsadoboa viridis (Green Nocturnal Tree Snake) Dipsadoboa weileri (Grey Nocturnal Tree Snake) Genus Dipsas (Neotropical Snail Eaters) Dipsas albifrons (White-fronted Snail Eater) Dipsas alternans (Santos Snail Eater) Dipsas articulata (Veraguas Snail Eater) Dipsas bicolor (Bicolored Snail Eater) Dipsas brevifacies (Short-faced Snail Eater) Dipsas bucephala (Bull Snail Eater) Dipsas catesbyi (Ornate Snail Eater) Dipsas chaparensis (Chapare Snail Eater) Dipsas copei (Guianan Snail Eater) Dipsas gaigeae (Colima Snail Eater) Dipsas gracilis (Graceful Snail Eater) Dipsas indica (Big-headed Snail Eater) Dipsas lavillai (Argentine Snail Eater) Dipsas mikanii (Brazilian White-collared Snail Eater) Dipsas neuwiedi (Brazilian Banded Snail Eater) Dipsas nicholsi (Panamanian Snail Eater) Dipsas oneilli (Peruvian Amazon Snail Eater) Dipsas pakaraima (Pakaraima Mountains Snail Eater) Dipsas pavonina (Northern Snail Eater) Dipsas peruana (Peruvian Snail Eater) Dipsas pratti (Colombian Snail Eater) Dipsas sanctijoannis (Choco Snail Eater) Dipsas sazimai (Atlantic Forest Snail Eater) Dipsas temporalis (Esmeraldes Snail Eater) Dipsas trinitatis (Trinidad Snail Eater) Dipsas turgida (Bolivian Snail Eater) Dipsas vagrans (Cajamarca Snail Eater) Dipsas variegata (Many-banded Snail Eater) Dipsas ventrimaculata (Spot-bellied Snail Eater) Dipsas vermiculata (Vermiculate Snail Eater) Dipsas viguieri (Darien Snail Eater) Dipsas jamespetersi (Zhila Snail Eater) Genus Dispholidus (Boomslangs) Dispholidus typus (Cape Boomslang) Genus Dolichophis (Greater Whip Snakes) Dolichophis andreanus (Zagros Whip Snake) Dolichophis caspius (Caspian Whip Snake) Dolichophis jugularis (Large Whip Snake) Dolichophis schmidti (Red-bellied Whip Snake) Genus Drepanoides (Amazon Egg Eater) Drepanoides anomalus (Amazon Egg Eater) Genus Drymarchon (Indigo Snakes and Cribos) Drymarchon caudomaculatus (Spot-tailed Cribo) Drymarchon corais (Yellow-tailed Cribo) Drymarchon couperi (Indigo Snake) Drymarchon margaritae (Margarita Island Cribo) Drymarchon melanurus (Black-tailed Cribo) Genus Drymobius (Central American Racers) Drymobius chloroticus (Green Highland Racer) Drymobius margaritiferus (Speckled Racer) Drymobius melanotropis (Lower-montane Green Racer) Drymobius rhombifer (Diamondback Racer) Genus Drymoluber (Glossy Racers) Drymoluber brazili (Southern Glossy Racer) Drymoluber dichrous (Northern Glossy Racer) Genus Dryophiops (Malayan Vine Snakes) Dryophiops rubescens (Keel-bellied Vine Snake) Genus Dryophylax (Northern Mock Vipers) Dryophylax almae (Jararaca Mock Viper) Dryophylax chaquensis (Chaco Mock Viper) Dryophylax chimanta (Chimanta Mock Viper) Dryophylax corocoroensis (Corocoro Mock Viper) Dryophylax dixoni (Apure Mock Viper) Dryophylax duida (Cerro Duida Mock Viper) Dryophylax gambotensis (Gambote Mock Viper) Dryophylax hypoconia (Southern Mock Viper) Dryophylax marahuaquensis (Marahuaca Mock Viper) Dryophylax paraguanae (Paraguana Mock Viper) Dryophylax ramonriveroi (Turimiquire Mock Viper) Dryophylax yavi (Cerro Yavi Mock Viper) Genus Echinanthera (Neotropical Leaf-litter Snakes) Echinanthera cephalostriata (Head-striped Leaf-litter Snake) Echinanthera cyanopleura (Blue-flanked Leaf-litter Snake) Echinanthera melanostigma (Black-marked Leaf-litter Snake) Echinanthera undulata (South Brazilian Leaf-litter Snake) Genus Eirenis (Middle Eastern Dwarf Snakes) Eirenis aurolineatus (Golden-striped Dwarf Snake) Eirenis barani (Adana Dwarf Snake) Eirenis collaris (Collared Dwarf Snake) Eirenis coronella (Crowned Dwarf Snake) Eirenis coronelloides (Sinai Dwarf Snake) Eirenis decemlineatus (Narrow-striped Dwarf Snake) Eirenis eiselti (Urfa Dwarf Snake) Eirenis levantinus (Levant Dwarf Snake) Eirenis lineomaculatus (Spotted-line Dwarf Snake) Eirenis mcmahoni (Suleiman Mountains Dwarf Snake) Eirenis medus (Turkmen Dwarf Snake) Eirenis modestus (Ring-headed Dwarf Snake) Eirenis persicus (Persian Dwarf Snake) Eirenis punctatolineatus (Armenian Dwarf Snake) Eirenis rothii (Israeli Dwarf Snake) Genus Elaphe (Palearctic-Oriental Rat Snakes) Elaphe cantoris (Eastern Trinket Snake) Elaphe carinata (East Asian Keeled Rat Snake) Elaphe climacophora (Japanese Green Rat Snake) Elaphe davidi (North Chinese Rat Snake) Elaphe dione (Dione Rat Snake) Elaphe hodgsonii (Himalayan Trinket Snake) Elaphe quadrivirgata (Japanese Four-lined Rat Snake) Elaphe quatuorlineata (Western Four-lined Rat Snake) Elaphe sauromates (Sarmatian Rat Snake) Elaphe schrenckii (Amur Rat Snake) Elaphe zoigeensis (Zoige Rat Snake) Genus Elapoidis (Sunda Mountain Snakes) Elapoidis fusca (Java Mountain Snake) Genus Elapomorphus (Brazilian Lizard Eaters) Elapomorphus quinquelineatus (Five-lined Lizard Eater) Elapomorphus wuchereri (Bahia Lizard Eater) Genus Enuliophis (White-headed Snake) Enuliophis sclateri (White-headed Snake) Genus Enulius (Middle American Long-tailed Snakes) Enulius flavitorques (Pacific Long-tailed Snake) Genus Erythrolamprus (Neotropical Smooth Snakes) Erythrolamprus aesculapii (Southern Mock Coral Snake) Erythrolamprus almadensis (Almada Smooth Snake) Erythrolamprus atraventer (Brazilian Black-bellied Smooth Snake) Erythrolamprus bizonus (Double-banded Mock Coral Snake) Erythrolamprus breviceps (Short-headed Smooth Snake) Erythrolamprus ceii (Tucuman Smooth Snake) Erythrolamprus cobellus (South American Red-bellied Smooth Snake) Erythrolamprus dorsocorallinus (Barinas Smooth Snake) Erythrolamprus epinephelus (Fire-bellied Smooth Snake) Erythrolamprus festae (Santiago River Smooth Snake) Erythrolamprus frenatus (Paraguayan Smooth Snake) Erythrolamprus guentheri (Ecuadorian Mock Coral Snake) Erythrolamprus ingeri (Chimanta Tepui Smooth Snake) Erythrolamprus jaegeri (Southern Green Smooth Snake) Erythrolamprus janaleeae (Moyobamba Smooth Snake) Erythrolamprus maryellenae (Goias Smooth Snake) Erythrolamprus melanotus (South American Black-backed Smooth Snake) Erythrolamprus mertensi (Venezuelan Forest Snake) Erythrolamprus miliaris (Military Smooth Snake) Erythrolamprus mimus (Mimic Mock Coral Snake) Erythrolamprus mossoroensis (Mossoro Smooth Snake) Erythrolamprus ocellatus (Ocellated Mock Coral Snake) Erythrolamprus oligolepis (Para Smooth Snake) Erythrolamprus poecilogyrus (Yellow-bellied Smooth Snake) Erythrolamprus pseudocorallus (Venezuelan Mock Coral Snake) Erythrolamprus pygmaeus (Amazon Dwarf Forest Snake) Erythrolamprus reginae (Northern Royal Smooth Snake) Erythrolamprus sagittifer (Spotted Smooth Snake) Erythrolamprus semiaureus (Golden Smooth Snake) Erythrolamprus taeniogaster (Banded Smooth Snake) Erythrolamprus taeniurus (Thin Smooth Snake) Erythrolamprus torrenicola (Guaiquinima Smooth Snake) Erythrolamprus trebbaui (Bolivar Smooth Snake) Erythrolamprus typhlus (Velvety Smooth Snake) Erythrolamprus viridis (Brazilian Green Smooth Snake) Erythrolamprus zweifeli (Yellow-speckled Smooth Snake) Erythrolamprus albertguentheri (Bolivian Green Smooth Snake) Genus Euprepiophis (East Asian Rat Snakes) Euprepiophis conspicillatus (Japanese Forest Rat Snake) Euprepiophis mandarinus (Mandarin Rat Snake) Genus Farancia (American Mud and Rainbow Snakes) Farancia abacura (American Mud Snake) Farancia erytrogramma (Rainbow Snake) Genus Ficimia (Eastern Hook-nosed Snakes) Ficimia olivacea (Brown Hook-nosed Snake) Ficimia publia (Blotched Hook-nosed Snake) Ficimia streckeri (Tamaulipan Hook-nosed Snake) Genus Fowlea (Fishing Keelbacks) Fowlea asperrima (Sri Lankan Painted Keelback) Fowlea flavipunctata (Yellow-spotted Keelback) Fowlea melanzosta (Southern Keelback) Fowlea piscator (Indian Checkered Keelback) Fowlea punctulata (Burmese Spotted Keelback) Fowlea sanctijohannis (Kashmir Keelback) Fowlea schnurrenbergeri (Bar-necked Keelback) Fowlea tytleri (Andaman Keelback) Fowlea yunnanensis (Yunnan Olive Keelback) Genus Geophis (Northern Snail Eaters) Geophis annuliferus (West Mexican Snail Eater) Geophis anocularis (Sierra Mije Earth Snake) Geophis brachycephalus (Short-headed Earth Snake) Geophis cancellatus (Chiapan Earth Snake) Geophis carinosus (Central American Keeled Earth Snake) Geophis dubius (Mesa del Sur Earth Snake) Geophis duellmani (Sierra Juarez Earth Snake) Geophis dugesii (Tangancicuaro Earth Snake) Geophis godmani (Irazu Earth Snake) Geophis hoffmanni (Costa Rican Earth Snake) Geophis immaculatus (Guatemalan Earth Snake) Geophis laticinctus (Mesa Central Earth Snake) Geophis mutitorques (Highland Earth Snake) Geophis nasalis (Coffee Earth Snake) Geophis omiltemanus (Guerreran Earth Snake) Geophis rhodogaster (Rose-bellied Earth Snake) Geophis ruthveni (Sarapiqui Earth Snake) Geophis sanniolus (Pygmy Snail Eater) Geophis sartorii (Terrestrial Snail Eater) Geophis semidoliatus (Coral Earth Snake) Geophis tectus (La Loma Earth Snake) Geophis zeledoni (Finca Zeledon Earth Snake) Genus Gomesophis (Brazilian Burrowing Snake) Gomesophis brasiliensis (Brazilian Burrowing Snake) Genus Gongylosoma (Southeast Asian Ground Snakes) Gongylosoma baliodeira (Orange-bellied Ground Snake) Gongylosoma calamaria (Lesser Ground Snake) Gongylosoma frenata (Common Ground Snake) Gongylosoma longicaudum (Striped Ground Snake) Gongylosoma scriptum (Indochinese Ground Snake) Genus Gonyophis (Rainbow Tree Snake) Gonyophis margaritatus (Rainbow Tree Snake) Genus Gonyosoma (Oriental Green Rat Snakes) Gonyosoma jansenii (Sulawesi Black-tailed Rat Snake) Gonyosoma oxycephalum (Red-tailed Green Rat Snake) Genus Grayia (Equatorial African Water Snakes) Grayia caesar (Long-tailed Water Snake) Grayia ornata (Ornate Water Snake) Grayia smythii (Equatorial Water Snake) Grayia tholloni (Nandi Water Snake) Genus Gyalopion (Western Hook-nosed Snakes) Gyalopion canum (Chihuahuan Hook-nosed Snake) Gyalopion quadrangulare (Desert Hook-nosed Snake) Genus Haldea (Rough Earth Snake) Haldea striatula (Rough Earth Snake) Genus Hapsidophrys (Emerald Snakes) Hapsidophrys lineatus (Black-lined Green Snake) Hapsidophrys principis (Principe Green Snake) Hapsidophrys smaragdinus (Common Emerald Snake) Genus Hebius (Oriental Equatorial Keelbacks) Hebius bitaeniatus (Two-striped Keelback) Hebius boulengeri (White-browed Keelback) Hebius clerki (Kachin Keelback) Hebius craspedogaster (Kuatun Keelback) Hebius deschauenseei (Chiang Mai Keelback) Hebius flavifrons (White-fronted Keelback) Hebius inas (Malayan Mountain Keelback) Hebius johannis (South Chinese Keelback) Hebius khasiensis (Khasi Hills Keelback) Hebius leucomystax (White-lipped Keelback) Hebius metusius (Sichuan Keelback) Hebius modestus (Modest Keelback) Hebius octolineatus (Eight-striped Keelback) Hebius optatus (Mount Omei Keelback) Hebius popei (Chinese Mountain Keelback) Hebius pryeri (Ryukyu Keelback) Hebius sanguineus (Red Mountain Keelback) Hebius sangzhiensis (Hunan Mountain Keelback) Hebius sarawacensis (Sarawak Mountain Keelback) Hebius sauteri (Kosempo Keelback) Hebius septemlineatus (Tengchong Keelback) Hebius venningi (Chin Hills Keelback) Hebius vibakari (Northeastern Forest Keelback) Hebius yanbianensis (Yanbian Keelback) Hebius petersii (Sarawak Spotted Keelback) Genus Helicops (South American Keelbacks) Helicops angulatus (Brown-banded Keelback) Helicops apiaka (Apiaka Keelback) Helicops carinicaudus (Keel-tailed Keelback) Helicops danieli (Colombian Keelback) Helicops gomesi (Sao Paulo Keelback) Helicops hagmanni (Amazonian Keelback) Helicops infrataeniatus (Surinam Keelback) Helicops leopardinus (Leopard Keelback) Helicops modestus (Brazilian Olive Keelback) Helicops pastazae (Pastaza River Keelback) Helicops polylepis (South American Many-scaled Keelback) Helicops scalaris (Ladder Keelback) Helicops tapajonicus (Tapajos River Keelback) Helicops trivittatus (Three-striped Keelback) Helicops yacu (Loreto Keelback) Genus Hemorrhois (Palearctic Whip Snakes) Hemorrhois algirus (Algerian Whip Snake) Hemorrhois hippocrepis (Horseshoe Whip Snake) Hemorrhois nummifer (Coin-marked Whip Snake) Hemorrhois ravergieri (Mountain Whip Snake) Genus Herpetoreas (Himalayan Mountain Keelbacks) Herpetoreas platyceps (Himalayan Flat-headed Keelback) Genus Heterodon (North American Hognose Snakes) Heterodon nasicus (Western Hognose Snake) Heterodon platirhinos (Eastern Hognose Snake) Genus Hierophis (Eurasian Whip Snakes) Hierophis gemonensis (Balkan Whip Snake) Hierophis viridiflavus (Western Whip Snake) Genus Hydrablabes (Bornean Water Snakes) Hydrablabes periops (Spectacled Water Snake) Genus Hydraethiops (Central African Water Snakes) Hydraethiops melanogaster (Black-bellied Water Snake) Genus Hydrodynastes (False Water Cobras) Hydrodynastes bicinctus (Two-banded False Water Cobra) Hydrodynastes gigas (Giant False Water Cobra) Genus Hydromorphus (Central American Water Snakes) Hydromorphus concolor (Common Central American Water Snake) Genus Hydrops (South American Mud Snakes) Hydrops caesurus (Southern Mud Snake) Hydrops martii (Coral Mud Snake) Hydrops triangularis (Red-sided Mud Snake) Genus Hypsiglena (North American Night Snakes) Hypsiglena chlorophaea (Desert Night Snake) Hypsiglena janii (Chihuahuan Night Snake) Hypsiglena ochrorhyncha (Coast Night Snake) Hypsiglena slevini (Baja California Night Snake) Hypsiglena torquata (Sinaloan Night Snake) Genus Hypsirhynchus (Hog-nosed Racers) Hypsirhynchus ferox (Common Hog-nosed Racer) Genus Imantodes (American Blunt-headed Tree Snakes) Imantodes cenchoa (Common Blunt-headed