| Genus/Species | Common Name | Image |
| Adelphicos daryi | Dary's Burrowing Snake |  |
| Adelphicos ibarrorum | Ibarra's Burrowing Snake |  |
| Adelphicos latifasciatus | Oaxacan Burrowing Snake |  |
| Adelphicos newmanorum | Unspecified |  |
| Adelphicos nigrilatum | Burrowing Snake |  |
| Adelphicos quadrivirgatus | Middle American Earth Snake |  |
| Adelphicos sargii | Sargi's Earth Snake |  |
| Adelphicos veraepacis | Stuart's Burrowing Snake |  |
| Adelphicos visoninum | Cope's Earth Snake |  |
| Alsophis antiguae | Antiguan Racer |  |
| Alsophis antillensis | Antilles Racer |  |
| Alsophis danforthi | Terre-de-Bas Racer |  |
| Alsophis manselli | Montserrat Racer |  |
| Alsophis rijersmaei | Leeward Island Racer |  |
| Alsophis rufiventris | Red-bellied Racer |  |
| Alsophis sanctonum | Terre-de-Haut Racer |  |
| Alsophis sibonius | Dominican Racer |  |
| Amastridium sapperi | Rusty-head Snake |  |
| Amastridium veliferum | Rufous-headed Snake |  |
| Amnesteophis melanauchen | Bahia Black-naped Snake |  |
| Apostolepis albicollaris | Unspecified |  |
| Apostolepis ambiniger | Paraguayan Black-head Snake |  |
| Apostolepis ammodites | Tocantins Black-head Snake |  |
| Apostolepis arenaria | Sand Dunes Black-head Snake |  |
| Apostolepis assimilis | Reinhardt's Burrowing Snake |  |
| Apostolepis borellii | Borelli's Burrowing Snake |  |
| Apostolepis breviceps | Chacoan Black-head Snake | |
| Apostolepis cearensis | Gomes' Burrowing Snake |  |
| Apostolepis cerradoensis | Unspecified | |
| Apostolepis christineae | Unspecified |  |
| Apostolepis dimidiata | Common Bilineate Black-head Snake |  |
| Apostolepis dorbignyi | Bolivian Burrowing Snake | |
| Apostolepis flavotorquata | Central Burrowing Snake |  |
| Apostolepis gaboi | Sand Dunes Black-head Snake |  |
| Apostolepis goiasensis | Goias Burrowing Snake |  |
| Apostolepis intermedia | Matto Grosso Burrowing Snake |  |
| Apostolepis lineata | Hog-nose Lineate Black-head Snake | |
| Apostolepis longicaudata | Long-head Burrowing Snake |  |
| Apostolepis mariae | Unspecified |  |
| Apostolepis multicincta | Harvey's Black-head Snake |  |
| Apostolepis nelsonjorgei | Unspecified |  |
| Apostolepis niceforoi | Amazon Burrowing Snake |  |
| Apostolepis nigrolineatus | Par Black-head Snake |  |
| Apostolepis nigroterminata | Peru Burrowing Snake |  |
| Apostolepis phillipsi | Phillips' Burrowing Snake |  |
| Apostolepis polylepis | Hawk-beak Black-head Snake |  |
| Apostolepis pymi | Unspecified |  |
| Apostolepis quirogai | Misiones Black-head Snake |  |
| Apostolepis serrana | Unspecified |  |
| Apostolepis striata | Unspecified |  |
| Apostolepis tenuis | Ruthven's Burrowing Snake |  |
| Apostolepis tertulianobeui | Unspecified |  |
| Apostolepis thalesdelemai | Unspecified |  |
| Apostolepis vittata | Beaked Black-head Snake |  |
| Arrhyton ainictum | Cuban Island Racer |  |
| Arrhyton dolichura | Habana Island Racer |  |
| Arrhyton procerum | Zapata Long-tailed Ground Snake |  |
| Arrhyton redimitum | Oriente Brown-capped Racer |  |
| Arrhyton supernum | Oriente Black Ground Snake |  |
| Arrhyton taeniatum | Gunther's Island Racer |  |
| Arrhyton tanyplectum | San Vincente Island Racer |  |
| Arrhyton vittatum | Common Island Racer |  |
| Atractus acheronius | Unspecified |  |
| Atractus albuquerquei | Albuquerque Ground Snake |  |
| Atractus alphonsehogei | Alphonse's Ground Snake |  |
| Atractus altagratiae | Unspecified | |
| Atractus alytogrammus | Unspecified |  |
| Atractus andinus | Andean Ground Snake | |
| Atractus apophis | Unspecified | |
| Atractus arangoi | Arango's Ground Snake |  |
| Atractus atratus | Unspecified |  |
| Atractus attenuates | Unspecified | |
| Atractus badius | Boie's Ground Snake |  |
| Atractus balzani | Bolivian Ground Snake | |
| Atractus biseriatus | Two-lined Ground Snake |  |
| Atractus bocki | Bock's Ground Snake |  |
| Atractus bocourti | Bocourt's Ground Snake |  |
| Atractus boettgeri | Boettger's Ground Snake |  |
| Atractus boimirim | Unspecified |  |
| Atractus boulengerii | Boulenger's Ground Snake |  |
| Atractus caete | Unspecified |  |
| Atractus careolepis | Unspecified |  |
| Atractus carrioni | Parker's Ground Snake |  |
| Atractus caxiuana | Unspecified |  |
| Atractus cerberus | Cerberus Ground Snake |  |
| Atractus charitoae | Unspecified |  |
| Atractus chthonius | Unspecified |  |
| Atractus clarki | Clark's Ground Snake |  |
| Atractus collaris | Collared Ground Snake |  |
| Atractus crassicaudatus | Thick-head Ground Snake |  |
| Atractus darienensis | Unspecified |  |
| Atractus depressiocellus | Unspecified |  |
| Atractus duboisi | Yellow-spotted Ground Snake |  |
| Atractus duidensis | Venezuela Ground Snake |  |
| Atractus dunni | Dunn's Ground Snake |  |
| Atractus echidna | Unspecified |  |
| Atractus ecuadorensis | Ecuadorian Ground Snake |  |
| Atractus edioi | Unspecified |  |
| Atractus elaps | Black Ground Snake |  |
| Atractus emigdioi | Emigdio's Ground Snake |  |
| Atractus emmeli | Emmel's Ground Snake |  |
| Atractus eriki | Erik's Ground Snake |  |
| Atractus erythromelas | Red-black Ground Snake |  |
| Atractus esepe | Indistinct Ground Snake |  |
| Atractus favae | Filippi's Ground Snake |  |
| Atractus flammigerus | Flaming Ground Snake |  |
| Atractus franciscopaivai | Unspecified |  |
| Atractus francoi | Unspecified |  |
| Atractus fuliginosus | Hallowell's Ground Snake |  |
| Atractus gaigeae | Gaige's Ground Snake |  |
| Atractus gigas | Unspecified |  |
| Atractus guentheri | Gunther's Ground Snake |  |
| Atractus heliobelluomini | Unspecified | |
| Atractus heyeri | Unspecified | |
| Atractus hoogmoedi | Unspecified |  |
| Atractus hostilitractus | Unspecified | |
| Atractus imperfectus | Unspecified |  |
| Atractus indistinctus | Indistinct Ground Snake |  |
| Atractus insipidus | Unspecified |  |
| Atractus iridescens | Iridescent Ground Snake |  |
| Atractus lancinii | Lancini's Ground Snake |  |
| Atractus lasallei | Lasalle's Ground Snake |  |
| Atractus latifrons | Broad-head Ground Snake |  |
| Atractus lehmanni | Lehmann's Ground Snake |  |
| Atractus limitaneus | Limitan Ground Snake | |
| Atractus loveridgei | Loveridge's Ground Snake |  |
| Atractus macondo | Unspecified |  |
| Atractus maculatus | Spotted Ground Snake |  |
| Atractus major | Brown Ground Snake |  |
| Atractus manizalesensis | Unspecified |  |
| Atractus mariselae | Marisela's Ground Snake |  |
| Atractus matthewi | Matthew's Ground Snake |  |
| Atractus medusa | Unspecified |  |
| Atractus melanogaster | Black-belly Ground Snake |  |
| Atractus melas | Dark Ground Snake |  |
| Atractus meridensis | Unspecified | |
| Atractus micheleae | Unspecified | |
| Atractus microrhynchus | Unspecified |  |
| Atractus mijaresi | Unspecified |  |
| Atractus modestus | Modest Ground Snake |  |
| Atractus multicinctus | Banded Ground Snake |  |
| Atractus multidentatus | Unspecified |  |
| Atractus nasutus | Unspecified | |
| Atractus natans | Unspecified |  |
| Atractus nicefori | Northern Ground Snake |  |
| Atractus nigricaudus | Black-headed Ground Snake |  |
| Atractus nigriventris | Black-ventered Ground Snake |  |
| Atractus obesus | Fat Ground Snake |  |
| Atractus obtusirostris | Big-nose Ground Snake |  |
| Atractus occidentalis | Western Ground Snake |  |
| Atractus occipitoalbus | Grey Ground Snake |  |
| Atractus ochrosetrus | Unspecified | |
| Atractus oculotemporalis | Hispanic Ground Snake | |
| Atractus orcesi | Orces' Ground Snake |  |
| Atractus paisa | Unspecified |  |
| Atractus pamplonensis | Pamplona Ground Snake |  |
| Atractus pantostictus | Unspecified |  |
| Atractus paraguayensis | Paraguayan Ground Snake |  |
| Atractus paravertebralis | Unspecified | |
| Atractus paucidens | Despax's Ground Snake |  |
| Atractus pauciscutatus | Little-scaled Ground Snake |  |
| Atractus peruvianus | Peru Ground Snake | |
| Atractus poeppigi | Basin Ground Snake |  |
| Atractus potschi | Unspecified |  |
| Atractus punctiventris | Pointed Ground Snake |  |
| Atractus pyroni | Pyron's Ground Snake |  |
| Atractus resplendens | Resplendent Ground Snake |  |
| Atractus reticulatus | Reticulate Ground Snake |  |
| Atractus riveroi | Rivero's Ground Snake |  |
| Atractus ronnie | Unspecified |  |
| Atractus roulei | Roule's Ground Snake |  |
| Atractus sanctaemartae | St. Marta's Ground Snake |  |
| Atractus sanguineus | Bloody Ground Snake |  |
| Atractus savagei | Savage's Ground Snake |  |
| Atractus schach | Schach's Ground Snake |  |
| Atractus serranus | Sao Paolo Ground Snake |  |
| Atractus snethlageae | Unspecified |  |
| Atractus spinalis | Unspecified |  |
| Atractus steyermarki | Steyemark's Ground Snake |  |
| Atractus surucucu | Unspecified |  |
| Atractus taeniatus | Unspecified | |
| Atractus tamaensis | Unspecified |  |
| Atractus tamessari | Unspecified |  |
| Atractus taphorni | Unspecified |  |
| Atractus tartarus | Unspecified |  |
| Atractus thalesdelemai | Unspecified |  |
| Atractus titanicus | Unspecified |  |
| Atractus torquatus | Neck-band Ground Snake |  |
| Atractus touzeti | Touzet's Ground Snake |  |