Tree Snake) Imantodes chocoensis (Chocoan Blunt-headed Tree Snake) Imantodes gemmistratus (Central American Blunt-headed Tree Snake) Imantodes inornatus (Yellow Blunt-headed Tree Snake) Imantodes lentiferus (Amazon Blunt-headed Tree Snake) Imantodes tenuissimus (Yucatan Blunt-headed Tree Snake) Genus Incaspis (Andean Bush Racers) Incaspis simonsii (Cajamarca Bush Racer) Incaspis tachymenoides (Arequipa Bush Racer) Genus Lampropeltis (King Snakes and Milk Snakes) Lampropeltis alterna (Grey-banded Kingsnake) Lampropeltis annulata (Tamaulipan Milk Snake) Lampropeltis californiae (California Kingsnake) Lampropeltis calligaster (Prarie Kingsnake) Lampropeltis elapsoides (Scarlet Kingsnake) Lampropeltis gentilis (Northwestern Milk Snake) Lampropeltis getula (Eastern Kingsnake) Lampropeltis holbrooki (Speckled Kingsnake) Lampropeltis knoblochi (Chihuahuan Mountain Kingsnake) Lampropeltis mexicana (San Luis Potosi Kingsnake) Lampropeltis micropholis (Southern Milk Snake) Lampropeltis nigra (Eastern Black Kingsnake) Lampropeltis polyzona (Central Mexican Milk Snake) Lampropeltis pyromelana (Sonoran Mountain Kingsnake) Lampropeltis splendida (Desert Kingsnake) Lampropeltis triangulum (Eastern Milk Snake) Lampropeltis zonata (California Mountain Kingsnake) Lampropeltis abnorma (Central American Milk Snake) Genus Leptodeira (Typical Cat-eyed Snakes) Leptodeira annulata (South American Banded Cat-eyed Snake) Leptodeira bakeri (Aruba Cat-eyed Snake) Leptodeira frenata (Rain Forest Cat-eyed Snake) Leptodeira maculata (Mexican Cat-eyed Snake) Leptodeira nigrofasciata (Black-banded Cat-eyed Snake) Leptodeira punctata (Western Cat-eyed Snake) Leptodeira rhombifera (Central American Banded Cat-eyed Snake) Leptodeira rubricata (Costa Rican Cat-eyed Snake) Leptodeira septentrionalis (Northern Cat-eyed Snake) Leptodeira splendida (Splendid Cat-eyed Snake) Leptodeira uribei (Chamela Cat-eyed Snake) Genus Leptodrymus (Green-headed Lowland Racer) Leptodrymus pulcherrimus (Green-headed Lowland Racer) Genus Leptophis (Neotropical Parrot Snakes) Leptophis ahaetulla (Common Green Parrot Snake) Leptophis coeruleodorsus (Striped Green Parrot Snake) Leptophis cupreus (Copper Parrot Snake) Leptophis depressirostris (Satiny Parrot Snake) Leptophis diplotropis (Twin-keeled Parrot Snake) Leptophis mexicanus (Mexican Parrot Snake) Leptophis nebulosus (Striped Parrot Snake) Leptophis riveti (Oblique Parrot Snake) Leptophis stimsoni (Trinidad Parrot Snake) Genus Limnophis (Striped Swamp Snakes) Limnophis bangweolicus (Eastern Striped Swamp Snake) Limnophis bicolor (Angolan Striped Swamp Snake) Genus Liochlorophis (Smooth Green Snake) Liochlorophis vernalis (Smooth Green Snake) Genus Liodytes (North American Swamp Snakes) Liodytes alleni (Striped Crayfish Snake) Liodytes pygaea (Black Swamp Snake) Liodytes rigida (Glossy Crayfish Snake) Genus Liopeltis (Southeast Asian Ringneck Snakes) Liopeltis philippina (Culion Ringneck Snake) Liopeltis stoliczkae (Northeast Indian Ringneck Snake) Liopeltis tricolor (Malayan Ringneck Snake) Genus Lycodon (Oriental Wolf Snakes) Lycodon albofuscus (Slender Wolf Snake) Lycodon alcalai (Batan Wolf Snake) Lycodon aulicus (Indian Wolf Snake) Lycodon butleri (Malaysian Mountain Wolf Snake) Lycodon capucinus (Island Wolf Snake) Lycodon cathaya (Huaping Wolf Snake) Lycodon davisonii (Burmese Bridle Snake) Lycodon dumerilii (Mindanao Wolf Snake) Lycodon effraenis (Scarce Wolf Snake) Lycodon fasciatus (Yellow-banded Wolf Snake) Lycodon fausti (Panay Wolf Snake) Lycodon flavicollis (Yellow-collared Wolf Snake) Lycodon flavomaculatus (Yellow-spotted Wolf Snake) Lycodon flavozonatus (Yellow Big-toothed Snake) Lycodon futsingensis (Fujian Wolf Snake) Lycodon gongshan (Gaoligong Mountains Wolf Snake) Lycodon hypsirhinoides (Andaman Wolf Snake) Lycodon jara (Twin-spotted Wolf Snake) Lycodon laoensis (Laotian Wolf Snake) Lycodon liuchengchaoi (Tangjiahe Wolf Snake) Lycodon meridionalis (Vietnamese Big-toothed Snake) Lycodon muelleri (Luzon Wolf Snake) Lycodon multifasciatus (Ryukyu Mountain Wolf Snake) Lycodon multizonatus (Luding Wolf Snake) Lycodon nympha (Vellore Bridle Snake) Lycodon ophiophagus (Snake-eater Wolf Snake) Lycodon orientalis (East Asian Wolf Snake) Lycodon pictus (Painted Wolf Snake) Lycodon rufozonatus (Red-banded Big-toothed Snake) Lycodon ruhstrati (Taiwanese Wolf Snake) Lycodon sealei (Palawan Wolf Snake) Lycodon semicarinatus (Tricolored Banded Snake) Lycodon septentrionalis (Northern Big-toothed Snake) Lycodon striatus (Striped Wolf Snake) Lycodon subannulatus (Malayan Bridle Snake) Lycodon subcinctus (Malayan Banded Wolf Snake) Lycodon synaptor (Dongchuan Wolf Snake) Lycodon tiwarii (Nicobar Wolf Snake) Lycodon travancoricus (Travancore Wolf Snake) Lycodon tristrigatus (Three-banded Bridle Snake) Lycodon zawi (Sagaing Wolf Snake) Genus Lygophis (South American Striped Ground Snakes) Lygophis anomalus (Yellow-striped Ground Snake) Lygophis dilepis (Northern Striped Ground Snake) Lygophis flavifrenatus (Yellow-lined Ground Snake) Lygophis lineatus (Western Striped Ground Snake) Lygophis meridionalis (Paraguayan Striped Ground Snake) Lygophis paucidens (Cerrado Striped Ground Snake) Genus Lytorhynchus (Awl-headed Snakes) Lytorhynchus diadema (Crowned Awl-headed Snake) Lytorhynchus maynardi (Balochistan Awl-headed Snake) Lytorhynchus paradoxus (Sind Awl-headed Snake) Lytorhynchus ridgewayi (Afghan Awl-headed Snake) Genus Macrocalamus (Peninsular Mountain Reed Snakes) Macrocalamus chanardi (Larut Mountain Reed Snake) Macrocalamus gentingensis (Genting Highlands Reed Snake) Macrocalamus jasoni (Mount Benom Mountain Reed Snake) Macrocalamus lateralis (Striped Mountain Reed Snake) Macrocalamus schulzi (Cameron Highlands Mountain Reed Snake) Macrocalamus tweediei (Mount Batu Berinchang Mountain Reed Snake) Macrocalamus vogeli (Mount Tahan Mountain Reed Snake) Genus Macroprotodon (False Smooth Snakes) Macroprotodon cucullatus (Eastern False Smooth Snake) Genus Magliophis (Puerto Rican Bank Ground Snakes) Magliophis exiguus (Virgin Islands Ground Snake) Magliophis stahli (Puerto Rican Ground Snake) Genus Manolepis (Thin-scaled Snake) Manolepis putnami (Thin-scaled Snake) Genus Masticophis (North American Whip Snakes and Coachwhips) Masticophis aurigulus (Baja California Striped Whip Snake) Masticophis bilineatus (Sonoran Whip Snake) Masticophis flagellum (Common Coachwhip) Masticophis lateralis (Pacific Striped Whip Snake) Masticophis mentovarius (Neotropical Whip Snake) Masticophis schotti (Eastern Striped Whip Snake) Masticophis slevini (San Esteban Island Whip Snake) Masticophis taeniatus (Western Striped Whip Snake) Genus Mastigodryas (Neotropical Lizard Eaters) Mastigodryas alternatus (Central American Lizard Eater) Mastigodryas boddaerti (Brown Lizard Eater) Mastigodryas bruesi (Lesser Antilles Lizard Eater) Mastigodryas danieli (Colombian Lizard Eater) Mastigodryas dorsalis (Striped Lizard Eater) Mastigodryas heathii (Peruvian Lizard Eater) Mastigodryas melanolomus (Salmon-bellied Lizard Eater) Mastigodryas moratoi (Amazon Lizard Eater) Mastigodryas pleei (Many-lined Lizard Eater) Mastigodryas pulchriceps (Quito Lizard Eater) Genus Meizodon (African Smooth Snakes) Meizodon coronatus (West African Crowned Smooth Snake) Meizodon plumbiceps (Black-headed Smooth Snake) Meizodon regularis (East African Crowned Smooth Snake) Meizodon semiornatus (Semi-ornate Smooth Snake) Genus Mesotes (Southern Mock Vipers) Mesotes rutilus (Sao Paulo Mock Viper) Mesotes strigatus (Striped Mock Viper) Genus Mopanveldophis (Cunene Whip Snake) Mopanveldophis zebrinus (Cunene Whip Snake) Genus Mussurana (Brazilian Snake Eaters) Mussurana bicolor (Two-coloured Snake Eater) Mussurana montana (Mountain Snake Eater) Mussurana quimi (South Brazilian Snake Eater) Genus Natriciteres (African Marsh Snakes) Natriciteres bipostocularis (Southwestern Forest Marsh Snake) Natriciteres fuliginoides (Collared Marsh Snake) Natriciteres olivacea (Olive Marsh Snake) Natriciteres pembana (Pemba Marsh Snake) Natriciteres sylvatica (Eastern Forest Marsh Snake) Natriciteres variegata (Variable Marsh Snake) Genus Natrix (Eurasian Keelbacks) Natrix helvetica (Barred Grass Snake) Natrix maura (Viperine Grass Snake) Natrix natrix (Common European Grass Snake) Natrix tessellata (Dice Snake) Genus Nerodia (North American Water Snakes) Nerodia clarkii (Salt Marsh Water Snake) Nerodia cyclopion (Western Green Water Snake) Nerodia erythrogaster (Plain-bellied Water Snake) Nerodia fasciata (North American Banded Water Snake) Nerodia floridana (Eastern Green Water Snake) Nerodia rhombifer (Diamondback Water Snake) Nerodia sipedon (Northern Water Snake) Nerodia taxispilota (American Brown Water Snake) Genus Ninia (Coffee Snakes) Ninia atrata (Red-naped Coffee Snake) Ninia diademata (Ring-necked Coffee Snake) Ninia hudsoni (Guyana White-collared Coffee Snake) Ninia maculata (Spotted Coffee Snake) Ninia pavimentata (Guatemalan Coffee Snake) Ninia psephota (Checkered Coffee Snake) Ninia sebae (Red-backed Coffee Snake) Genus Nothopsis (Rugose Litter Snake) Nothopsis rugosus (Rugose Litter Snake) Genus Oligodon (Kukri Snakes) Oligodon affinis (Western Kukri Snake) Oligodon albocinctus (White-barred Kukri Snake) Oligodon ancorus (Luzon Kukri Snake) Oligodon annulifer (Indonesian Spotted Kukri Snake) Oligodon arnensis (Arani Kukri Snake) Oligodon barroni (Chonburi Kukri Snake) Oligodon bitorquatus (Javanese Mountain Kukri Snake) Oligodon catenatus (Chain-banded Kukri Snake) Oligodon chinensis (Chinese Kukri Snake) Oligodon cinereus (Ashy Kukri Snake) Oligodon cruentatus (Pegu Kukri Snake) Oligodon cyclurus (Northeast Indian Kukri Snake) Oligodon deuvei (Orange-striped Kukri Snake) Oligodon dorsalis (Spot-tailed Kukri Snake) Oligodon eberhardti (Tam Dao Kukri Snake) Oligodon everetti (Jewelled Kukri Snake) Oligodon fasciolatus (Small-banded Kukri Snake) Oligodon formosanus (Taiwanese Kukri Snake) Oligodon inornatus (Southeast Asian Plain Kukri Snake) Oligodon joynsoni (Grey Kukri Snake) Oligodon kheriensis (Coral Kukri Snake) Oligodon maculatus (Philippine Spotted Kukri Snake) Oligodon mcdougalli (Arakan Kukri Snake) Oligodon mouhoti (Cambodian Kukri Snake) Oligodon notospilus (Palawan Kukri Snake) Oligodon ocellatus (Ocellated Kukri Snake) Oligodon octolineatus (Eight-lined Kukri Snake) Oligodon ornatus (Chinese Ornate Kukri Snake) Oligodon planiceps (Flat-headed Kukri Snake) Oligodon pseudotaeniatus (Khorat Kukri Snake) Oligodon purpurascens (Purple Kukri Snake) Oligodon signatus (Barred Kukri Snake) Oligodon splendidus (Splendid Kukri Snake) Oligodon taeniatus (Striped Kukri Snake) Oligodon taeniolatus (Variegated Kukri Snake) Oligodon theobaldi (Mandalay Kukri Snake) Oligodon trilineatus (Three-lined Kukri Snake) Oligodon venustus (Black-spotted Kukri Snake) Oligodon waandersi (Makassar Kukri Snake) Genus Oocatochus (Red-backed Rat Snake) Oocatochus rufodorsatus (Red-backed Rat Snake) Genus Opheodrys (Rough Green Snake) Opheodrys aestivus (Rough Green Snake) Genus Opisthotropis (Mountain Stream Keelbacks) Opisthotropis cheni (Guangdong Mountain Stream Keelback) Opisthotropis hungtai (Heishiding Mountain Stream Keelback) Opisthotropis kuatunensis (Striped Mountain Stream Keelback) Opisthotropis lateralis (Bicoloured Mountain Stream Keelback) Opisthotropis latouchii (South Chinese Mountain Stream Keelback) Opisthotropis maxwelli (Fujian Mountain Stream Keelback) Opisthotropis rugosa (Sumatran Mountain Stream Keelback) Opisthotropis typica (Dwarf Mountain Stream Keelback) Opisthotropis zhaoermii (Hunan Mountain Stream Keelback) Genus Oreocalamus (Malaysian Mountain Reed Snake) Oreocalamus hanitschi (Malaysian Mountain Reed Snake) Genus Oreocryptophis (Red Mountain Rat Snake) Oreocryptophis porphyraceus (Red Mountain Rat Snake) Genus Orientocoluber (North Asian Whip Snake) Orientocoluber spinalis (North Asian Whip Snake) Genus Oxybelis (Neotropical Vine Snakes) Oxybelis aeneus (Brown Vine Snake) Oxybelis brevirostris (Short-nosed Vine Snake) Oxybelis fulgidus (Green Vine Snake) Genus Oxyrhopus (Calico Snakes) Oxyrhopus clathratus (Southern Brazilian Calico Snake) Oxyrhopus doliatus (Venezuelan Calico Snake) Oxyrhopus erdisii (Cuzco Calico Snake) Oxyrhopus fitzingeri (Peruvian Calico Snake) Oxyrhopus formosus (Yellow-headed Calico Snake) Oxyrhopus guibei (Parana Calico Snake) Oxyrhopus leucomelas (Tolima Calico Snake) Oxyrhopus marcapatae (Marcapata Valley Calico Snake) Oxyrhopus melanogenys (Black-headed Calico Snake) Oxyrhopus occipitalis (Northern Calico Snake) Oxyrhopus petolarius (Banded Calico Snake) Oxyrhopus rhombifer (Rhombic Calico Snake) Oxyrhopus trigeminus (Northern Brazilian Calico Snake) Oxyrhopus vanidicus (Leticia Calico Snake) Genus Palusophis (Eastern Lizard Eater) Palusophis bifossatus (Eastern Lizard Eater) Genus Pantherophis (North American Rat Snakes) Pantherophis alleghaniensis (Grey Rat Snake) Pantherophis bairdi (Rio Grande Rat Snake) Pantherophis emoryi (Great Plains Rat Snake) Pantherophis guttatus (Red Corn Snake) Pantherophis obsoletus (Western Rat Snake) Pantherophis quadrivittatus (Eastern Rat Snake) Pantherophis ramspotti (Western Fox Snake) Pantherophis vulpinus (Eastern Fox Snake) Genus Paraphimophis (Rusty Snake Eater) Paraphimophis rusticus (Rusty Snake Eater) Genus Phalotris (South American