| Atractus trihedrurus | Southern Ground Snake |  |
| Atractus trilineatus | Three-lined Ground Snake |  |
| Atractus trivittatus | Three-banded Ground Snake |  |
| Atractus turikensis | Unspecified |  |
| Atractus typhon | Typhon Ground Snake |  |
| Atractus univittatus | One-banded Ground Snake |  |
| Atractus variegatus | Variegated Ground Snake |  |
| Atractus ventrimaculatus | Speckled Ground Snake |  |
| Atractus vertebralis | Vertebral Ground Snake |  |
| Atractus vertebrolineatus | Striped Ground Snake |  |
| Atractus vittatus | Unspecified | |
| Atractus wagleri | Wagler's Ground Snake |  |
| Atractus werneri | Werner's Ground Snake |  |
| Atractus zebrinus | Unspecified |  |
| Atractus zidoki | Zidok's Ground Snake |  |
| Boiruna maculata | Mussurana |  |
| Boiruna sertaneja | Unspecified |  |
| Borikenophis portoricensis | Puerto Rican Racer |  |
| Borikenophis sanctaecrucis | St. Croix Racer |  |
| Borikenophis variegatus | Puerto Rican Racelet |  |
| Caaeteboia amarali | Amaral's Ground Snake |  |
| Calamodontophis paucidens | Tropical Forest Snake |  |
| Calamodontophis ronaldoi | Unspecified |  |
| Caraiba andreae | Cuban Lesser Racer |  |
| Carphophis amoenus | Eastern Worm Snake |  |
| Carphophis vermis | Worm Snake |  |
| Cercophis auratus | Golden Snake |  |
| Chapinophis xanthocheilus | Unspecified |  |
| Chersodromus liebmanni | Liebmann's Earth Runner |  |
| Chersodromus rubriventris | Red-bellied Earth Runner |  |
| Clelia clelia | Mussurana |  |
| Clelia equatoriana | Equatorial Mussurana |  |
| Clelia errabunda | Underwood's Mussurana | |
| Clelia hussami | Unspecified |  |
| Clelia langeri | Langer's Mussurana | |
| Clelia plumbea | Unspecified |  |
| Clelia scytalina | Mexican Snake Eater |  |
| Coniophanes alvarezi | Chiapan Stripeless Snake |  |
| Coniophanes andresensis | Andresen's Snake |  |
| Coniophanes bipunctatus | Two-spotted Snake |  |
| Coniophanes dromiciformis | Peters' Running Snake |  |
| Coniophanes fissidens | Yellow-belly Snake |  |
| Coniophanes imperialis | Black-striped Snake |  |
| Coniophanes joanae | Unspecified |  |
| Coniophanes lateritius | Stripeless Snake |  |
| Coniophanes longinquus | Lonely Spot-belly Snake |  |
| Coniophanes melanocephalus | Black-head Stripeless Snake Snake |  |
| Coniophanes meridanus | Peninsula Stripeless Snake |  |
| Coniophanes michoacanensis | Michoacan Black-striped Snake |  |
| Coniophanes piceivittis | Cope's Black-striped Snake |  |
| Coniophanes quinquevittatus | Five-striped Snake |  |
| Coniophanes sarae | Unspecified | |
| Coniophanes schmidti | Schmidt's Striped Snake |  |
| Coniophanes taylori | Guerrero Black-striped Snake |  |
| Conophis lineatus | Road Guarder |  |
| Conophis morai | Tuxtlan Road Guarder | |
| Conophis vittatus | Striped Road Guarder |  |
| Contia longicaudae | Forest Sharp-tailed Snake |  |
| Contia tenuis | Sharp-tailed Snake |  |
| Coronelaps lepidus | Minas Gerais Snake |  |
| Crisantophis nevermanni | Dunn's Road Guarder |  |
| Cryophis hallbergi | Hallberg's Cloud Forest Snake |  |
| Cubophis brooksi | Barbour's Cuban Racer | |
| Cubophis cantherigerus | Cuban racer |  |
| Cubophis caymanus | Grand Cayman Racer |  |
| Cubophis fuscicauda | Cayman Brac Racer |  |
| Cubophis ruttyi | Little Cayman Racer | |
| Cubophis vudii | Bahamian Racer |  |
| Diadophis punctatus | Ring-necked Snake |  |
| Diaphorolepis laevis | Colombian Frog-eating Snake | |
| Diaphorolepis wagneri | Ecuador Frog-eating Snake |  |
| Dipsas albifrons | Sauvage's Snail-eater |  |
| Dipsas alternans | Jan's Snail-eater |  |
| Dipsas andiana | Unspecified |  |
| Dipsas articulata | American Snail-eater |  |
| Dipsas baliomelas | Macarena Mountains Snail-Eater |  |
| Dipsas bicolor | Two-coloured Snail-eater |  |
| Dipsas brevifacies | Snail-eating Thirst Snake |  |
| Dipsas bucephala | Unspecified |  |
| Dipsas catesbyi | Ornate Thirst Snake |  |
| Dipsas chaparensis | Chapare Snail-Eater |  |
| Dipsas copei | Unspecified |  |
| Dipsas elegans | Unspecified |  |
| Dipsas ellipsifera | Highland Snail-Eater |  |
| Dipsas gaigeae | Gaige's Thirst Snail-eater |  |
| Dipsas gracilis | Graceful Snail-eater |  |
| Dipsas incerta | Jan's Snail-eater |  |
| Dipsas indica | Neotropical Snail-eater |  |
| Dipsas maxillaris | Werner's Thirst Snake | |
| Dipsas nicholsi | Nichols' Snail-eater |  |
| Dipsas oreas | Ecuador Snail-eater |  |
| Dipsas pakaraima | Unspecified |  |
| Dipsas pavonina | Northern Snail-eater |  |
| Dipsas peruana | Peru Snail-eater |  |