Collared Snakes) Phalotris bilineatus (Two-lined Diadem Snake) Phalotris cuyanus (Mendoza Diadem Snake) Phalotris labiomaculatus (Lip-spotted Diadem Snake) Phalotris lemniscatus (Southern Black-sided Diadem Snake) Phalotris matogrossensis (Mato Grosso Diadem Snake) Phalotris mertensi (Sao Paulo Reticulated Diadem Snake) Phalotris nasutus (Snouted Diadem Snake) Phalotris reticulatus (Southern Reticulated Diadem Snake) Phalotris sansebastiani (Bolivian Diadem Snake) Phalotris tricolor (Tri-coloured Diadem Snake) Genus Philodryas (South American Bush Racers) Philodryas aestiva (Eastern Brazilian Green Bush Racer) Philodryas baroni (Long-nosed Bush Racer) Philodryas chamissonis (Chilean Bush Racer) Philodryas cordata (Guaiquinima Bush Racer) Philodryas mattogrossensis (Mato Grosso Bush Racer) Philodryas nattereri (Paraguay Bush Racer) Philodryas olfersii (Common Green Bush Racer) Philodryas psammophidea (South American Striped Racer) Philodryas trilineata (Argentine Racer) Philodryas varia (Variegated Bush Racer) Genus Philothamnus (African Green Snakes) Philothamnus angolensis (Angolan Green Snake) Philothamnus battersbyi (Northeastern Green Snake) Philothamnus bequaerti (Uganda Green Snake) Philothamnus carinatus (Western Barred Green Snake) Philothamnus dorsalis (Brown-snouted Green Snake) Philothamnus girardi (Annobon Green Snake) Philothamnus heterodermus (Emerald Green Snake) Philothamnus heterolepidotus (Slender Green Snake) Philothamnus hoplogaster (Southeastern Green Snake) Philothamnus hughesi (Congolese Green Snake) Philothamnus irregularis (Irregular Green Snake) Philothamnus macrops (Usambara Green Snake) Philothamnus natalensis (Eastern Natal Green Snake) Philothamnus nitidus (Cameroon Green Snake) Philothamnus occidentalis (Western Natal Green Snake) Philothamnus ornatus (Ornate Green Snake) Philothamnus punctatus (Speckled Green Snake) Philothamnus ruandae (Rwanda Emerald Green Snake) Philothamnus semivariegatus (Variegated Bush Snake) Philothamnus thomensis (Sao Tome Green Snake) Genus Phimophis (South American Shovel-nosed Snakes) Phimophis guerini (Argentine Shovel-nosed Snake) Phimophis guianensis (Northern Tropical Shovel-nosed Snake) Phimophis vittatus (Striped Shovel-nosed Snake) Genus Phrynonax (Neotropical Bird Snakes) Phrynonax poecilonotus (Northern Bird Snake) Phrynonax sexcarinatus (Southern Bird Snake) Phrynonax shropshirei (Panamanian Bird Snake) Genus Phyllorhynchus (American Leaf-nosed Snakes) Phyllorhynchus browni (Saddled Leaf-nosed Snake) Phyllorhynchus decurtatus (Spotted Leaf-nosed Snake) Genus Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes) Pituophis catenifer (Gopher Snake) Pituophis deppei (Mexican Bullsnake) Pituophis insulanus (Cedros Island Gopher Snake) Pituophis lineaticollis (Middle American Gopher Snake) Pituophis melanoleucus (Common Pine Snake) Pituophis vertebralis (Cape Gopher Snake) Genus Plagiopholis (Blotch-necked Snakes) Plagiopholis blakewayi (Burmese Blotch-necked Snake) Plagiopholis nuchalis (Common Blotch-necked Snake) Plagiopholis styani (Fujian Blotch-necked Snake) Genus Platyceps (Flat-headed Whip Snakes) Platyceps brevis (Somali Dwarf Whip Snake) Platyceps collaris (Red Whip Snake) Platyceps elegantissimus (Elegant Whip Snake) Platyceps florulentus (Egyptian Whip Snake) Platyceps karelini (Spotted Desert Whip Snake) Platyceps najadum (European Slender Whip Snake) Platyceps rhodorachis (Wadi Whip Snake) Platyceps rogersi (Helwan Desert Whip Snake) Platyceps saharicus (Saharan Cliff Racer) Platyceps taylori (Somali Whip Snake) Platyceps variabilis (Arabian Whip Snake) Platyceps ventromaculatus (Spotted Whip Snake) Genus Pliocercus (Big-scaled False Coral Snakes) Pliocercus bicolor (Northern False Coral Snake) Pliocercus elapoides (Variegated False Coral Snake) Pliocercus euryzonus (Southern False Coral Snake) Genus Pseudablabes (Reticulated Bush Racers) Pseudablabes agassizii (Burrowing Night Snake) Pseudablabes arnaldoi (Brazilian Speckled Racer) Pseudablabes patagoniensis (Patagonian Bush Racer) Genus Pseudagkistrodon (False Habu) Pseudagkistrodon rudis (False Habu) Genus Pseudalsophis (Neotropical Elegant Racers) Pseudalsophis dorsalis (Santa Cruz Racer) Pseudalsophis elegans (South American Elegant Racer) Pseudalsophis occidentalis (Western Galapagos Racer) Genus Pseudelaphe (Mexican Rat Snakes) Pseudelaphe flavirufa (Mexican Rat Snake) Genus Pseudoboa (Neotropical Scarlet Snakes) Pseudoboa coronata (Black-headed Scarlet Snake) Pseudoboa haasi (Parana Scarlet Snake) Pseudoboa martinsi (Pale-collared Scarlet Snake) Pseudoboa neuwiedii (Northern Scarlet Snake) Pseudoboa nigra (Blackish Scarlet Snake) Pseudoboa serrana (Southeast Brazilian Scarlet Snake) Genus Pseudoeryx (Dusky Mud Snakes) Pseudoeryx plicatilis (Dusky Mud Snake) Genus Pseudoficimia (False Hook-nosed Snake) Pseudoficimia frontalis (False Hook-nosed Snake) Genus Pseudoleptodeira (Broad-banded Cat-eyed Snake) Pseudoleptodeira latifasciata (Broad-banded Cat-eyed Snake) Genus Pseudorabdion (Dwarf Reed Snakes) Pseudorabdion albonuchalis (Ring-necked Dwarf Reed Snake) Pseudorabdion collaris (Red-necked Dwarf Reed Snake) Pseudorabdion eiselti (Sumatra Dwarf Reed Snake) Pseudorabdion longiceps (Long-headed Dwarf Reed Snake) Pseudorabdion mcnamarae (Negros Dwarf Reed Snake) Pseudorabdion oxycephalum (Sharp-nosed Dwarf Reed Snake) Pseudorabdion saravacensis (Sarawak Dwarf Reed Snake) Genus Pseudoxenodon (Mock Cobras) Pseudoxenodon bambusicola (Bamboo Mock Cobra) Pseudoxenodon inornatus (Javanese Mock Cobra) Pseudoxenodon karlschmidti (Common Chinese Mock Cobra) Pseudoxenodon macrops (Common Large-eyed Mock Cobra) Pseudoxenodon stejnegeri (Chinese Large-eyed Mock Cobra) Genus Psomophis (Smooth Ground Snakes) Psomophis genimaculatus (Spirit Ground Snake) Psomophis joberti (Brazilian Ground Snake) Psomophis obtusus (Red-bellied Ground Snake) Genus Ptyas (Giant Rat Snakes and Oriental Green Snakes) Ptyas carinata (Malayan Keeled Rat Snake) Ptyas dhumnades (Black-striped Rat Snake) Ptyas dipsas (Sulawesi Black Rat Snake) Ptyas doriae (Burmese Green Snake) Ptyas fusca (White-bellied Rat Snake) Ptyas herminae (Sakishima Green Snake) Ptyas luzonensis (Smooth-scaled Mountain Rat Snake) Ptyas major (Greater Green Snake) Ptyas mucosa (Common Oriental Rat Snake) Ptyas multicincta (Many-banded Green Snake) Ptyas nigromarginata (Oriental Green Rat Snake) Ptyas semicarinata (Ryukyu Green Snake) Genus Ptychophis (Brazilian Yellow-striped Water Snake) Ptychophis flavovirgatus (Brazilian Yellow-striped Water Snake) Genus Regina (Queen Snakes) Regina grahamii (Mississippi Crayfish Snake) Regina septemvittata (Queen Snake) Genus Rhabdophis (Asian Keelbacks) Rhabdophis adleri (Lingshui Keelback) Rhabdophis auriculatus (White-lined Keelback) Rhabdophis callistus (Minahassa Keelback) Rhabdophis chiwen (Chiwen Keelback) Rhabdophis chrysargos (Speckled-bellied Keelback) Rhabdophis confusus (Hainan Keelback) Rhabdophis conspicillatus (Red-bellied Keelback) Rhabdophis flaviceps (Orange-necked Keelback) Rhabdophis himalayanus (Common Himalayan Keelback) Rhabdophis leonardi (Burmese Mountain Keelback) Rhabdophis lineatus (Philippine Striped Keelback) Rhabdophis murudensis (Fire-lipped Keelback) Rhabdophis nigrocinctus (Black-banded Keelback) Rhabdophis nuchalis (Collared Keelback) Rhabdophis pentasupralabialis (Mount Gongga Keelback) Rhabdophis plumbicolor (Green Keelback) Rhabdophis rhodomelas (Blue-necked Keelback) Rhabdophis subminiatus (Southern Red-necked Keelback) Rhabdophis swinhonis (Taiwanese Black-necked Keelback) Rhabdophis tigrinus (Japanese Tiger Keelback) Genus Rhabdops (South Asian Forest Snakes) Rhabdops aquaticus (Northern Olive Forest Snake) Genus Rhachidelus (Brazilian Bird Snake) Rhachidelus brazili (Brazilian Bird Snake) Genus Rhadinaea (Graceful Brown Snakes) Rhadinaea calligaster (Thick Graceful Brown Snake) Rhadinaea decorata (Adorned Graceful Brown Snake) Rhadinaea flavilata (Pine Woods Snake) Rhadinaea hesperia (Western Graceful Brown Snake) Rhadinaea laureata (Crowned Graceful Brown Snake) Rhadinaea sargenti (Panamanian Graceful Brown Snake) Rhadinaea taeniata (Pine-Oak Snake) Genus Rhadinella (Dwarf Brown Snakes) Rhadinella anachoreta (Izabal Dwarf Brown Snake) Rhadinella godmani (Central American Dwarf Brown Snake) Rhadinella kinkelini (Nicaraguan Dwarf Brown Snake) Rhadinella lachrymans (Tearful Pine-Oak Snake) Rhadinella schistosa (Broken-collared Dwarf Brown Snake) Rhadinella serperaster (Costa Rican Dwarf Brown Snake) Genus Rhadinophis (Rein Snake) Rhadinophis frenatus (Rein Snake) Genus Rhamnophis (Dagger-tooth Tree Snakes) Rhamnophis aethiopissa (Large-eyed Green Tree Snake) Rhamnophis batesii (Spotted Dagger-tooth Tree Snake) Genus Rhinobothryum (Ringed Snakes) Rhinobothryum bovallii (False Tree Coral Snake) Rhinobothryum lentiginosum (Amazon Ringed Snake) Genus Rhinocheilus (Long-nosed Snakes) Rhinocheilus lecontei (Common Long-nosed Snake) Genus Rhynchocalamus (Middle East Black-headed Snakes) Rhynchocalamus melanocephalus (Palestine Black-headed Snake) Genus Rhynchophis (Rhinoceros Snakes) Rhynchophis boulengeri (Vietnamese Rhinoceros Snake) Rhynchophis hainanensis (Hainan Rhinoceros Snake) Genus Rodriguesophis (Collared Sharp-nosed Snakes) Rodriguesophis iglesiasi (Piaui Sharp-nosed Snake) Genus Sahyadriophis (Sahyadri Keelbacks) Sahyadriophis beddomei (Southern Sahyadri Keelback) Genus Salvadora (Patch-nosed Snakes) Salvadora bairdii (Central Mexican Patch-nosed Snake) Salvadora grahamiae (Mountain Patch-nosed Snake) Salvadora hexalepis (Western Patch-nosed Snake) Salvadora intermedia (Oaxacan Patch-nosed Snake) Salvadora lemniscata (Pacific Patch-nosed Snake) Salvadora mexicana (Common Mexican Patch-nosed Snake) Genus Scaphiodontophis (Neck-banded Snakes) Scaphiodontophis annulatus (Northern Neck-banded Snake) Scaphiodontophis venustissimus (Southern Neck-banded Snake) Genus Scaphiophis (African Hook-nosed Snakes) Scaphiophis albopunctatus (Common African Hook-nosed Snake) Scaphiophis raffreyi (Ethiopian Hook-nosed Snake) Genus Schwartzophis (Jamaican Ground Snakes) Schwartzophis callilaemus (Jamaican Red Ground Snake) Schwartzophis funereus (Jamaican Black Ground Snake) Genus Scolecophis (Central American Harlequin Snake) Scolecophis atrocinctus (Central American Harlequin Snake) Genus Senticolis (American Green Rat Snake) Senticolis triaspis (American Green Rat Snake) Genus Sibon (Neotropical Snail Eaters) Sibon annulatus (Ringed Snail Eater) Sibon anthracops (White-naped Snail Eater) Sibon argus (Argus Snail Eater) Sibon dimidiatus (Coral-backed Snail Eater) Sibon longifrenis (Drab Snail Eater) Sibon nebulatus (Cloudy Snail Eater) Genus Sibynophis (Oriental Black-headed Snakes) Sibynophis bivittatus (Palawan Black-headed Snake) Sibynophis chinensis (Chinese Black-headed Snake) Sibynophis collaris (Collared Black-headed Snake) Sibynophis geminatus (Striped Black-headed Snake) Sibynophis melanocephalus (White-lipped Black-headed Snake) Sibynophis sagittarius (Bengal Black-headed Snake) Sibynophis subpunctatus (Malabar Black-headed Snake) Genus Simophis (South American False Coral Snake) Simophis rhinostomus (South American False Coral Snake) Genus Siphlophis (Liana Snakes) Siphlophis ayauma (Devil's Head Liana Snake) Siphlophis cervinus (Common Liana Snake) Siphlophis compressus (Red-headed Liana Snake) Siphlophis leucocephalus (White-headed Liana Snake) Siphlophis longicaudatus (Long-tailed Liana Snake) Siphlophis pulcher (Guanabara Liana Snake) Siphlophis worontzowi (Amazon Liana Snake) Genus Smithophis (Rain Snakes) Smithophis bicolor (Black-and-Yellow Rain Snake) Genus Sonora (North American Ground, Sand, and Shovel-nosed Snakes) Sonora michoacanensis (Michoacan Ground Snake) Sonora mutabilis (Mexican Ground Snake) Sonora occipitalis (Northern Shovel-nosed Snake) Sonora palarostris (Sonoran Shovel-nosed Snake) Sonora savagei (Cerralvo Island Sand Snake) Sonora semiannulata (Western Ground Snake) Sonora straminea (Baja California Bandless Sand Snake) Genus Sordellina (Brazilian Yellow-lipped Snake) Sordellina punctata (Brazilian Yellow-lipped Snake) Genus Spalerosophis (Diadem Snakes) Spalerosophis arenarius (Red-spotted Diadem Snake) Spalerosophis atriceps (Black-headed Diadem Snake) Spalerosophis diadema (Common Diadem Snake) Spalerosophis microlepis (Small-scaled Diadem Snake) Genus Spilotes (Chicken Snakes) Spilotes pullatus (Common Chicken Snake) Spilotes sulphureus (Yellow-bellied Puffing Snake) Genus Stegonotus (Indo-Australian Ground Snakes) Stegonotus borneensis (Bornean Black Ground Snake) Stegonotus cucullatus (Doberai Ground Snake) Stegonotus diehli (Madang Ground Snake) Stegonotus heterurus (Bismarck Ground Snake) Stegonotus iridis (Rainbow Ground Snake) Stegonotus keyensis (Kai Islands Ground Snake) Stegonotus modestus (Ambon Ground Snake) Stegonotus muelleri (Philippine Ground Snake) Stegonotus parvus (Yapen Ground Snake) Genus Stenorrhina (Scorpion Eaters) Stenorrhina degenhardtii (South American Scorpion Eater) Stenorrhina freminvillii (Central American Scorpion Eater) Genus Storeria (North American Brown Snakes) Storeria dekayi (Common Brown Snake) Storeria occipitomaculata (North American Red-bellied Snake) Storeria storerioides (Mexican Brown Snake) Genus Symphimus (Mexican White-lipped Snakes) Symphimus