| Dipsas praeornata | Venezuelan Snail-Eater |  |
| Dipsas pratti | Pratt's Snail-eater |  |
| Dipsas sanctijoannis | Tropical Snail-eater |  |
| Dipsas sazimai | Atlantic Forest Snail-Eater |  |
| Dipsas schunkii | Schunk's Snail-eater |  |
| Dipsas temporalis | Temporal Snail-eater |  |
| Dipsas tenuissima | Taylor's Snail-eater |  |
| Dipsas trinitatis | Trinidad Snail-eater |  |
| Dipsas variegata | Variegated Snail-eater |  |
| Dipsas vermiculata | Vermiculate Snail-eater |  |
| Dipsas viguieri | Bocourt's Snail-eater |  |
| Ditaxodon taeniatus | Hensel's Snake |  |
| Drepanoides anomalus | Black-collared Snake |  |
| Echinanthera amoena | Unspecified |  |
| Echinanthera cephalomaculata | Unspecified |  |
| Echinanthera cephalostriata | Unspecified |  |
| Echinanthera cyanopleura | Unspecified |  |
| Echinanthera melanostigma | Unspecified |  |
| Echinanthera undulata | Unspecified |  |
| Elapomorphus quinquelineatus | Raddi's Lizard-eating Snake |  |
| Elapomorphus wuchereri | Wucherer's Lizard-eating Snake |  |
| Emmochliophis fugleri | Pinchinda Snake |  |
| Emmochliophis miops | Unspecified |  |
| Enuliophis sclateri | Colombia Long-tail Snake |  |
| Enulius bifoveatus | Unspecified |  |
| Enulius flavitorques | Pacific Long-tail Snake |  |
| Enulius oligostichus | Mexican Long-tail Snake |  |
| Enulius roatanensis | Unspecified |  |
| Erythrolamprus aesculapii | Aesculapian False Coral Snake |  |
| Erythrolamprus albertguentheri | Gunther's Green Liophis |  |
| Erythrolamprus almadensis | Almaden Ground Snake |  |
| Erythrolamprus andinus | Unspecified |  |
| Erythrolamprus atraventer | Dixon's Ground Snake |  |
| Erythrolamprus bizonus | Unspecified |  |
| Erythrolamprus breviceps | Short Ground Snake |  |
| Erythrolamprus carajasensis | Unspecified |  |
| Erythrolamprus ceii | Unspecified |  |
| Erythrolamprus cobellus | American Mangrove Snake |  |
| Erythrolamprus cursor | Lacepede's Ground Snake |  |
| Erythrolamprus dorsocorallinus | Unspecified |  |
| Erythrolamprus epinephelus | Unspecified |  |
| Erythrolamprus festae | Drab Ground Snake |  |
| Erythrolamprus frenatus | Unspecified |  |
| Erythrolamprus guentheri | Gunther's False Coral Snake |  |
| Erythrolamprus ingeri | Unspecified |  |
| Erythrolamprus jaegeri | Jaeger's Ground Snake |  |
| Erythrolamprus janaleeae | Unspecified | |
| Erythrolamprus juliae | Julia's Ground Snake |  |
| Erythrolamprus longiventris | Long Ground Snake | |
| Erythrolamprus maryellenae | Maryellen's Ground Snake |  |
| Erythrolamprus melanotus | Shaw's Dark Ground Snake |  |
| Erythrolamprus mertensi | Mertens' Tropical Forest Snake |  |
| Erythrolamprus miliaris | Military Ground Snake |  |
| Erythrolamprus mimus | Mimic False Coral Snake |  |
| Erythrolamprus mossoroensis | Mossoro Ground Snake |  |
| Erythrolamprus ocellatus | Unspecified |  |
| Erythrolamprus oligolepis | Unspecified |  |
| Erythrolamprus ornatus | Ornate Ground Snake |  |
| Erythrolamprus perfuscus | Tan Ground Snake | |
| Erythrolamprus poecilogyrus | Unspecified |  |
| Erythrolamprus problematicus | Problem Ground Snake |  |
| Erythrolamprus pseudocorallus | False Coral Snake |  |
| Erythrolamprus pyburni | Pyburn's Tropical Forest Snake |  |
| Erythrolamprus pygmaeus | Amazon Tropical Forest Snake |  |
| Erythrolamprus reginae | Royal Ground Snake |  |
| Erythrolamprus sagittifer | Arrow Ground Snake |  |
| Erythrolamprus semiaureus | Golden Liophis |  |
| Erythrolamprus subocularis | Unspecified | |
| Erythrolamprus taeniogaster | Unspecified |  |
| Erythrolamprus taeniurus | Thin Ground Snake |  |
| Erythrolamprus torrenicola | Velvety Swamp Snake |  |
| Erythrolamprus trebbaui | Unspecified |  |
| Erythrolamprus triscalis | Three-scaled Ground Snake |  |
| Erythrolamprus typhlus | Blind Ground Snake |  |
| Erythrolamprus viridis | Crown Ground Snake |  |
| Erythrolamprus vitti | Unspecified |  |
| Erythrolamprus williamsi | Unspecified | |
| Erythrolamprus zweifeli | Unspecified |  |
| Eutrachelophis bassleri | Ivory-naped Snake |  |
| Eutrachelophis steinbachi | Mud Snake | |
| Farancia abacura | Mud Snake |  |
| Farancia erytrogramma | Rainbow Snake |  |
| Geophis anocularis | Sierra Mije Earth Snake |  |
| Geophis bellus | Unspecified |  |
| Geophis betaniensis | Betanien Earth Snake |  |
| Geophis bicolor | Mexican Plateau Earth Snake |  |
| Geophis blanchardi | Blanchard's Earth Snake |  |
| Geophis brachycephalus | Colombian Earth Snake |  |
| Geophis cancellatus | Chiapas Earth Snake |  |
| Geophis carinosus | Keeled Earth Snake |  |