leucostomus (Tehuantepec White-lipped Snake) Symphimus mayae (Yucatan White-lipped Snake) Genus Tachymenis (Pampas Snakes) Tachymenis ocellata (Ocellated Pampas Snake) Tachymenis peruviana (Peruvian Scrub Snake) Tachymenis trigonata (Argentine Mock Lancehead) Genus Tachymenoides (Peruvian Scrub Snakes) Tachymenoides affinis (Huanuco Scrub Snake) Genus Taeniophallus (Lowland Dwarf Leaf-litter Snakes) Taeniophallus brevirostris (Short-nosed Leaf-litter Snake) Taeniophallus nicagus (Northern Leaf-litter Snake) Genus Tantilla (American Centipede Snakes) Tantilla alticola (Santa Rita Centipede Snake) Tantilla armillata (Black-necked Centipede Snake) Tantilla atriceps (Mexican Black-headed Centipede Snake) Tantilla bocourti (Guanajuato Centipede Snake) Tantilla brevicauda (Short-tailed Centipede Snake) Tantilla calamarina (Pacific Coast Centipede Snake) Tantilla capistrata (Jequetepeque Centipede Snake) Tantilla coronadoi (Guerreran Centipede Snake) Tantilla coronata (Southeastern Centipede Snake) Tantilla cucullata (Trans-Pecos Centipede Snake) Tantilla cuniculator (Peten Centipede Snake) Tantilla deppei (Morelos Centipede Snake) Tantilla gracilis (Flat-headed Centipede Snake) Tantilla hobartsmithi (Southwestern Centipede Snake) Tantilla impensa (Central Guatemalan Centipede Snake) Tantilla melanocephala (South American Black-headed Centipede Snake) Tantilla moesta (Black-bellied Centipede Snake) Tantilla nigriceps (Plains Centipede Snake) Tantilla planiceps (Western Centipede Snake) Tantilla relicta (Florida Centipede Snake) Tantilla reticulata (Reticulated Centipede Snake) Tantilla rubra (Red Centipede Snake) Tantilla ruficeps (Orange-bellied Centipede Snake) Tantilla schistosa (Red Earth Centipede Snake) Tantilla semicincta (Ringed Centipede Snake) Tantilla supracincta (Northern Banded Centipede Snake) Tantilla taeniata (Central American Centipede Snake) Tantilla vermiformis (Nicaraguan Centipede Snake) Tantilla vulcani (Volcanic Highland Centipede Snake) Tantilla wilcoxi (Chihuahuan Centipede Snake) Tantilla yaquia (Yaqui Centipede Snake) Genus Tantillita (Dwarf Short-tailed Snakes) Tantillita brevissima (Speckled Dwarf Short-tailed Snake) Tantillita canula (Yucatan Dwarf Short-tailed Snake) Tantillita lintoni (Guatemalan Dwarf Short-tailed Snake) Genus Telescopus (Afro-Asian Cat Snakes) Telescopus beetzii (Namib Tiger Snake) Telescopus dhara (Arabian Cat Snake) Telescopus fallax (European Cat Snake) Telescopus finkeldeyi (Damara Cat Snake) Telescopus nigriceps (Black-headed Cat Snake) Telescopus obtusus (Egyptian Cat Snake) Telescopus semiannulatus (Southern Tiger Snake) Telescopus tessellatus (Iraqi Cat Snake) Telescopus tripolitanus (North African Cat Snake) Telescopus variegatus (Variable Cat Snake) Genus Thamnodynastes (South American Mock Vipers) Thamnodynastes longicaudus (Long-tailed Mock Viper) Thamnodynastes pallidus (Common South American Mock Viper) Thamnodynastes sertanejo (Sertao Mock Viper) Genus Thamnophis (North American Garter Snakes and Ribbon Snakes) Thamnophis atratus (Aquatic Garter Snake) Thamnophis brachystoma (Short-headed Garter Snake) Thamnophis butleri (Northeastern Garter Snake) Thamnophis chrysocephalus (Golden-headed Garter Snake) Thamnophis couchii (Sierra Garter Snake) Thamnophis cyrtopsis (Black-necked Garter Snake) Thamnophis elegans (Terrestrial Garter Snake) Thamnophis eques (Mexican Garter Snake) Thamnophis errans (Mexican Terrestrial Garter Snake) Thamnophis exsul (Exiled Garter Snake) Thamnophis fulvus (Central American Highland Garter Snake) Thamnophis godmani (Guerreran Garter Snake) Thamnophis hammondii (Two-striped Garter Snake) Thamnophis marcianus (Checkered Garter Snake) Thamnophis ordinoides (Northwestern Garter Snake) Thamnophis postremus (Tepalcatepec Valley Garter Snake) Thamnophis proximus (Western Ribbon Snake) Thamnophis pulchrilatus (Yellow-throated Garter Snake) Thamnophis radix (Plains Garter Snake) Thamnophis rufipunctatus (Arizona Narrow-headed Garter Snake) Thamnophis saurita (Eastern Ribbon Snake) Thamnophis scalaris (Mexican Alpine Blotched Garter Snake) Thamnophis sirtalis (Common Garter Snake) Thamnophis sumichrasti (Orizaba Garter Snake) Thamnophis validus (Mexican West Coast Garter Snake) Genus Thelotornis (African Vine Snakes) Thelotornis capensis (Southern Vine Snake) Thelotornis kirtlandii (Northern Vine Snake) Thelotornis mossambicanus (Eastern Vine Snake) Genus Thrasops (Black Tree Snakes) Thrasops flavigularis (Yellow-throated Black Tree Snake) Thrasops jacksonii (Common Black Tree Snake) Thrasops occidentalis (Western Black Tree Snake) Genus Tomodon (Pampas Snakes) Tomodon dorsatus (Brazilian Pampas Snake) Genus Toxicodryas (African Tree Cat Snakes) Toxicodryas blandingii (Western Black-and-Yellow Tree Snake) Toxicodryas pulverulenta (Western Powdered Cat Snake) Genus Trachischium (Oriental Slender Snakes) Trachischium fuscum (Darjeeling Slender Snake) Trachischium laeve (Olive Slender Snake) Trachischium monticola (Assam Slender Snake) Genus Tretanorhinus (Neotropical Swamp Snakes) Tretanorhinus nigroluteus (Orange-bellied Swamp Snake) Tretanorhinus variabilis (Caribbean Swamp Snake) Genus Trimerodytes (Asian Water Snakes) Trimerodytes aequifasciatus (Equal-banded Water Snake) Trimerodytes annularis (Asian Banded Water Snake) Trimerodytes percarinatus (Chinese Keelback) Trimerodytes praemaxillaris (Brown Stream Snake) Trimerodytes yunnanensis (Yunnan Keelback) Genus Trimetopon (Central American Dwarf Snakes) Trimetopon gracile (Cartago Dwarf Snake) Trimetopon pliolepis (Faded Dwarf Snake) Trimetopon slevini (Chiriqui Dwarf Snake) Genus Trimorphodon (Lyre Snakes) Trimorphodon biscutatus (Western Lyre Snake) Trimorphodon lambda (Sonoran Lyre Snake) Trimorphodon lyrophanes (Peninsular Lyre Snake) Trimorphodon quadruplex (Central American Lyre Snake) Trimorphodon tau (Mexican Lyre Snake) Trimorphodon vilkinsonii (Chihuahua Lyresnake) Genus Tropidoclonion (Lined Snake) Tropidoclonion lineatum (Lined Snake) Genus Tropidodipsas (Northern Snail Eaters) Tropidodipsas fasciata (Central American Banded Snail Eater) Tropidodipsas fischeri (Guatemalan Snail Eater) Tropidodipsas philippii (Sinaloan Snail Eater) Genus Tropidodryas (Atlantic Forest Tree Snakes) Tropidodryas serra (Atlantic Forest Lowland Tree Snake) Tropidodryas striaticeps (Atlantic Forest Highland Tree Snake) Genus Tropidonophis (Indo-Australian Keelbacks) Tropidonophis aenigmaticus (East Papuan Keelback) Tropidonophis dahlii (New Britain Keelback) Tropidonophis dendrophiops (Mindanao Keelback) Tropidonophis doriae (Barred Keelback) Tropidonophis halmahericus (Red-spotted Keelback) Tropidonophis hypomelas (Bismarck Keelback) Tropidonophis mairii (Australian Keelback) Tropidonophis mcdowelli (Northern Papuan Keelback) Tropidonophis montanus (North Irian Montane Keelback) Tropidonophis multiscutellatus (Papuan Many-scaled Keelback) Tropidonophis novaeguineae (Common Papuan Keelback) Tropidonophis parkeri (Highland Keelback) Tropidonophis picturatus (Papuan Painted Keelback) Tropidonophis spilogaster (Northern Philippine Keelback) Tropidonophis statisticus (Papuan Montane Keelback) Tropidonophis truncatus (Halmahera Keelback) Genus Uromacer (Hispaniolan Vine Snakes) Uromacer catesbyi (Blunt-headed Green Tree Snake) Uromacer oxyrhynchus (Sharp-nosed Tree Snake) Genus Urotheca (Glass-tailed Snakes) Urotheca decipiens (Collared Glass-tailed Snake) Urotheca fulviceps (Tawny-headed Glass-tailed Snake) Urotheca lateristriga (Ribboned Glass-tailed Snake) Urotheca multilineata (Many-striped Glass-tailed Snake) Urotheca pachyura (Thick-tailed Glass-tailed Snake) Urotheca guentheri (Orange-bellied Glass-tailed Snake) Genus Verdigrophis (Bluish-green Bush Rat Snakes) Verdigrophis prasinus (Green Bush Rat Snake) Genus Virginia (Smooth Earth Snake) Virginia valeriae (Smooth Earth Snake) Genus Wallaceophis (Gujarat Striped Whip Snake) Wallaceophis gujaratensis (Gujarat Striped Whip Snake) Genus Wallophis (Indian Smooth Snake) Wallophis brachyurus (Indian Smooth Snake) Genus Xenelaphis (Asian Brown Snakes) Xenelaphis ellipsifer (Ocellated Brown Snake) Xenelaphis hexagonotus (Sunda Brown Snake) Genus Xenochrophis (Oriental Painted Keelbacks) Xenochrophis maculatus (Malayan Spotted Keelback) Xenochrophis trianguligerus (South Asian Triangle Keelback) Genus Xenodon (Northern Mock Lanceheads and South American Hognose Snakes) Xenodon dorbignyi (Spotted Hognose Snake) Xenodon guentheri (Santa Catarina Mock Lancehead) Xenodon histricus (Rayed Hognose Snake) Xenodon matogrossensis (Mato Grosso Hognose Snake) Xenodon merremii (Toad-eating Mock Lancehead) Xenodon nattereri (Banded Hognose Snake) Xenodon neuwiedii (East Brazilian Mock Lancehead) Xenodon pulcher (Bolivian Hognose Snake) Xenodon rabdocephalus (Common Mock Lancehead) Xenodon semicinctus (Ringed Hognose Snake) Xenodon severus (Giant Mock Lancehead) Xenodon werneri (Guiana Green Snake) Genus Xenopholis (South American Flat-headed Snakes) Xenopholis scalaris (Northern Flat-headed Snake) Xenopholis undulatus (Southern Flat-headed Snake) Xenopholis werdingorum (Bolivian Flat-headed Snake) Genus Xenoxybelis (South American Vine Snakes) Xenoxybelis argenteus (Green-striped Vine Snake) Xenoxybelis boulengeri (Amazonian Vine Snake) Genus Zamenis (Western Palearctic Rat Snakes) Zamenis hohenackeri (Transcaucasian Rat Snake) Zamenis lineatus (South Italian Aesculapian Snake) Zamenis longissimus (Common Aesculapian Snake) Zamenis scalaris (Ladder Snake) Zamenis situla (Leopard Snake) Genus Zonateres (Pantanal Mock Viper) Zonateres lanei (Pantanal Mock Viper) Family Cyclocoridae (Philippine Burrowing Snakes, etc.) Genus Cyclocorus (Triangle-spotted Snakes) Cyclocorus lineatus (Northern Triangle-spotted Snake) Cyclocorus nuchalis (Southern Triangle-spotted Snake) Genus Hologerrhum (Philippine Cylindrical Snakes) Hologerrhum philippinum (Luzon Cylindrical Snake) Genus Oxyrhabdium (Philippine Burrowing Snakes) Oxyrhabdium leporinum (Philippine Banded Burrowing Snake) Oxyrhabdium modestum (Philippine Bandless Burrowing Snake) Family Cylindrophiidae (Asian Pipe Snakes) Genus Cylindrophis (Oriental Pipe Snakes) Cylindrophis opisthorhodus (Lesser Sundas Pipe Snake) Cylindrophis ruffus (Red-tailed Pipe Snake) Family Elapidae_1 (Cobras, Mambas, etc.) Genus Acanthophis (Death Adders) Acanthophis antarcticus (Southern Death Adder) Acanthophis laevis (Smooth-scaled Death Adder) Acanthophis praelongus (Northeastern Death Adder) Acanthophis pyrrhus (Desert Death Adder) Acanthophis rugosus (Rough-scaled Death Adder) Acanthophis wellsi (Pilbara Death Adder) Genus Antaioserpens (Robust Burrowing Snakes) Antaioserpens albiceps (Northeastern Plain-nosed Burrowing Snake) Genus Aspidelaps (Shield-nosed Cobras) Aspidelaps lubricus (African Coral Snake) Aspidelaps scutatus (Shield-nosed Coral Snake) Genus Aspidomorphus (Papuan Crowned Snakes) Aspidomorphus lineaticollis (Striped Crowned Snake) Aspidomorphus muelleri (Mount Lamantsiro Crowned Snake) Aspidomorphus schlegelii (Misool Crowned Snake) Genus Austrelaps (Australian Copperheads) Austrelaps labialis (Pygmy Copperhead) Austrelaps ramsayi (Highland Copperhead) Austrelaps superbus (Lowland Copperhead) Genus Brachyurophis (Australian Shovel-nosed Snakes) Brachyurophis approximans (Northwestern Shovel-nosed Snake) Brachyurophis australis (Eastern Shovel-nosed Snake) Brachyurophis campbelli (Einasleigh Shovel-nosed Snake) Brachyurophis fasciolatus (Narrow-banded Shovel-nosed Snake) Brachyurophis incinctus (Unbanded Shovel-nosed Snake) Brachyurophis morrisi (Arnhem Land Shovel-nosed Snake) Brachyurophis roperi (Northern Shovel-nosed Snake) Brachyurophis semifasciatus (Southern Shovel-nosed Snake) Genus Bungarus (Kraits) Bungarus bungaroides (Northeastern Hill Krait) Bungarus caeruleus (Blue Krait) Bungarus candidus (Malayan Krait) Bungarus fasciatus (Banded Krait) Bungarus flaviceps (Red-headed Krait) Bungarus lividus (Lesser Black Krait) Bungarus magnimaculatus (Burmese Krait) Bungarus niger (Greater Black Krait) Bungarus sindanus (Sind Krait) Bungarus walli (Faizabad Krait) Bungarus wanghaotingi (Yunnan Krait) Genus Cacophis (Australian Dwarf Crowned Snakes) Cacophis churchilli (Northern Dwarf Crowned Snake) Cacophis harriettae (White-crowned Snake) Cacophis krefftii (Southern Dwarf Crowned Snake) Cacophis squamulosus (Golden-crowned Snake) Genus Calliophis (South Asian Coral Snakes) Calliophis bibroni (Western Ghats Coral Snake) Calliophis bivirgatus (Red-bellied Coral Snake) Calliophis intestinalis (Malayan Striped Coral Snake) Calliophis maculiceps (Small-spotted Coral Snake) Calliophis melanurus (South Asian Slender Coral Snake) Calliophis nigrescens (Black Slender Coral Snake) Genus Cryptophis (Australian Small-eyed Snakes) Cryptophis boschmai (Carpentaria Small-eyed Snake) Cryptophis incredibilis (Pink Snake) Cryptophis nigrescens (Eastern Small-eyed Snake) Cryptophis nigrostriatus (Australian Black-striped Snake) Cryptophis pallidiceps (Northern Small-eyed Snake) Genus Demansia (Sahul Whip Snakes) Demansia angusticeps (Narrow-headed Whip Snake) Demansia calodera (Black-necked Whip Snake) Demansia flagellatio (Long-tailed Whip Snake) Demansia olivacea (Olive Whip Snake) Demansia papuensis (Greater Black Whip Snake) Demansia psammophis (Yellow-faced Whip Snake) Demansia quaesitor (Sombre