| Geophis chalybeus | Veracruz Earth Snake | |
| Geophis championi | Panamanian Earth Snake | |
| Geophis damiani | Unspecified |  |
| Geophis downsi | Savage's Earth Snake |  |
| Geophis dubius | Mesa del Sur Earth Snake |  |
| Geophis duellmani | Sierra Juarez Earth Snake |  |
| Geophis dugesii | Duges' Earth Snake |  |
| Geophis dunni | Dunn's Earth Snake |  |
| Geophis fulvoguttatus | Mertens' Earth Snake |  |
| Geophis godmani | Godman's Earth Snake |  |
| Geophis hoffmanni | Hoffmann's Earth Snake |  |
| Geophis immaculatus | Downs' Earth Snake |  |
| Geophis incomptus | Sierra Coalcoman Earth Snake |  |
| Geophis isthmicus | Isthmian Earth Snake | |
| Geophis juarezi | Benito Juarez Earth Snake |  |
| Geophis juliai | Zertuche's Earth Snake | |
| Geophis laticinctus | Mesa Central Earth Snake |  |
| Geophis laticollaris | Wide-collar Earth Snake |  |
| Geophis latifrontalis | Potosi Earth Snake |  |
| Geophis lorancai | Loranca's Snake |  |
| Geophis maculiferus | Michoacan Earth Snake | |
| Geophis mutitorques | Highland Earth Snake |  |
| Geophis nasalis | Coffee Earth Snake |  |
| Geophis nephodrymus | Unspecified |  |
| Geophis nigroalbus | Colombian Earth Snake |  |
| Geophis nigrocinctus | Black-banded Earth Snake |  |
| Geophis occabus | El Molote Earth Snake |  |
| Geophis omiltemanus | Guerreran Earth Snake |  |
| Geophis petersii | Peters' Earth Snake |  |
| Geophis pyburni | Pyburn's Earth Sna |  |
| Geophis rhodogaster | Rose-belly Earth Snake |  |
| Geophis rostralis | Mesa del Sur Earth Snake | |
| Geophis russatus | Red Earth Snake |  |
| Geophis ruthveni | Ruthven's Earth Snake |  |
| Geophis sallaei | Sallae's Earth Snake |  |
| Geophis semidoliatus | Coral Earth Snake |  |
| Geophis sieboldi | Siebold's Earth Snake |  |
| Geophis talamancae | Unspecified |  |
| Geophis tarascae | Tarascan Earth Snake |  |
| Geophis tectus | Unspecified |  |
| Geophis turbidus | Puebla Earth Snake |  |
| Geophis zeledoni | Unspecified |  |
| Gomesophis brasiliensis | Brazilian Burrowing Snake |  |
| Haitiophis anomalus | Hispaniola Racer |  |
| Helicops angulatus | Mountain Keelback |  |
| Helicops apiaka | Apiak Keelback |  |
| Helicops carinicaudus | Wied's Keelback |  |
| Helicops danieli | Daniel's Keelback |  |
| Helicops gomesi | Sao Paulo Keelback |  |
| Helicops hagmanni | Hagmann's Keelback |  |
| Helicops infrataeniatus | Unspecified |  |
| Helicops leopardinus | Leopard Keelback |  |
| Helicops modestus | Olive Keelback |  |
| Helicops nentur | Unspecified |  |
| Helicops pastazae | Shreve's Keelback |  |
| Helicops petersi | Spiral Keelback |  |
| Helicops polylepis | Norman's Keelback |  |
| Helicops scalaris | Ladder Keelback |  |
| Helicops tapajonicus | Tapajos River Keelback |  |
| Helicops trivittatus | Equatorial Keelback |  |
| Helicops yacu | Peru Keelback |  |
| Heterodon gloydi | Dusty Hog-nose Snake |  |
| Heterodon kennerlyi | Mexican Hog-nosed Snake |  |
| Heterodon nasicus | Western Hog-nosed Snake |  |
| Heterodon platirhinos | Eastern Hog-nosed Snake |  |
| Heterodon simus | Southern Hog-nosed Snake |  |
| Hydrodynastes bicinctus | Herrmann's Water Snake |  |
| Hydrodynastes gigas | False Water Cobra |  |
| Hydrodynastes melanogigas | Unspecified |  |
| Hydromorphus concolor | Costa Rica Water Snake |  |
| Hydromorphus dunni | Dunn's Water Snake | |
| Hydrops caesurus | Unspecified |  |
| Hydrops martii | Amazon Water Snake |  |
| Hydrops triangularis | Triangle Water Snake |  |
| Hypsiglena affinis | Rio Grande de Santiago Night Snake |  |
| Hypsiglena catalinae | Isla Santa Catalina Night Snake |  |
| Hypsiglena chlorophaea | Unspecified |  |
| Hypsiglena jani | Chihuahuan Night Snake |  |
| Hypsiglena ochrorhyncha | Cape Night Snake |  |
| Hypsiglena slevini | Baja California Night Snake |  |
| Hypsiglena tanzeri | Tanzer's Night Snake |  |
| Hypsiglena torquata | Night Snake |  |
| Hypsiglena unaocularus | Islas Revillagigedo Night Snake |  |
| Hypsirhynchus ater | Black Racer | |
| Hypsirhynchus callilaemum | Jamaican Red Ground Snake |  |
| Hypsirhynchus ferox | Hispaniola Cat-eyed Snake |  |
| Hypsirhynchus funereum | Jamaican Black Ground Snake |  |
| Hypsirhynchus melanichnus | La Vega Racer | |
| Hypsirhynchus parvifrons | Cope's Antilles Snake |  |
| Hypsirhynchus polyl | Jamaican Long-tailed Ground Snake | |
| Hypsirhynchus scalaris | Tiburon Hog-nosed Racer | |
| Ialtris agyrtes | Barreras Fanged Snake |  |
| Ialtris dorsalis | Brown Fanged Snake |  |
| Ialtris haetiana | Haitian Ground Snake |  |
| Ialtris parishi | Parish's Fanged Snake |  |
| Imantodes cenchoa | Blunt-headed Tree Snake |  |
| Imantodes chocoensis | Chocoan Blunt-headed Tree Snake |  |
| Imantodes gemmistratus | Central American Tree Snake |  |
| Imantodes guane | Guane Blunt-headed Tree Snake |  |
| Imantodes inornatus | Western Tree Snake |  |
| Imantodes lentiferus | Amazon Basin Tree Snake |  |
| Imantodes phantasma | Phantasma Tree Snake |  |
| Imantodes tenuissimus | Yucatan Blunt-headed Snake |  |
| Leptodeira annulata | Banded Cat-eyed Snake |  |
| Leptodeira bakeri | Baker's Cat-eyed Snake |  |
| Leptodeira frenata | Rainforest Cat-eyed Snake |  |
| Leptodeira maculata | Southwestern Cat-eyed Snake |  |
| Leptodeira nigrofasciata | Black-banded Cat-eyed Snake |  |
| Leptodeira polysticta | Small-spotted Cat-eyed Snake |  |
| Leptodeira punctata | Western Cat-eyed Snake |  |
| Leptodeira rhombifera | Rhombic Cat-eyed Snake |  |
| Leptodeira rubricata | Costa Rican Cat-eyed Snake |  |
| Leptodeira septentrionalis | Northern Cat-eyed Snake |  |
| Leptodeira splendida | Splendid Cat-eyed Snake |  |
| Leptodeira uribei | Uribe's Cat-eyed Snake |  |
| Lioheterophis iheringi | Ihering's Snake |  |
| Lygophis anomalus | Unspecified |  |
| Lygophis dilepis | Lema's Ground Snake |  |
| Lygophis elegantissimus | Unspecified |  |
| Lygophis flavifrenatus | Fronted Ground Snake |  |
| Lygophis lineatus | Lined Ground Snake |  |
| Lygophis meridionalis | Unspecified |  |
| Lygophis paucidens | Hoge's Ground Snake |  |
| Lygophis vanzolinii | Vanzolini's Ground Snake |  |
| Magliophis exiguum | Ground Snake |  |
| Magliophis stahli | Unspecified |  |
| Manolepis putnami | Ridge-head Snake |  |
| Mussurana bicolor | Two-coloured Mussurana |  |
| Mussurana montana | Unspecified |  |
| Mussurana quimi | Unspecified |  |
| Ninia atrata | Hallowell's Coffee Snake |  |
| Ninia celata | Unspecified |  |
| Ninia diademata | Ring-neck Coffee Snake |  |
| Ninia espinali | Espinal's Coffee Snake |  |
| Ninia franciscoi | Simla Coffee Snake |  |
| Ninia hudsoni | Hudson's Coffee Snake |  |
| Ninia maculata | Spotted Coffee Snake |  |
| Ninia pavimentata | Unspecified |  |
| Ninia psephota | Cope's Coffee Snake |  |
| Ninia sebae | Red-back Coffee Snake |  |
| Ninia teresitae | Unspecified |  |
| Nothopsis rugosus | Rough Coffee Snake |  |
| Omoadiphas aurula | Unspecified |  |
| Omoadiphas cannula | Agalta Mountain Forest Snake |  |
| Omoadiphas texiguatensis | Unspecified |  |
| Oxyrhopus clathratus | Dumeril's False Coral Snake |  |
| Oxyrhopus doliatus | Bibron's False Coral Snake |  |
| Oxyrhopus erdisii | Unspecified |  |
| Oxyrhopus fitzingeri | Fitzinger's False Coral Snake |  |
| Oxyrhopus formosus | Formosa False Coral Snake |  |
| Oxyrhopus guibei | Unspecified |  |
| Oxyrhopus leucomelas | Werner's False Coral Snake |  |
| Oxyrhopus marcapatae | Boulenger's False Coral Snake |  |
| Oxyrhopus melanogenys | Tschudi's False Coral Snake |  |
| Oxyrhopus occipitalis | Unspecified |  |
| Oxyrhopus petola | Forest Flame-snake |  |
| Oxyrhopus rhombifer | Amazon False Coral Snake |  |
| Oxyrhopus trigeminus | Brazilian False Coral Snake |  |
| Oxyrhopus vanidicus | Impostor Flame-snake |  |
| Paraphimophis rustica | Culebra |  |
| Phalotris bilineatus | Unspecified |  |
| Phalotris concolor | Unspecified |  |
| Phalotris cuyanus | Unspecified |  |
| Phalotris labiomaculatus | Unspecified |  |
| Phalotris lativittatus | Unspecified |  |
| Phalotris lemniscatus | Dumeril's Diadem Snake |  |
| Phalotris matogrossensis | Unspecified |  |
| Phalotris mertensi | Unspecified |  |
| Phalotris multipunctatus | Unspecified |  |
| Phalotris nasutus | Unspecified |  |
| Phalotris nigrilatus | Unspecified |  |
| Phalotris normanscotti | Enchaco Burrowing Snake |  |
| Phalotris reticulatus | Unspecified |  |
| Phalotris sansebastiani | Unspecified |  |
| Phalotris tricolor | Unspecified |  |
| Philodryas aestiva | Brazilian Green Racer |  |
| Philodryas agassizii | Burrowing Night Snake |  |
| Philodryas amaru | Unspecified |  |
| Philodryas argentea | Green-striped Vine Snake |  |
| Philodryas arnaldoi | Arnaldo's Green Racer | |
| Philodryas baroni | Baron's Green Racer |  |
| Philodryas boliviana | Bolivian Racerr |  |
| Philodryas chamissonis | Chilean Green Racer |  |
| Philodryas cordata | Unspecified |  |
| Philodryas georgeboulengeri | Green Vine Snake |  |
| Philodryas laticeps | Unspecified |  |
| Philodryas livida | Unspecified |  |
| Philodryas mattogrossensis | Miranda Green Racer |  |
| Philodryas nattereri | Paraguay Green Racer |  |