Whip Snake) Demansia reticulata (Reticulated Whip Snake) Demansia rimicola (Channel Country Whip Snake) Demansia rufescens (Rufous Whip Snake) Demansia shinei (Frewena Whip Snake) Demansia simplex (Grey Whip Snake) Demansia torquata (Queensland Collared Whip Snake) Demansia vestigiata (Lesser Black Whip Snake) Genus Dendroaspis (Mambas) Dendroaspis angusticeps (Southern Green Mamba) Dendroaspis jamesonii (Central African Green Mamba) Dendroaspis polylepis (Black Mamba) Dendroaspis viridis (Western Green Mamba) Genus Denisonia (Mud Adder and Ornamental Snake) Denisonia devisi (Mud Adder) Genus Drysdalia (Australian Crowned Snakes) Drysdalia coronoides (White-lipped Snake) Drysdalia mastersi (Southern Crowned Snake) Drysdalia rhodogaster (Rose-bellied Whip Snake) Genus Echiopsis (Bardick) Echiopsis curta (Bardick) Genus Elapognathus (Western Crowned Snake and Large-eyed Sedge Snake) Elapognathus coronatus (Western Australian Crowned Snake) Elapognathus minor (Large-eyed Sedge Snake) Genus Elapsoidea (African Garter Snakes) Elapsoidea boulengeri (Zambezi Garter Snake) Elapsoidea guentherii (Western Garter Snake) Elapsoidea laticincta (Sudanese Garter Snake) Elapsoidea loveridgei (Northeastern Garter Snake) Elapsoidea nigra (Usambara Garter Snake) Elapsoidea semiannulata (Half-banded Garter Snake) Elapsoidea sundevallii (Southern African Garter Snake) Elapsoidea trapei (Senegal Garter Snake) Genus Furina (Australian Naped Snakes) Furina barnardi (Yellow-naped Snake) Furina diadema (Red-naped Snake) Furina ornata (Orange-naped Snake) Furina tristis (Grey-naped Snake) Genus Hemachatus (Ring-necked Spitting Cobras) Hemachatus haemachates (Southern Ring-necked Spitting Cobra) Genus Hemiaspis (Australian Swamp Snakes) Hemiaspis signata (Black-bellied Swamp Snake) Genus Hemibungarus (Barred Coral Snakes) Hemibungarus calligaster (Luzon Barred Coral Snake) Hemibungarus gemianulis (Visayas Barred Coral Snake) Hemibungarus mcclungi (Polillo Barred Coral Snake) Genus Hoplocephalus (Broad-headed Snakes) Hoplocephalus bitorquatus (Pale-headed Snake) Genus Leptomicrurus (Black-backed Coral Snakes) Leptomicrurus collaris (Guianan Black-backed Coral Snake) Leptomicrurus narduccii (Andean Black-backed Coral Snake) Leptomicrurus scutiventris (Pygmy Black-backed Coral Snake) Genus Micropechis (Papuan Small-eyed Snake) Micropechis ikaheka (Papuan Small-eyed Snake) Genus Micruroides (Western Coral Snake) Micruroides euryxanthus (Western Coral Snake) Genus Micrurus (American Coral Snakes) Micrurus albicinctus (White-banded Coral Snake) Micrurus alleni (Arrow-headed Coral Snake) Micrurus altirostris (Uruguayan Coral Snake) Micrurus ancoralis (Regal Coral Snake) Micrurus annellatus (Peruvian Annellated Coral Snake) Micrurus averyi (Black-headed Coral Snake) Micrurus baliocoryphus (Mesopotamian Coral Snake) Micrurus bocourti (Ecuadorian Coral Snake) Micrurus brasiliensis (Brazilian Coral Snake) Micrurus browni (Sierra Madre Coral Snake) Micrurus circinalis (Trinidad Coral Snake) Micrurus clarki (Yavisa Coral Snake) Micrurus corallinus (Painted Coral Snake) Micrurus decoratus (Decorated Coral Snake) Micrurus diana (Santa Cruz Coral Snake) Micrurus diastema (Western Variable Coral Snake) Micrurus dissoleucus (Pygmy Coral Snake) Micrurus distans (West Mexican Coral Snake) Micrurus dumerilii (Capuchin Coral Snake) Micrurus elegans (Elegant Coral Snake) Micrurus filiformis (South American Slender Coral Snake) Micrurus frontalis (Cerrado Coral Snake) Micrurus fulvius (Harlequin Coral Snake) Micrurus hemprichii (Worm-eating Coral Snake) Micrurus hippocrepis (Mayan Coral Snake) Micrurus isozonus (Venezuelan Coral Snake) Micrurus langsdorffi (Northwest Amazonian Coral Snake) Micrurus laticollaris (Balsan Coral Snake) Micrurus latifasciatus (Broad-ringed Coral Snake) Micrurus lemniscatus (Northern Ribbon Coral Snake) Micrurus limbatus (Tuxtlan Coral Snake) Micrurus margaritiferus (Speckled Coral Snake) Micrurus mertensi (Pacasmayo Desert Coral Snake) Micrurus mipartitus (Red-tailed Coral Snake) Micrurus mosquitensis (Misquito Coral Snake) Micrurus multifasciatus (Many-banded Coral Snake) Micrurus nattereri (Venezuelan Aquatic Coral Snake) Micrurus nigrocinctus (Central American Coral Snake) Micrurus obscurus (Western Amazonian Coral Snake) Micrurus ornatissimus (Ornate Coral Snake) Micrurus pacaraimae (Pacaraima Coral Snake) Micrurus paraensis (Para Coral Snake) Micrurus psyches (Carib Coral Snake) Micrurus pyrrhocryptus (Argentine Coral Snake) Micrurus remotus (Neblina Coral Snake) Micrurus serranus (Bolivian Mountain Coral Snake) Micrurus spixii (Central Amazonian Coral Snake) Micrurus steindachneri (Piedmont Coral Snake) Micrurus stewarti (Panamanian Coral Snake) Micrurus stuarti (Volcano Coral Snake) Micrurus surinamensis (Amazonian Aquatic Coral Snake) Micrurus tener (Texas Coral Snake) Micrurus tschudii (Desert Coral Snake) Micrurus putumayensis (Putumayo Coral Snake) Genus Naja (Typical Cobras) Naja anchietae (Southwest African Cobra) Naja annulata (Ringed Water Cobra) Naja annulifera (African Banded Cobra) Naja arabica (Arabian Cobra) Naja ashei (East African Spitting Cobra) Naja christyi (Congolese Water Cobra) Naja haje (Egyptian Cobra) Naja kaouthia (Monocellate Cobra) Naja katiensis (Brown Spitting Cobra) Naja melanoleuca (Central African Forest Cobra) Naja mossambica (Mozambique Spitting Cobra) Naja multifasciata (Burrowing Cobra) Naja naja (Indian Spectacled Cobra) Naja nigricincta (Western Barred Spitting Cobra) Naja nigricollis (Black-necked Spitting Cobra) Naja nivea (Yellow Cobra) Naja nubiae (Nubian Spitting Cobra) Naja pallida (Eastern Pallid Spitting Cobra) Naja samarensis (Southeastern Philippine Spitting Cobra) Naja savannula (West African Banded Cobra) Naja senegalensis (Senegalese Cobra) Naja sputatrix (Southern Indonesian Spitting Cobra) Naja subfulva (Brown Forest Cobra) Naja sumatrana (Sunda Spitting Cobra) Genus Narophis (Australian Black-naped Snake) Narophis bimaculatus (Australian Black-naped Snake) Genus Notechis (Australian Tiger Snake) Notechis scutatus (Australian Tiger Snake) Genus Oxyuranus (Taipans) Oxyuranus microlepidotus (Inland Taipan) Oxyuranus scutellatus (Eastern Taipan) Oxyuranus temporalis (Western Desert Taipan) Genus Paroplocephalus (Lake Cronin Snake) Paroplocephalus atriceps (Lake Cronin Snake) Genus Pseudechis (Australian Black Snakes and King Brown Snakes) Pseudechis australis (King Brown Snake) Pseudechis butleri (Spotted Mulga Snake) Pseudechis colletti (Reddish Black Snake) Pseudechis guttatus (Spotted Black Snake) Pseudechis pailsi (Eastern Dwarf Mulga Snake) Pseudechis porphyriacus (Red-bellied Black Snake) Pseudechis weigeli (Western Dwarf Mulga Snake) Genus Pseudohaje (Tree Cobras) Pseudohaje goldii (Central African Tree Cobra) Pseudohaje nigra (Black Tree Cobra) Genus Pseudonaja (Australian Brown Snakes) Pseudonaja affinis (Dugite) Pseudonaja aspidorhyncha (Shield-fronted Brown Snake) Pseudonaja guttata (Speckled Brown Snake) Pseudonaja inframacula (Peninsula Brown Snake) Pseudonaja ingrami (Blue-mouthed Brown Snake) Pseudonaja mengdeni (Western Brown Snake) Pseudonaja modesta (Ringed Brown Snake) Pseudonaja textilis (Eastern Brown Snake) Genus Rhinoplocephalus (Square-nosed Snake) Rhinoplocephalus bicolor (Square-nosed Snake) Genus Salomonelaps (Solomon Islands Coral Snake) Salomonelaps par (Solomon Islands Coral Snake) Genus Simoselaps (Australian Coral Snakes) Simoselaps anomalus (Northern Desert Banded Snake) Simoselaps bertholdi (Southern Desert Banded Snake) Simoselaps littoralis (West Coast Banded Snake) Simoselaps minimus (Dampierland Burrowing Snake) Genus Sinomicrurus (East Asian Coral Snakes) Sinomicrurus kelloggi (Indochinese Coral Snake) Sinomicrurus macclellandii (Southeast Asian Coral Snake) Sinomicrurus sauteri (Taiwanese Coral Snake) Genus Suta (Australian Hooded Snakes and Curl Snakes) Suta dwyeri (Eastern Hooded Snake) Suta fasciata (Western Hooded Snake) Suta flagellum (Lesser Whip Snake) Suta gouldii (Southwestern Black-headed Snake) Suta monachus (Inland Hooded Snake) Suta nigriceps (Mallee Black-backed Snake) Suta ordensis (Ord Curl Snake) Suta punctata (Lesser Spotted Snake) Suta spectabilis (Spectacled Hooded Snake) Suta suta (Eastern Curl Snake) Genus Toxicocalamus (Papuan Worm-eating Snakes) Toxicocalamus buergersi (Northern New Guinean Worm-eating Snake) Toxicocalamus holopelturus (Rossel Island Worm-eating Snake) Toxicocalamus loriae (Haveri Worm-eating Snake) Toxicocalamus mintoni (Sudest Worm-eating Snake) Toxicocalamus preussi (Sepik Worm-eating Snake) Toxicocalamus stanleyanus (Mount Stanley Worm-eating Snake) Genus Tropidechis (Rough-scaled Snake) Tropidechis carinatus (Rough-scaled Snake) Genus Vermicella (Bandy-bandys) Vermicella annulata (Eastern Bandy-bandy) Vermicella intermedia (Northern Bandy-bandy) Vermicella multifasciata (Narrow-banded Bandy-bandy) Vermicella snelli (Western Bandy-bandy) Vermicella vermiformis (Alice Springs Bandy-bandy) Genus Walterinnesia (Black Desert Cobras) Walterinnesia aegyptia (Western Black Desert Cobra) Walterinnesia morgani (Eastern Black Desert Cobra) Family Elapidae_2 (Sea Snakes) Genus Aipysurus (Olive Sea Snakes) Aipysurus duboisi (Reef Shallows Sea Snake) Aipysurus eydouxii (White-spotted Sea Snake) Aipysurus laevis (Olive Sea Snake) Aipysurus mosaicus (Mosaic Sea Snake) Genus Emydocephalus (Turtle-headed Sea Snakes) Emydocephalus annulatus (Annulated Turtle-headed Sea Snake) Emydocephalus ijimae (Japanese Turtle-headed Sea Snake) Genus Ephalophis (Broome Thick-tailed Sea Snake) Ephalophis greyae (Broome Thick-tailed Sea Snake) Genus Hydrelaps (Port Darwin Smooth Sea Snake) Hydrelaps darwiniensis (Port Darwin Smooth Sea Snake) Genus Hydrophis (Typical Sea Snakes) Hydrophis atriceps (Black-headed Sea Snake) Hydrophis brookii (Bornean Slender-necked Sea Snake) Hydrophis caerulescens (Bluish Slender-necked Sea Snake) Hydrophis coggeri (Pacific Yellow-banded Sea Snake) Hydrophis curtus (Short Sea Snake) Hydrophis cyanocinctus (Blue-banded Sea Snake) Hydrophis elegans (Bar-bellied Sea Snake) Hydrophis fasciatus (Banded Slender-necked Sea Snake) Hydrophis jerdonii (Cone-nosed Sea Snake) Hydrophis kingii (Spectacled Sea Snake) Hydrophis lamberti (Siamese Sea Snake) Hydrophis lapemoides (Persian Gulf Sea Snake) Hydrophis macdowelli (Small-headed Sea Snake) Hydrophis major (Olive-headed Sea Snake) Hydrophis obscurus (Northern Estuarine Sea Snake) Hydrophis ocellatus (Spotted Sea Snake) Hydrophis ornatus (Reef Sea Snake) Hydrophis peronii (Horned Sea Snake) Hydrophis platurus (Yellow-bellied Sea Snake) Hydrophis schistosus (Beaked Sea Snake) Hydrophis spiralis (Narrow-banded Sea Snake) Hydrophis stokesii (Large-headed Sea Snake) Genus Laticauda (Sea Kraits) Laticauda colubrina (Yellow-lipped Sea Krait) Laticauda laticaudata (Blue-lipped Sea Krait) Laticauda saintgironsi (New Caledonian Sea Krait) Family Gerrhopilidae (Indo-Malayan Blind Snakes) Genus Gerrhopilus (Indo-Malayan Blind Snakes) Gerrhopilus ater (Indonesian Black Blind Snake) Gerrhopilus depressiceps (Lowland Beaked Blind Snake) Gerrhopilus hedraeus (Negros Blind Snake) Gerrhopilus inornatus (Sogeri Blind Snake) Family Homalopsidae (Australasian Mud Snakes) Genus Bitia (Keel-bellied Estuarine Snake) Bitia hydroides (Keel-bellied Estuarine Snake) Genus Brachyorrhos (Moluccan Short-tailed Snakes) Brachyorrhos albus (Ambon Short-tailed Snake, (Seram Short-tailed Snake)) Genus Cantoria (Yellow-banded Mangrove Snake) Cantoria violacea (Yellow-banded Mangrove Snake) Genus Cerberus (Dog-faced Water Snakes) Cerberus australis (Australian Dog-faced Water Snake) Cerberus rynchops (Western Dog-faced Water Snake) Genus Enhydris (Asian Mud Snakes) Enhydris enhydris (Striped Mud Snake) Enhydris subtaeniata (Mekong Mud Snake) Genus Erpeton (Tentacled Snake) Erpeton tentaculatum (Tentacled Snake) Genus Ferania (Bengal Mud Snake) Ferania sieboldii (Bengal Mud Snake) Genus Fordonia (White-bellied Mangrove Snake) Fordonia leucobalia (White-bellied Mangrove Snake) Genus Gerarda (Glossy Marsh Snake) Gerarda prevostiana (Glossy Marsh Snake) Genus Homalophis (Bornean Mud Snakes) Homalophis doriae (Sarawak Mud Snake) Genus Homalopsis (Masked Water Snakes) Homalopsis buccata (Malayan Masked Water Snake) Homalopsis nigroventralis (Mekong Masked Water Snake) Genus Hypsiscopus (Orange-bellied Mud Snakes and Matanna Mud Snake) Hypsiscopus plumbea (Southern Orange-bellied Mud Snake) Genus Mintonophis (Pakistani Mud Snake) Mintonophis pakistanicus (Pakistani Mud Snake) Genus Myron (Indo-Australian Mangrove Snakes) Myron richardsonii (Eastern Mangrove Snake) Genus Myrrophis (Indochinese Mud Snakes) Myrrophis bennetti (Mangrove Mud Snake) Myrrophis chinensis (Chinese Mud Snake) Genus Pseudoferania (Australian Mud Snake) Pseudoferania polylepis (Australian Mud Snake) Genus Subsessor (Southeast Asian Mud Snake) Subsessor bocourti (Southeast Asian Mud Snake) Family Lamprophiidae (House Snakes, etc.) Genus Alluaudina (Madagascar Keeled Snakes) Alluaudina bellyi (Yellow-flanked Keeled Snake) Genus Alopecion (Spotted House Snake) Alopecion guttatum (Spotted House Snake) Genus Amblyodipsas (Purple-glossed Snakes and Quill-snouted Snakes) Amblyodipsas bicolor (Bicoloured Quill-snouted Snake) Amblyodipsas concolor (Natal Purple-glossed Snake) Amblyodipsas