| Philodryas olfersii | Lichtenstein's Green Racer |  |
| Philodryas patagoniensis | Patagonia Green Racer |  |
| Philodryas psammophidea | Gunther's Green Racer |  |
| Philodryas simonsii | Unspecified |  |
| Philodryas tachymenoides | Schmidt's Green Racer |  |
| Philodryas trilineata | Unspecified |  |
| Philodryas varius | Jan's Green Racer |  |
| Philodryas viridissima | Common Green Racer |  |
| Phimophis guerini | Argentine Pampas Snake |  |
| Phimophis guianensis | Troschel's Pampas Snake |  |
| Phimophis vittatus | Banded Pampas Snake |  |
| Plesiodipsas perijanensis | Aleman's Snail-eater |  |
| Pseudalsophis biserialis | Unspecified |  |
| Pseudalsophis dorsalis | Galapagos Striped Snake |  |
| Pseudalsophis elegans | Elegant Racer |  |
| Pseudalsophis hoodensis | Espaniola Racer |  |
| Pseudalsophis occidentalis | Western Gala pagos Racer |  |
| Pseudalsophis slevini | Pinzont Racer |  |
| Pseudalsophis steindachneri | Painted Racer |  |
| Pseudoboa coronata | Crowned False Boa |  |
| Pseudoboa haasi | Paran False Boa |  |
| Pseudoboa martinsi | Martin's False Boa |  |
| Pseudoboa neuwiedii | Neuwied's False Boa |  |
| Pseudoboa nigra | Black False Boa |  |
| Pseudoboa serrana | Unspecified |  |
| Pseudoeryx plicatilis | Pond Snake |  |
| Pseudoeryx relictualis | South American Pond Snake |  |
| Pseudoleptodeira latifasciata | False Cat-eyed Snake |  |
| Pseudotomodon trigonatus | False Tomodon Snake |  |
| Psomophis genimaculatus | Spirit Ground Snake |  |
| Psomophis joberti | Unspecified |  |
| Psomophis obtusus | Wide Ground Snake |  |
| Ptychophis flavovirgatus | Fanged Water Snake |  |
| Rachidelus brazili | Brazilian Bird Snake |  |
| Rhadinaea bogertorum | Oaxacan Graceful Brown Snake |  |
| Rhadinaea calligaster | Thick Graceful Brown Snake |  |
| Rhadinaea cuneata | Veracruz Graceful Brown Snake |  |
| Rhadinaea decorata | Adorned Graceful Brown Snake |  |
| Rhadinaea flavilata | Pine Woods Snake |  |
| Rhadinaea forbesi | Forbes' Graceful Brown Snake |  |
| Rhadinaea fulvivittis | Ribbon Graceful Brown Snake |  |
| Rhadinaea gaigeae | Gaige's Pine Forest Snake |  |
| Rhadinaea hesperia | Western Graceful Brown Snake |  |
| Rhadinaea laureata | Crowned Graceful Brown Snake |  |
| Rhadinaea macdougalli | MacDougall's Graceful Brown Snake |  |
| Rhadinaea marcellae | Marcella's Graceful Brown Snake |  |
| Rhadinaea montana | Nuevo Leon Graceful Brown Snake |  |
| Rhadinaea myersi | Myers' Graceful Brown Snake |  |
| Rhadinaea omiltemana | Guerreran Pine Woods Snake | |
| Rhadinaea pulveriventris | Common Graceful Brown Snake | |
| Rhadinaea quinquelineata | Pueblan Graceful Brown Snake |  |
| Rhadinaea sargenti | Sargent's Graceful Brown Snake |  |
| Rhadinaea stadelmani | Stadelman's Graceful Brown Snake | |
| Rhadinaea taeniata | Pine-oak Snake |  |
| Rhadinaea vermiculaticeps | Vermiculate Graceful Brown Snake |  |
| Rhadinella anachoreta | Unspecified |  |
| Rhadinella donaji | Unspecified |  |
| Rhadinella dysmica | Guerrero Slender Leaf Litter Snake |  |
| Rhadinella godmani | Godman's Graceful Brown Snake |  |
| Rhadinella hannsteini | Hannstein's Spot-lipped Snake | |
| Rhadinella hempsteadae | Hempstead's Pine Woods Snake |  |
| Rhadinella kanalchutchan | Unspecified |  |
| Rhadinella kinkelini | Kinkelin Graceful Brown Snake |  |
| Rhadinella lachrymans | Tearful Pine-oak Snake |  |
| Rhadinella lisyae | Unspecified |  |
| Rhadinella montecristi | Monte Cristi Graceful Brown Snake |  |
| Rhadinella pegosalyta | Solid Striped Dwarf Brown Snake |  |
| Rhadinella pilonaorum | Stuart's Graceful Brown Snake |  |
| Rhadinella posadasi | Posada's Graceful Brown Snake |  |
| Rhadinella rogerromani | Unspecified |  |
| Rhadinella schistosa | Broken-collar Graceful Brown Snake |  |
| Rhadinella serperastra | Unspecified |  |
| Rhadinella tolpanorum | Unspecified | |
| Rhadinophanes monticola | Graceful Mountain Snake |  |
| Rodriguesophis chui | Unspecified | |
| Rodriguesophis iglesiasi | Gomes' Pampas Snake |  |
| Rodriguesophis scriptorcibatus | Unspecified |  |
| Saphenophis antioquiensis | Dunn's Saphenophis Snake |  |
| Saphenophis atahuallpae | Atahuallpa Saphenophis Snake |  |
| Saphenophis boursieri | Unspecified |  |
| Saphenophis sneiderni | Saphenophis Snake |  |
| Saphenophis tristriatus | Three-striped Smooth Ground Snake |  |
| Sibon annulatus | Ringed Snail Sucker |  |
| Sibon anthracops | Cope's Snail Sucker |  |
| Sibon argus | Argus Snail Sucker |  |
| Sibon carri | Carr's Snail Sucker |  |
| Sibon dimidiatus | Slender Snail Sucker |  |