dimidiata (Mpwapwa Purple-glossed Snake) Amblyodipsas katangensis (Katanga Purple-glossed Snake) Amblyodipsas mechowii (Elongate Quill-snouted Snake) Amblyodipsas michelli (Katanga Quill-snouted Snake) Amblyodipsas microphthalma (Eastern Purple-glossed Snake) Amblyodipsas polylepis (Common Purple-glossed Snake) Amblyodipsas rodhaini (Congolese Purple-glossed Snake) Amblyodipsas sabiensis (Sabi Quill-snouted Snake) Amblyodipsas transvaalensis (Transvaal Quill-snouted Snake) Amblyodipsas unicolor (Equatorial Purple-glossed Snake) Amblyodipsas ventrimaculata (Kalahari Purple-glossed Snake) Genus Amplorhinus (Many-spotted Snake) Amplorhinus multimaculatus (Many-spotted Snake) Genus Aparallactus (African Centipede Eaters) Aparallactus capensis (Cape Centipede Eater) Aparallactus guentheri (East African Black Centipede Eater) Aparallactus jacksonii (Sudan Centipede Eater) Aparallactus lunulatus (Reticulated Centipede Eater) Aparallactus modestus (Western Forest Centipede Eater) Aparallactus moeruensis (Congolese Centipede Eater) Aparallactus niger (West African Black Centipede Eater) Aparallactus turneri (Malindi Centipede Eater) Aparallactus werneri (Usambara Centipede Eater) Genus Atractaspis (Stiletto Snakes) Atractaspis andersonii (Arabian Stiletto Snake) Atractaspis aterrima (Western Forest Stiletto Snake) Atractaspis bibronii (Southern Stiletto Snake) Atractaspis boulengeri (Central African Stiletto Snake) Atractaspis congica (Congo Stiletto Snake) Atractaspis corpulenta (Fat Stiletto Snake) Atractaspis dahomeyensis (Dahomey Stiletto Snake) Atractaspis duerdeni (Beaked Stiletto Snake) Atractaspis engaddensis (Palestine Stiletto Snake) Atractaspis engdahli (Kismayu Stiletto Snake) Atractaspis fallax (Eastern Small-scaled Stiletto Snake) Atractaspis irregularis (Variable Stiletto Snake) Atractaspis magrettii (Mandafena Stiletto Snake) Atractaspis microlepidota (Western Small-scaled Stiletto Snake) Atractaspis micropholis (Sahelian Stiletto Snake) Atractaspis reticulata (Reticulate Stiletto Snake) Atractaspis watsoni (Sokoto Stiletto Snake) Genus Boaedon (Afro-Arabian House Snakes) Boaedon abyssinicus (Abyssinian House Snake) Boaedon capensis (Brown House Snake) Boaedon fuliginosus (Common African House Snake) Boaedon lineatus (Lined House Snake) Boaedon littoralis (Coastal House Snake) Boaedon longilineatus (Long-lined House Snake) Boaedon maculatus (Somali House Snake) Boaedon mentalis (Namibe House Snake) Boaedon olivaceus (Olive House Snake) Boaedon paralineatus (Central African Lined House Snake) Boaedon perisilvestris (Central African Savanna House Snake) Boaedon radfordi (Lendu Plateau House Snake) Boaedon subflavus (Yellow House Snake) Boaedon subtaeniatus (White-bellied House Snake) Boaedon upembae (Upemba House Snake) Boaedon virgatus (West African House Snake) Genus Bofa (Ethiopian Forest Snake) Bofa erlangeri (Ethiopian Forest Snake) Genus Bothrolycus (Black Loreal-pitted Snake) Bothrolycus ater (Black Loreal-pitted Snake) Genus Bothrophthalmus (Red-and-Black Striped Snakes) Bothrophthalmus brunneus (Brown-bellied Snake) Bothrophthalmus lineatus (Red-and-Black Striped Snake) Genus Buhoma (African Forest Snakes) Buhoma depressiceps (Pale-headed Forest Snake) Genus Chamaelycus (African Banded Snakes) Chamaelycus christyi (Congolese Banded Snake) Chamaelycus fasciatus (Ituri Banded Snake) Chamaelycus parkeri (Kivu Banded Snake) Genus Chilorhinophis (Black-and-Yellow Burrowing Snakes) Chilorhinophis butleri (Sudan Black-and-Yellow Burrowing Snake) Chilorhinophis gerardi (Katanga Black-and-Yellow Burrowing Snake) Genus Compsophis (Madagascar Big-headed Snakes) Compsophis boulengeri (Andrangoloaka Big-headed Snake) Compsophis infralineatus (Striped Big-headed Snake) Compsophis laphystius (Ranomafana Big-headed Snake) Genus Dendrolycus (Central African Banded Snake) Dendrolycus elapoides (Central African Banded Snake) Genus Dipsina (Dwarf Beaked Snake) Dipsina multimaculata (Dwarf Beaked Snake) Genus Ditypophis (Socotra Night Snake) Ditypophis vivax (Socotra Night Snake) Genus Dromicodryas (Madagascar Striped Snakes) Dromicodryas bernieri (Madagascar Three-striped Snake) Dromicodryas quadrilineatus (Madagascar Four-striped Snake) Genus Dromophis (Olympic Snakes) Dromophis lineatus (Lined Olympic Snake) Dromophis praeornatus (Ornate Olympic Snake) Genus Duberria (African Slug Eaters) Duberria lutrix (Common Slug Eater) Duberria variegata (Spotted Slug Eater) Genus Elapotinus (White-collared Forest Snake) Elapotinus picteti (White-collared Forest Snake) Genus Gonionotophis (Lesser File Snakes) Gonionotophis brussauxi (Eastern Forest Dwarf File Snake) Gonionotophis grantii (Savanna Dwarf File Snake) Gonionotophis klingi (Western Forest Dwarf File Snake) Genus Gracililima (Black File Snake) Gracililima nyassae (Black File Snake) Genus Hemirhagerrhis (Bark Snakes) Hemirhagerrhis hildebrandtii (Kenyan Bark Snake) Hemirhagerrhis kelleri (Stripe-bellied Bark Snake) Hemirhagerrhis nototaenia (Southeastern Bark Snake) Hemirhagerrhis viperina (Viperine Bark Snake) Genus Heteroliodon (Madagascar Dwarf Snakes) Heteroliodon occipitalis (Light-banded Dwarf Snake) Genus Homoroselaps (African Harlequin Snakes) Homoroselaps lacteus (Spotted Harlequin Snake) Genus Hormonotus (Yellow Forest Snake) Hormonotus modestus (Yellow Forest Snake) Genus Hypoptophis (Wedge-snouted Burrowing Snake) Hypoptophis wilsoni (Wedge-snouted Burrowing Snake) Genus Inyoka (Swazi Rock Snake) Inyoka swazicus (Swazi Rock Snake) Genus Ithycyphus (Madagascar Night Snakes) Ithycyphus goudoti (Forest Night Snake) Ithycyphus miniatus (Tiny Night Snake) Ithycyphus oursi (Southwestern Night Snake) Ithycyphus perineti (Perinet Night Snake) Genus Kladirostratus (Striped Beaked Snakes) Kladirostratus acutus (Eastern Striped Beaked Snake) Kladirostratus togoensis (Western Striped Beaked Snake) Genus Lamprophis (SubSaharan House Snakes) Lamprophis aurora (Aurora House Snake) Lamprophis fiskii (Cape House Snake) Lamprophis fuscus (Yellow-bellied House Snake) Genus Langaha (Madagascar Leaf-nosed Snakes) Langaha alluaudi (Southwestern Leaf-nosed Snake) Langaha madagascariensis (Common Leaf-nosed Snake) Langaha pseudoalluaudi (Ambilobe Leaf-nosed Snake) Genus Leioheterodon (Madagascar Hognose Snakes) Leioheterodon geayi (Reticulated Hognose Snake) Leioheterodon madagascariensis (Giant Hognose Snake) Leioheterodon modestus (Brown Hognose Snake) Genus Limaformosa (Venus File Snakes) Limaformosa capensis (Cape File Snake) Limaformosa chanleri (Unicolor File Snake) Limaformosa crossi (Savanna File Snake) Limaformosa guirali (White-speckled Forest File Snake) Limaformosa savorgnani (Central African Forest File Snake) Limaformosa vernayi (Angolan File Snake) Genus Liophidium (Madagascar Smooth Snakes) Liophidium chabaudi (Toliara Smooth Snake) Liophidium rhodogaster (Madagascar Red-bellied Smooth Snake) Liophidium torquatus (White-lipped Smooth Snake) Liophidium vaillanti (Madagascar Black-backed Smooth Snake) Genus Liopholidophis (Madagascar Smooth Water Snakes) Liopholidophis dolicocercus (Eastern Rainforest Smooth Snake) Liopholidophis rhadinaea (Slender Smooth Snake) Liopholidophis sexlineatus (Six-lined Water Snake) Liopholidophis varius (Antsihanaka Water Snake) Genus Lycodonomorphus (Southern African Water Snakes) Lycodonomorphus bicolor (Tanganyika White-bellied Water Snake) Lycodonomorphus inornatus (Olive-brown House Snake) Lycodonomorphus laevissimus (Dusky-bellied Water Snake) Lycodonomorphus leleupi (Congo Dark-bellied Water Snake) Lycodonomorphus mlanjensis (Mulanje White-bellied Water Snake) Lycodonomorphus rufulus (Common Brown Water Snake) Lycodonomorphus whytii (Malawi Water Snake) Genus Lycodryas (Madagascar-Comoran Tree Snakes) Lycodryas gaimardi (Northeastern Tree Snake) Lycodryas granuliceps (Nosy Be Tree Snake) Lycodryas pseudogranuliceps (Ampijoroa Tree Snake) Genus Lycophidion (African Wolf Snakes) Lycophidion albomaculatum (White-spotted Wolf Snake) Lycophidion capense (Cape Wolf Snake) Lycophidion depressirostre (Flat-snouted Wolf Snake) Lycophidion irroratum (Western Forest Wolf Snake) Lycophidion laterale (Masked Wolf Snake) Lycophidion meleagre (Speckled Wolf Snake) Lycophidion multimaculatum (Many-spotted Wolf Snake) Lycophidion namibianum (Namibian Wolf Snake) Lycophidion nanum (Dwarf Wolf Snake) Lycophidion nigromaculatum (Black-spotted Wolf Snake) Lycophidion ornatum (Ornate Wolf Snake) Lycophidion semicinctum (Semi-annulated Wolf Snake) Lycophidion taylori (Somali Wolf Snake) Lycophidion uzungwense (Red-snouted Wolf Snake) Lycophidion variegatum (Variegated Wolf Snake) Genus Macrelaps (Natal Black Snake) Macrelaps microlepidotus (Natal Black Snake) Genus Madagascarophis (Madagascar Cat Snakes) Madagascarophis colubrinus (Common Madagascar Cat Snake) Madagascarophis meridionalis (Karimbola Cat Snake) Madagascarophis ocellatus (Ocellated Cat Snake) Genus Malpolon (Montpellier Snakes) Malpolon insignitus (Eastern Montpellier Snake) Malpolon moilensis (Moila Snake) Malpolon monspessulanus (Western Montpellier Snake) Genus Mehelya (Greater File Snakes) Mehelya laurenti (Congolese File Snake) Mehelya poensis (Western Forest File Snake) Mehelya stenophthalmus (Small-eyed File Snake) Genus Micropisthodon (Chevron-necked Snake) Micropisthodon ochraceus (Chevron-necked Snake) Genus Mimophis (Madagascar Sand Snakes) Mimophis mahfalensis (Southern Madagascar Sand Snake) Genus Parastenophis (Betsileo White-banded Tree Snake) Parastenophis betsileanus (Betsileo White-banded Tree Snake) Genus Phisalixella (Madagascar Banded Tree Snakes) Phisalixella arctifasciata (Black-naped Banded Tree Snake ) Phisalixella tulearensis (Western Banded Tree Snake) Genus Polemon (African Snake Eaters) Polemon acanthias (Five-striped Snake Eater) Polemon ater (Black Snake Eater) Polemon barthii (Guinea Snake Eater) Polemon bocourti (Lambarene Snake Eater) Polemon christyi (Eastern Snake Eater) Polemon collaris (Fawn-headed Snake Eater) Polemon fulvicollis (Yellow-necked Snake Eater) Polemon gabonensis (Gabon Snake Eater) Polemon gracilis (Slender Snake Eater) Polemon graueri (Central Lakes Snake Eater) Polemon griseiceps (Grey-headed Snake Eater) Polemon neuwiedi (West African Snake Eater) Polemon notatus (African Spotted Snake Eater) Polemon robustus (Robust Snake Eater) Genus Prosymna (Shovel-snout Snakes) Prosymna ambigua (Central African Shovel-snout) Prosymna angolensis (Angolan Shovel-snout) Prosymna bivittata (Two-striped Shovel-snout) Prosymna frontalis (Southwestern Shovel-snout) Prosymna greigerti (Sudan Savanna Shovel-snout) Prosymna janii (Mozambique Shovel-snout) Prosymna lineata (Lineolate Shovel-snout) Prosymna meleagris (Speckled Shovel-snout) Prosymna pitmani (Multi-scaled Shovel-snout) Prosymna ruspolii (Southern Somali Shovel-snout) Prosymna somalica (Northern Somali Shovel-snout) Prosymna stuhlmannii (East African Shovel-snout) Prosymna sundevallii (Southern African Shovel-snout) Prosymna visseri (Kaokoveld Shovel-snout) Genus Psammophis (Old World Sand Snakes and Grass Snakes) Psammophis aegyptius (Sahara Sand Snake) Psammophis angolensis (Dwarf Sand Snake) Psammophis ansorgii (Benguela Sand Snake) Psammophis biseriatus (Eastern Link-marked Sand Snake) Psammophis brevirostris (Short-snouted Grass Snake) Psammophis condanarus (Oriental Sand Snake) Psammophis crucifer (Cross-marked Grass Snake) Psammophis elegans (Elegant Sand Snake) Psammophis indochinensis (Indochinese Sand Snake) Psammophis jallae (Zimbabwe Sand Snake) Psammophis leightoni (Cape Sand Snake) Psammophis leithii (Pakistani Sand Snake) Psammophis leopardinus (Leopard Sand Snake) Psammophis lineolatus (Steppe Sand Snake) Psammophis longifrons (Stout Sand Snake) Psammophis mossambicus (East African Olive Grass Snake) Psammophis notostictus (Karoo Sand Snake) Psammophis orientalis (Eastern Stripe-bellied Sand Snake) Psammophis phillipsii (West African Olive Grass Snake) Psammophis pulcher (Venus Sand Snake) Psammophis punctulatus (Northern Speckled Sand Snake) Psammophis rukwae (Lake Rukwa Sand Snake) Psammophis schokari (Arabian Sand Snake) Psammophis sibilans (Hissing Sand Snake) Psammophis subtaeniatus (Western Stripe-bellied Sand Snake) Psammophis sudanensis (Sudan Sand Snake) Psammophis tanganicus (Tanganyika Sand Snake) Psammophis trigrammus (Western Sand Snake) Genus Psammophylax (Skaapstekers) Psammophylax ocellatus (Huila Skaapsteker) Psammophylax rhombeatus (Spotted Skaapsteker) Psammophylax tritaeniatus (Southern Striped Skaapsteker) Psammophylax variabilis (Grey-bellied Skaapsteker) Genus Pseudaspis (African Mole Snake) Pseudaspis cana (African Mole Snake) Genus Pseudoboodon (Ethiopian Labial-pitted Snakes) Pseudoboodon boehmei (Slender Labial-pitted Snake) Pseudoboodon gascae (Eritrean Labial-pitted Snake) Pseudoboodon lemniscatus (Striped Labial-pitted Snake) Genus Pseudoxyrhopus (Madagascar Ground Snakes) Pseudoxyrhopus heterurus (Night Ground Snake) Pseudoxyrhopus microps (Betsileo Ground Snake) Pseudoxyrhopus quinquelineatus (Five-striped Ground Snake) Pseudoxyrhopus tritaeniatus (Three-striped Ground Snake) Genus Pythonodipsas (Western Keeled Snake) Pythonodipsas carinata (Western Keeled Snake) Genus Rhamphiophis (Beaked Snakes) Rhamphiophis oxyrhynchus (Western Beaked Snake) Rhamphiophis rostratus (Rufous Beaked Snake) Rhamphiophis rubropunctatus (Red-spotted Beaked Snake) Genus Thamnosophis (Madagascar Thicket Water Snakes) Thamnosophis epistibes (Eastern Madagascar Water Snake) Thamnosophis infrasignatus (Ankafina Water Snake) Thamnosophis lateralis (Striped Water Snake) Family Leptotyphlopidae (Thread Snakes) Genus Epictia (Neotropical Thread Snakes) Epictia albifrons (Yellow-headed Thread Snake) Epictia albipuncta (White-spotted Thread Snake) Epictia ater (Central American Black Thread Snake) Epictia australis (Rio Negro Thread Snake) Epictia borapeliotes (Caatinga Thread Snake) Epictia columbi (Bahamas Thread Snake) Epictia diaplocia (Requena Thread Snake) Epictia goudotii (Neotropical Black Thread Snake) Epictia magnamaculata (Caribbean Black Thread Snake) Epictia munoai (Rio Grande do Sul Thread Snake) Epictia subcrotilla (Tumbes Thread Snake) Epictia tesselata (Lima Thread Snake) Epictia tricolor (Three-coloured Thread Snake) Epictia vellardi (Argentine Thread Snake) Genus Habrophallos (Collared Thread Snake) Habrophallos collaris (Collared Thread Snake) Genus Leptotyphlops (Typical Thread Snakes) Leptotyphlops aethiopicus (Ethiopian Thread Snake) Leptotyphlops conjunctus (Cape Thread Snake) Leptotyphlops distanti (Transvaal Thread Snake) Leptotyphlops emini (Karagwe Thread Snake) Leptotyphlops incognitus (Incognito Thread Snake) Leptotyphlops jacobseni (Lydenburg Thread Snake) Leptotyphlops kafubi (Shaba Thread Snake) Leptotyphlops macrops (Large-eyed Thread Snake) Leptotyphlops merkeri (Mount Kilimanjaro Thread Snake) Leptotyphlops nigricans (South African Black Thread Snake) Leptotyphlops nigroterminus (Black-tipped Thread Snake) Leptotyphlops pembae (Pemba Thread Snake) Leptotyphlops pitmani (Uganda Thread Snake) Leptotyphlops scutifrons (Zambezi Thread Snake) Leptotyphlops sylvicolus (Southern Forest Thread Snake) Genus Myriopholis (Many-scaled Thread Snakes) Myriopholis adleri (Chadian Thread Snake) Myriopholis albiventer (White-bellied Thread Snake) Myriopholis algeriensis (Algerian Thread Snake) Myriopholis boueti (Mali Thread Snake) Myriopholis braccianii (Eritrean Mountain Thread Snake) Myriopholis cairi (Egyptian Thread Snake) Myriopholis erythraea (Eritrean Lowland Thread Snake) Myriopholis ionidesi (Liwale Thread Snake) Myriopholis longicauda (Southern African Long-tailed Thread Snake) Myriopholis macrorhyncha (Large-snouted Thread Snake) Myriopholis narirostris (Sahel Thread Snake) Myriopholis nursii (Aden Thread Snake) Myriopholis perreti (Cameroon Thread Snake) Myriopholis rouxestevae (Senegal Thread Snake) Genus Namibiana (Southwest African Thread Snakes) Namibiana gracilior (Slender Thread Snake) Namibiana labialis (Damara Thread Snake) Namibiana latifrons (Benguela Thread Snake) Namibiana occidentalis (Western Namaqua Thread Snake) Namibiana rostrata (Angolan Beaked Thread Snake) Genus Rena (Maroon Thread Snakes) Rena dulcis (Texas Thread Snake) Rena humilis (Western Thread Snake) Rena maxima (Giant Thread Snake) Genus Rhinoleptus (West African Sharp-nosed Thread Snake) Rhinoleptus koniagui (West African Sharp-nosed Thread Snake) Genus Siagonodon (Mandible-toothed Thread Snakes) Siagonodon borrichianus (Mendoza Thread Snake) Siagonodon cupinensis (Mato Grosso Thread Snake) Siagonodon septemstriatus (Eastern Seven-lined Thread Snake) Siagonodon unguirostris (Cordoba Thread Snake) Genus Tetracheilostoma (Lesser Antillean Thread Snakes) Tetracheilostoma bilineatum (Martinique Thread Snake) Genus Tricheilostoma (West African Forest Thread Snakes) Tricheilostoma bicolor (Bicoloured Thread Snake) Tricheilostoma sundewalli (Central African Thread Snake) Genus Trilepida (Three-scaled Thread Snakes) Trilepida acutirostris (Brazilian Sharp-nosed Thread Snake) Trilepida brasiliensis (Bahia Thread Snake) Trilepida dimidiata (Dainty Thread Snake) Trilepida dugandi (Junamina Thread Snake) Trilepida fuliginosa (Preto River Thread Snake) Trilepida jani (Espinhaco Mountains Thread Snake) Trilepida joshuai (Jerico Thread Snake) Trilepida koppesi (Terenos Thread Snake) Trilepida macrolepis (Large-scaled Thread Snake) Trilepida salgueiroi (Espirito Santo Thread Snake) Family Loxocemidae (Neotropical Sunbeam Snake) Genus Loxocemus (Neotropical Sunbeam Snake) Loxocemus bicolor (Neotropical Sunbeam Snake) Family Micrelapidae (Short-jawed Rear-fanged Snakes) Genus Micrelaps (Afro-Asian Black-headed Snakes) Micrelaps bicoloratus (Kenya Two-coloured Snake) Micrelaps muelleri (Israeli Black-headed Snake) Micrelaps vaillanti (Somali Black-headed Snake) Family Pareidae (Oriental Slug Eaters) Genus Aplopeltura (Blunt-headed Slug Eater) Aplopeltura boa (Blunt-headed Slug Eater) Genus Asthenodipsas (Malayan Slug Eaters) Asthenodipsas laevis (Smooth Slug Eater) Asthenodipsas malaccana (Western Dark-necked Slug Eater) Asthenodipsas vertebralis (Mountain Slug Eater) Genus Pareas (Typical Oriental Slug Eaters) Pareas boulengeri (Guizhou Slug Eater) Pareas carinatus (Keeled Slug Eater) Pareas chinensis (Chinese Slug Eater) Pareas formosensis (Taiwanese Red-eyed Slug Eater) Pareas hamptoni (Burmese Slug Eater) Pareas margaritophorus (White-spotted Slug Eater) Pareas monticola (Assam Slug Eater) Pareas niger (Mengzi Slug Eater) Pareas nigriceps (Black-headed Slug Eater) Pareas nuchalis (Barred Slug Eater) Genus Xylophis (Narrow-headed Snakes) Xylophis captaini (Kannam Narrow-headed Snake) Xylophis perroteti (Spotted Narrow-headed Snake) Family Psammodynastidae (Asian Mock Vipers) Genus Psammodynastes (Asian Mock Vipers) Psammodynastes pictus (Painted Mock Viper) Psammodynastes pulverulentus (Dusky Mock Viper) Family Pythonidae (Pythons) Genus Antaresia (Australian Dwarf Pythons) Antaresia childreni (Faded Python) Antaresia maculosa (Australian Spotted Python) Antaresia perthensis (Pygmy Python) Antaresia stimsoni (Large-blotched Python) Genus Aspidites (Shield-headed Pythons) Aspidites melanocephalus (Black-headed Python) Aspidites ramsayi (Sand Python) Genus Bothrochilus (Bismarck Ringed Python and White-lipped Pythons) Bothrochilus boa (Bismarck Ringed Python) Genus Leiopython (Bismarck Ringed Python and White-lipped Pythons) Leiopython albertisii (Northern White-lipped Python) Genus Liasis (Water Pythons and Australian Olive Python) Liasis fuscus (Brown Water Python) Liasis mackloti (Timor Water Python) Liasis olivaceus (Australian Olive Python) Liasis papuanus (Papuan Olive Python) Genus Malayopython (Malayan Pythons) Malayopython reticulatus (Reticulated Python) Genus Morelia (Carpet Pythons and allies) Morelia bredli (Centralian Carpet Python) Morelia carinata (Rough-scaled Python) Morelia spilota (Carpet Python) Morelia viridis (Southern Green Tree Python) Genus Python (Typical Pythons) Python anchietae (Angolan Python) Python breitensteini (Borneo Short-tailed Python) Python brongersmai (Blood Python) Python curtus (Sumatra Short-tailed Python) Python natalensis (Southern Rock Python) Genus Simalia (Scrub Pythons) Simalia amethistina (Amethystine Python) Family Tropidophiidae (Dwarf Boas) Genus Trachyboa (Rough-scaled Dwarf Boas) Trachyboa boulengeri (Northern Rough-scaled Dwarf Boa) Genus Tropidophis (Typical Dwarf Boas) Tropidophis curtus (Northern Bahamas Dwarf Boa) Tropidophis maculatus (Spotted Red Dwarf Boa) Tropidophis melanurus (Giant Dwarf Boa) Tropidophis pardalis (Spotted Brown Dwarf Boa) Tropidophis paucisquamis (Southern Brazilian Dwarf Boa) Tropidophis semicinctus (Yellow-banded Dwarf Boa) Tropidophis wrighti (Gracile Banded Dwarf Boa) Tropidophis xanthogaster (Guanahacabibes Dwarf Boa) Family Typhlopidae (Typical Blind Snakes) Genus Afrotyphlops (African Giant Blind Snakes) Afrotyphlops angolensis (Golden Blind Snake) Afrotyphlops anomalus (Angolan Giant Blind Snake) Afrotyphlops bibronii (Southern African Blind Snake) Afrotyphlops brevis (Somali Giant Blind Snake) Afrotyphlops calabresii (Hargeisa Blind Snake) Afrotyphlops congestus (Marbled Blind Snake) Afrotyphlops decorosus (Cameroon Gracile Blind Snake) Afrotyphlops elegans (Principe Blind Snake) Afrotyphlops fornasinii (East African Blind Snake) Afrotyphlops liberiensis (Liberian Blind Snake) Afrotyphlops lineolatus (Lineolate Blind Snake) Afrotyphlops mucruso (Zambezi Giant Blind Snake) Afrotyphlops obtusus (Southern Gracile Blind Snake) Afrotyphlops punctatus (Spotted Blind Snake) Afrotyphlops schlegelii (Variable Giant Blind Snake) Afrotyphlops steinhausi (Common Cameroon Blind Snake) Afrotyphlops tanganicus (Liwale Blind Snake) Genus Amerotyphlops (American Blind Snakes) Amerotyphlops amoipira (Amoipira Blind Snake) Amerotyphlops arenensis (Paraiba Blind Snake) Amerotyphlops costaricensis (Costa Rican Blind Snake) Amerotyphlops microstomus (Yucatan Blind Snake) Amerotyphlops minuisquamus (Amazon Basin Blind Snake) Amerotyphlops paucisquamus (Small-scaled Blind Snake) Amerotyphlops reticulatus (Reticulated Blind Snake) Amerotyphlops tenuis (Coffee Blind Snake) Amerotyphlops yonenagae (Santo Inacio Blind Snake) Amerotyphlops brongersmianus (Bahia Blind Snake) Genus Anilios (Australian Blind Snakes) Anilios affinis (Australian Small-headed Blind Snake) Anilios ammodytes (Pilbara Short-nosed Blind Snake) Anilios aspinus (Round-tailed Blind Snake) Anilios australis (Southwestern Blind Snake) Anilios bicolor (Dark-spined Blind Snake) Anilios bituberculatus (Prong-snouted Blind Snake) Anilios broomi (Faint-striped Blind Snake) Anilios centralis (Centralian Blind Snake) Anilios chamodracaena (Cape York Striped Blind Snake) Anilios diversus (Northern Australian Blind Snake) Anilios endoterus (Interior Blind Snake) Anilios erycinus (Northern Papuan Blind Snake) Anilios fossor (Ruby Gap Blind Snake) Anilios ganei (Cathedral Gorge Blind Snake) Anilios grypus (Black-tailed Beaked Blind Snake) Anilios guentheri (Top End Blind Snake) Anilios hamatus (Northern Hook-snouted Blind Snake) Anilios kimberleyensis (Kimberley Shallow-soil Blind Snake) Anilios leptosomus (Murchison Blind Snake) Anilios leucoproctus (White-tailed Blind Snake) Anilios ligatus (Robust Blind Snake) Anilios margaretae (Buff-snouted Blind Snake) Anilios minimus (Groote Eylandt Dwarf Blind Snake) Anilios nema (Fannie Bay Blind Snake) Anilios nigrescens (Blackish Blind Snake) Anilios pilbarensis (Pilbara Beaked Blind Snake) Anilios pinguis (Fat Blind Snake) Anilios proximus (Proximus Blind Snake) Anilios silvia (Cooloola Blind Snake) Anilios torresianus (Torres Blind Snake) Anilios tovelli (Darwin Blind Snake) Anilios troglodytes (Sandamara Blind Snake) Anilios unguirostris (Claw-snouted Blind Snake) Anilios waitii (Common Beaked Blind Snake) Anilios wiedii (Brown-snouted Blind Snake) Anilios yirrikalae (Yirrikala Blind Snake) Genus Antillotyphlops (Eastern Antillean Blind Snakes) Antillotyphlops dominicanus (Dominica Blind Snake) Antillotyphlops guadeloupensis (Guadeloupe Blind Snake) Antillotyphlops hypomethes (Puerto Rican Coastal Blind Snake) Antillotyphlops monensis (Mona Blind Snake) Antillotyphlops platycephalus (Puerto Rican White-tailed Blind Snake) Genus Argyrophis (Southeast Asian Blind Snakes) Argyrophis diardii (Greater Blind Snake) Argyrophis muelleri (Malayan Bicoloured Blind Snake) Genus Cubatyphlops (Cuban Blind Snakes) Cubatyphlops biminiensis (Bahamas Slender Blind Snake) Cubatyphlops perimychus (Guantanamo Bay Blind Snake) Genus Grypotyphlops (Indian Beaked Blind Snake) Grypotyphlops acutus (Indian Beaked Blind Snake) Genus Indotyphlops (South Asian Blind Snakes) Indotyphlops jerdoni (Khasi Hills Blind Snake) Indotyphlops pammeces (Tamil Nadu Blind Snake) Indotyphlops porrectus (Indian Slender Blind Snake) Indotyphlops schmutzi (Komodo Blind Snake) Genus Letheobia (African Gracile Blind Snakes) Letheobia acutirostrata (Irebu Gracile Blind Snake) Letheobia caeca (Congolese Gracile Blind Snake) Letheobia crossii (Nigerian Gracile Blind Snake) Letheobia debilis (Feeble Gracile Blind Snake) Letheobia gracilis (Urungu Gracile Blind Snake) Letheobia graueri (Lake Tanganyika Gracile Blind Snake) Letheobia kibarae (Upemba Gracile Blind Snake) Letheobia lumbriciformis (Zanzibar Gracile Blind Snake) Letheobia praeocularis (Flat-headed Blind Snake) Letheobia rufescens (Oubangui Gracile Blind Snake) Letheobia simoni (Israelian Blind Snake) Letheobia somalica (Ethiopian Gracile Blind Snake) Letheobia stejnegeri (Kasai Blind Snake) Letheobia sudanensis (Garamba Gracile Blind Snake) Letheobia swahilica (Swahili Gracile Blind Snake) Letheobia toritensis (Torit Gracile Blind Snake) Letheobia wittei (Ubangi Gracile Blind Snake) Genus Madatyphlops (Malagasy Blind Snakes) Madatyphlops boettgeri (Southwest Madagascar Blind Snake) Madatyphlops decorsei (Ambovombe Blind Snake) Genus Malayotyphlops (Malay Archipelago Blind Snakes) Malayotyphlops castanotus (Brown-bellied Blind Snake) Malayotyphlops luzonensis (Luzon Blind Snake) Malayotyphlops ruber (Samar Red Blind Snake) Genus Ramphotyphlops (Western Pacific Blind Snakes) Ramphotyphlops acuticauda (Palau Blind Snake) Ramphotyphlops albiceps (Southeast Asian White-headed Blind Snake) Ramphotyphlops depressus (Melanesian Blind Snake) Ramphotyphlops flaviventer (Yellow-bellied Blind Snake) Ramphotyphlops lineatus (Striped Blind Snake) Ramphotyphlops multilineatus (Indonesian Hook-nosed Blind Snake) Ramphotyphlops olivaceus (Olive Blind Snake) Genus Rhinotyphlops (African Beaked Blind Snakes) Rhinotyphlops ataeniatus (Somali Gracile Blind Snake) Rhinotyphlops boylei (Kalahari Beaked Blind Snake) Rhinotyphlops lalandei (Cape Blind Snake) Rhinotyphlops schinzi (Black-spotted Beaked Blind Snake) Rhinotyphlops scorteccii (Afgoi Gracile Blind Snake) Rhinotyphlops unitaeniatus (Yellow-striped Gracile Blind Snake) Genus Sundatyphlops (Lesser Sunda Blind Snakes) Sundatyphlops polygrammicus (Many-lined Blind Snake) Genus Typhlops (Afro-Caribbean Blind Snakes) Typhlops coecatus (Ghanese Blind Snake) Typhlops jamaicensis (Jamaican Blind Snake) Typhlops lumbricalis (Bahamas Brown Blind Snake) Typhlops pusillus (Hispaniolan Common Blind Snake) Typhlops rostellatus (Puerto Rican Brown-bellied Blind Snake) Genus Virgotyphlops (Brahminy Blind Snake) Virgotyphlops braminus (Brahminy Blind Snake) Genus Xerotyphlops (Desert Blind Snakes) Xerotyphlops vermicularis (European Blind Snake) Family Uropeltidae (Shield-tailed Snakes) Genus Melanophidium (Black Shieldtails) Melanophidium wynaudense (Wayanad Shieldtail) Genus Plectrurus (South Indian Shieldtails) Plectrurus perrotetii (Nilgiri Shieldtail) Genus Rhinophis (Sharp-nosed Shieldtails) Rhinophis sanguineus (Red-tailed Shieldtail) Genus Teretrurus (Red-bellied Shieldtail) Teretrurus rhodogaster (Red-bellied Shieldtail) Teretrurus sanguineus (Anaimalai Red Shieldtail) Genus Uropeltis (Typical Shieldtails) Uropeltis ellioti (Madras Shieldtail) Uropeltis macrolepis (Large-scaled Shieldtail) Uropeltis ocellata (Ocellate Shieldtail) Uropeltis pulneyensis (Palani Hills Shieldtail) Uropeltis rubrolineata (Red-lined Shieldtail) Uropeltis rubromaculata (Red-spotted Shieldtail) Uropeltis woodmasoni (Indian Black-bellied Shieldtail) Family Viperidae (Vipers) Genus Agkistrodon (American Copperheads, Cottonmouths, and Cantils) Agkistrodon contortrix (Eastern Copperhead) Agkistrodon piscivorus (Northern Cottonmouth) Agkistrodon taylori (Ornate Cantil) Genus Atheris (African Bush Vipers) Atheris anisolepis (Mayombe Bush Viper) Atheris broadleyi (Lipondji Bush Viper) Atheris chlorechis (West African Green Bush Viper) Atheris hispida (Rough-scaled Bush Viper) Atheris nitschei (Great Lakes Bush Viper) Atheris rungweensis (Mount Rungwe Bush Viper) Atheris squamigera (Southern Green Bush Viper) Genus Atropoides (Costa Rican Jumping Pitviper) Atropoides picadoi (Costa Rican Jumping Pitviper) Genus Azemiops (Asian Mole Vipers) Azemiops feae (Black-headed Mole Viper) Genus Bitis (African Adders) Bitis arietans (Common Puff Adder) Bitis atropos (Cape Mountain Adder) Bitis caudalis (Horned Adder) Bitis cornuta (Many-horned Adder) Bitis inornata (Plain Mountain Adder) Bitis peringueyi (Namib Dwarf Sand Adder) Bitis rhinoceros (Rhinoceros Viper) Bitis rubida (South African Red Adder) Bitis schneideri (Namaqua Dwarf Adder) Bitis xeropaga (Desert Mountain Adder) Genus Bothriechis (Palm Pitvipers) Bothriechis bicolor (Guatemalan Palm Pitviper) Bothriechis lateralis (Side-striped Palm Pitviper) Bothriechis nigroviridis (Black-speckled Palm Pitviper) Bothriechis schlegelii (South American Eyelash Palm Pitviper) Bothriechis supraciliaris (Blotched Palm Pitviper) Genus Bothrocophias (Toad-headed Pitvipers) Bothrocophias andianus (Andean Toad-headed Pitviper) Bothrocophias colombianus (Colombian Toad-headed Pitviper) Bothrocophias hyoprora (Amazonian Toad-headed Pitviper) Bothrocophias microphthalmus (Small-eyed Toad-headed Pitviper) Genus Bothrops (American Lanceheads) Bothrops alternatus (Urutu) Bothrops ammodytoides (Patagonian Lancehead) Bothrops asper (Central American Lancehead) Bothrops atrox (Common Lancehead) Bothrops bilineatus (Two-striped Forest Pitviper) Bothrops brazili (Southern Velvety Lancehead) Bothrops chloromelas (Inca Forest Pitviper) Bothrops cotiara (Southeast Brazilian Lancehead) Bothrops diporus (Chaco Lancehead) Bothrops erythromelas (Caatinga Lancehead) Bothrops fonsecai (Rio de Janeiro Lancehead) Bothrops jararaca (Jararaca) Bothrops jararacussu (Jararacussu) Bothrops leucurus (Bahia Lancehead) Bothrops lutzi (Cerrado Lancehead) Bothrops marajoensis (Marajo Lancehead) Bothrops marmoratus (Marbled Lancehead) Bothrops mattogrossensis (Mato Grosso Lancehead) Bothrops moojeni (Brazilian Lancehead) Bothrops neuwiedi (Eastern Brazilian Lancehead) Bothrops oligolepis (Peruvian Forest Pitviper) Bothrops pauloensis (Black-faced Lancehead) Bothrops pictus (Desert Lancehead) Bothrops pubescens (Pampas Lancehead) Bothrops pulcher (Andean Forest Pitviper) Bothrops punctatus (Chocoan Lancehead) Bothrops sanctaecrucis (Bolivian Lancehead) Bothrops taeniatus (Speckled Forest Pitviper) Bothrops venezuelensis (Venezuelan Lancehead) Genus Calloselasma (Malayan Pitviper) Calloselasma rhodostoma (Malayan Pitviper) Genus Causus (Night Adders) Causus bilineatus (Two-striped Night Adder) Causus defilippii (Snouted Night Adder) Causus lichtensteinii (Forest Night Adder) Causus maculatus (West African Night Adder) Causus resimus (Northern Green Night Adder) Causus rhombeatus (Rhombic Night Adder) Genus Cerastes (Horned Vipers) Cerastes cerastes (Sahara Horned Viper) Cerastes gasperettii (Middle Eastern Horned Viper) Cerastes vipera (Sahara Sand Viper) Genus Cerrophidion (Central American Montane Pitvipers) Cerrophidion godmani (Guatemalan Montane Pitviper) Cerrophidion tzotzilorum (Tzotzil Montane Pitviper) Genus Craspedocephalus (Ridge-nosed Tree Pitvipers) Craspedocephalus andalasensis (Sumatran Palm Pitviper) Craspedocephalus borneensis (Bornean Flat-nosed Pitviper) Craspedocephalus gramineus (Indian Green Pitviper) Craspedocephalus malabaricus (Malabar Rock Pitviper) Craspedocephalus puniceus (Ashy Pitviper) Craspedocephalus strigatus (Horseshoe Pitviper) Craspedocephalus trigonocephalus (Sri Lankan Green Pitviper) Craspedocephalus wiroti (Peninsular Palm Pitviper) Genus Crotalus (Typical Rattlesnakes) Crotalus adamanteus (Eastern Diamondback Rattlesnake) Crotalus angelensis (Angel de la Guarda Island Speckled Rattlesnake) Crotalus aquilus (Queretaran Dusky Rattlesnake) Crotalus atrox (Western Diamondback Rattlesnake) Crotalus basiliscus (Mexican West Coast Rattlesnake) Crotalus caliginis (Coronado Sur Island Rattlesnake) Crotalus cerastes (Sidewinder) Crotalus durissus (South American Rattlesnake) Crotalus enyo (Baja California Rattlesnake) Crotalus estebanensis (San Esteban Island Black-tailed Rattlesnake) Crotalus horridus (Timber Rattlesnake) Crotalus intermedius (Mexican Small-headed Rattlesnake) Crotalus lepidus (Common Rock Rattlesnake) Crotalus lorenzoensis (San Lorenzo Sur Island Red Diamond Rattlesnake) Crotalus mitchellii (San Lucan Speckled Rattlesnake) Crotalus molossus (Western Black-tailed Rattlesnake) Crotalus muertensis (El Muerto Island Speckled Rattlesnake) Crotalus oreganus (Northern Pacific Rattlesnake) Crotalus polystictus (Mexican Lance-headed Rattlesnake) Crotalus pricei (Twin-spotted Rattlesnake) Crotalus ravus (Central Plateau Pygmy Rattlesnake) Crotalus ruber (Red Diamond Rattlesnake) Crotalus scutulatus (Mojave Rattlesnake) Crotalus simus (Central American Rattlesnake) Crotalus tigris (Tiger Rattlesnake) Crotalus tortugensis (Tortuga Island Diamondback Rattlesnake) Crotalus totonacus (Totonacan Rattlesnake) Crotalus transversus (Cross-banded Mountain Rattlesnake) Crotalus triseriatus (Mexican Dusky Rattlesnake) Crotalus tzabcan (Yucatan Rattlesnake) Crotalus viridis (Prairie Rattlesnake) Crotalus willardi (Ridge-nosed Rattlesnake) Genus Daboia (Daboias) Daboia palaestinae (Palestinian Viper) Daboia russelii (Indian Chain Viper) Daboia siamensis (Siamese Chain Viper) Genus Echis (Carpet Vipers) Echis borkini (Yemen Carpet Viper) Echis carinatus (Common Carpet Viper) Echis coloratus (Painted Carpet Viper) Echis khosatzkii (Dhofar Carpet Viper) Echis leucogaster (White-bellied Carpet Viper) Echis ocellatus (West African Carpet Viper) Echis omanensis (Oman Carpet Viper) Echis pyramidum (North East African Carpet Viper) Echis romani (Chadian Carpet Viper) Genus Eristicophis (Leaf-nosed Viper) Eristicophis macmahonii (Leaf-nosed Viper) Genus Garthius (Kinabalu Brown Pitviper) Garthius chaseni (Kinabalu Brown Pitviper) Genus Gloydius (Mamushis) Gloydius blomhoffii (Japanese Mamushi) Gloydius brevicaudus (Short-tailed Mamushi) Gloydius halys (Central Asian Mamushi) Gloydius himalayanus (Himalayan Mamushi) Gloydius intermedius (Siberian Mamushi) Gloydius saxatilis (Rock Mamushi) Gloydius strauchi (Sichuan Mamushi) Gloydius tsushimaensis (Tsushima Mamushi) Gloydius ussuriensis (Ussuri Mamushi) Genus Himalayophis (Himalayan Pitvipers) Himalayophis tibetanus (Tibetan Bamboo Pitviper) Genus Hypnale (Hump-nosed Pitvipers) Hypnale hypnale (Indian Hump-nosed Pitviper) Genus Lachesis (Bushmasters) Lachesis acrochorda (Chocoan Bushmaster) Lachesis muta (South American Bushmaster) Genus Macrovipera (Giant Vipers) Macrovipera lebetinus (Blunt-nosed Viper) Genus Metlapilcoatlus (Northern Jumping Pitvipers) Metlapilcoatlus mexicanus (Central American Jumping Pitviper) Metlapilcoatlus nummifer (Mexican Jumping Pitviper) Metlapilcoatlus occiduus (Guatemalan Jumping Pitviper) Metlapilcoatlus olmec (Tuxtlan Jumping Pitviper) Genus Montivipera (Middle East Mountain Vipers) Montivipera bulgardaghica (Taurus Viper) Montivipera xanthina (Ottoman Viper) Genus Ovophis (Asian Mountain Pitvipers) Ovophis convictus (Indo-Malayan Mountain Pitviper) Ovophis gracilis (Kikushi Habu) Ovophis makazayazaya (Eastern Mountain Pitviper) Ovophis monticola (Western Mountain Pitviper) Ovophis okinavensis (Kufah) Ovophis tonkinensis (Tonkin Pitviper) Ovophis zayuensis (Zayu Mountain Pitviper) Genus Parias (Malay Archipelago Pitvipers) Parias flavomaculatus (Yellow-spotted Pitviper) Parias hageni (Bangka Green Pitviper) Parias schultzei (Palawan Pitviper) Parias sumatranus (Grey-eyed Sumatran Pitviper) Genus Popeia (South Asian Bamboo Pitvipers) Popeia popeiorum (Northern Bamboo Pitviper) Popeia sabahi (Sunda Bamboo Pitviper) Genus Porthidium (Hognosed Pitvipers) Porthidium dunni (Tehuantepec Hognosed Pitviper) Porthidium lansbergi (Colombian Hognosed Pitviper) Porthidium nasutum (Rainforest Hognosed Pitviper) Porthidium ophryomegas (Slender Hognosed Pitviper) Porthidium porrasi (White-tailed Hognosed Pitviper) Porthidium yucatanicum (Yucatan Hognosed Pitviper) Genus Proatheris (Lowland Swamp Viper) Proatheris superciliaris (Lowland Swamp Viper) Genus Protobothrops (Habus and allies) Protobothrops elegans (Elegant Pitviper) Protobothrops flavoviridis (Common Habu) Protobothrops himalayanus (Himalayan Habu) Protobothrops jerdonii (Spotted Mountain Pitviper) Protobothrops mucrosquamatus (Brown-spotted Pitviper) Protobothrops xiangchengensis (Kham Plateau Pitviper) Genus Pseudocerastes (False Horned Vipers) Pseudocerastes fieldi (Western False Horned Viper) Pseudocerastes persicus (Persian Horned Viper) Genus Sistrurus (Pygmy Rattlesnakes) Sistrurus catenatus (Eastern Massasauga) Sistrurus miliarius (North American Pygmy Rattlesnake) Genus Trimeresurus (Oriental Pitvipers) Trimeresurus albolabris (Northeastern White-lipped Tree Pitviper) Trimeresurus andersoni (Andaman Pitviper) Trimeresurus cardamomensis (Cardamom Mountains Green Pitviper) Trimeresurus erythrurus (Red-tailed Pitviper) Trimeresurus insularis (Lesser Sundas White-lipped Pitviper) Trimeresurus macrops (Big-eyed Green Pitviper) Trimeresurus purpureomaculatus (Mangrove Pitviper) Trimeresurus septentrionalis (Northern White-lipped Pitviper) Genus Tropidolaemus (Temple Pitvipers) Tropidolaemus philippensis (South Philippine Temple Pitviper) Tropidolaemus subannulatus (North Philippine Temple Pitviper) Tropidolaemus wagleri (Speckled Pitviper) Genus Vipera (Typical Vipers or Adders) Vipera ammodytes (European Nose-horned Viper) Vipera berus (Northern Eurasian Viper) Genus Viridovipera (Green Tree Pitvipers) Viridovipera gumprechti (Phu Luang Green Tree Pitviper) Viridovipera stejnegeri (Chinese Green Tree Pitviper) Viridovipera vogeli (Khao Yai Green Tree Pitviper) Viridovipera yunnanensis (Yunnan Green Tree Pitviper) Family Xenodermidae (Asian Litter Snakes) Genus Achalinus (East Asian Burrowing Snakes) Achalinus dehuaensis (Dehua Burrowing Snake) Achalinus formosanus (Taiwanese Burrowing Snake) Achalinus huangjietangi (Huangshan Burrowing Snake) Achalinus jinggangensis (Jiangxi Burrowing Snake) Achalinus meiguensis (Sichuan Burrowing Snake) Achalinus niger (Taiwanese Black Burrowing Snake) Achalinus ningshanensis (Ningshan Burrowing Snake) Achalinus panzhihuaensis (Panzhihua Burrowing Snake) Achalinus pingbianensis (Pingbian Mountains Burrowing Snake) Achalinus rufescens (Rufous Burrowing Snake) Achalinus spinalis (Grey Burrowing Snake) Achalinus yunkaiensis (Yunkai Mountains Burrowing Snake) Achalinus ater (Chinese Black Burrowing Snake) Genus Fimbrios (Southern Bearded Snakes) Fimbrios klossi (Lesser Bearded Snake) Genus Paraxenodermus (Bornean Earth Snake) Paraxenodermus borneensis (Bornean Earth Snake) Genus Xenodermus (Rough-backed Litter Snake) Xenodermus javanicus (Rough-backed Litter Snake) Family Xenopeltidae (Asian Sunbeam Snakes) Genus Xenopeltis (Asian Sunbeam Snakes) Xenopeltis hainanensis (Hainan Sunbeam Snake) Xenopeltis unicolor (Common Asian Sunbeam Snake)

Which species are... Extinct (in recent times)? Extinct in the Wild? Critically Endangered? Endangered? Vulnerable? Near Threatened? Least Concern? Data Deficient? Not Assessed?