| Sibon dunni | Dunn's Snail Sucker |  |
| Sibon lamari | Lamar's Snail Sucker |  |
| Sibon linearis | Unspecified | |
| Sibon longifrenis | Stejneger's Snail Sucker |  |
| Sibon manzanaresi | Unspecified |  |
| Sibon merendonensis | Unspecified |  |
| Sibon miskitus | Unspecified |  |
| Sibon nebulatus | Cloudy Snail-eating Snake |  |
| Sibon noalamina | Unspecified |  |
| Sibon perissostichon | Unspecified |  |
| Sibon sanniolus | Pygmy Snail Sucker |  |
| Sibynomorphus lavillai | Lavilla's Tree Snake |  |
| Sibynomorphus mikanii | Sleep Snake |  |
| Sibynomorphus neuwiedi | Neuwied's Tree Snake |  |
| Sibynomorphus oligozonatus | Unspecified |  |
| Sibynomorphus oneilli | O'Neill's Tree Snake |  |
| Sibynomorphus petersi | Peters' Tree Snake |  |
| Sibynomorphus turgidus | Bolivian Tree Snake |  |
| Sibynomorphus vagrans | Dunn's Tree Snake |  |
| Sibynomorphus vagus | Jan's Tree Snake |  |
| Sibynomorphus ventrimaculatus | Boulenger's Tree Snake |  |
| Sibynomorphus williamsi | Williams' Tree Snake |  |
| Siphlophis ayauma | Devil-head Liana-Snake |  |
| Siphlophis cervinus | Panama Spotted Night Snake |  |
| Siphlophis compressus | Tropical Flat Snake |  |
| Siphlophis leucocephalus | Common Spotted Night Snake |  |
| Siphlophis longicaudatus | Brazilian Spotted Night Snake |  |
| Siphlophis pulcher | Guanabara Spotted Night Snake |  |
| Siphlophis worontzowi | Worontzow's Spotted Night Snake |  |
| Sordellina punctata | Dotted Brown Snake |  |
| Synophis bicolor | Two-coloured Fishing Snake |  |
| Synophis bogerti | Bogert's Shadow Snake |  |
| Synophis calamitus | Unspecified |  |
| Synophis insulomontanus | Mountain Shadow Snake |  |
| Synophis lasallei | Lasalle's Fishing Snake |  |
| Synophis niceforomariae | Niceforo Maria's Shadow Snake |  |
| Synophis plectovertebralis | Unspecified | |
| Synophis zaheri | Zaher's Shadow Snake |  |
| Synophis zamora | Zamoran Shadow Snake |  |
| Tachymenis affinis | Boulenger's Slender Snake |  |
| Tachymenis attenuata | Walker's Slender Snake |  |
| Tachymenis chilensis | Chilean Slender Snake |  |
| Tachymenis elongata | Depax's Slender Snake |  |
| Tachymenis peruviana | Peru Slender Snake |  |
| Tachymenis tarmensis | Slender Snake |  |
| Taeniophallus affinis | Unspecified |  |
| Taeniophallus bilineatus | Unspecified |  |
| Taeniophallus brevirostris | Short-nosed Leaf Litter Snake |  |
| Taeniophallus nebularis | Unspecified | |
| Taeniophallus nicagus | Forest Snake |  |
| Taeniophallus occipitalis | Unspecified |  |
| Taeniophallus persimilis | Unspecified |  |
| Taeniophallus poecilopogon | Unspecified |  |
| Taeniophallus quadriocellatus | Unspecified |  |
| Tantalophis discolor | Oaxacan Cat-eyed Snake |  |
| Thamnodynastes almae | Unspecified |  |
| Thamnodynastes ceibae | Unspecified |  |
| Thamnodynastes chaquensis | Unspecified |  |
| Thamnodynastes chimanta | Roze's Coastal House Snake |  |
| Thamnodynastes corocoroensis | Unspecified | |
| Thamnodynastes dixoni | Unspecified |  |
| Thamnodynastes duida | Unspecified | |
| Thamnodynastes gambotensis | Unspecified |  |
| Thamnodynastes hypoconia | Unspecified |  |
| Thamnodynastes lanei | Unspecified |  |
| Thamnodynastes longicaudus | Unspecified |  |
| Thamnodynastes marahuaquensis | Unspecified | |
| Thamnodynastes pallidus | Amazon Coastal House Snake |  |
| Thamnodynastes paraguanae | Unspecified |  |
| Thamnodynastes phoenix | Unspecified |  |
| Thamnodynastes ramonriveroi | Unspecified |  |
| Thamnodynastes rutilus | Prado's Coastal House Snake |  |
| Thamnodynastes sertanejo | Unspecified |  |
| Thamnodynastes strigatus | Coastal House Snake |  |
| Thamnodynastes yavi | Unspecified | |
| Thermophis baileyi | Bailey's Snake |  |
| Thermophis shangrila | Shangri-La Hot-spring Snake |  |
| Thermophis zhaoermii | Sichuan Hot-spring Keel-back |  |
| Tomodon dorsatus | Pampas Snake |  |
| Tomodon ocellatus | Ocellated Pampas Snake |  |
| Tomodon orestes | Unspecified |  |
| Tretanorhinus mocquardi | Mocquard's Swamp Snake |  |
| Tretanorhinus nigroluteus | Orange-belly Swamp Snake |  |
| Tretanorhinus taeniatus | Striped Swamp Snake |  |
| Tretanorhinus variabilis | Caribbean Water Snake |  |
| Trimetopon barbouri | Barbour's Tropical Ground Snake |  |
| Trimetopon gracile | Gunther's Tropical Ground Snake |  |
| Trimetopon pliolepis | Cope's Tropical Ground Snake |  |
| Trimetopon simile | Dunn's Tropical Ground Snake |  |
| Trimetopon slevini | Slevin's Tropical Ground Snake |  |
| Trimetopon viquezi | Viquez's Tropical Ground Snake |  |
| Tropidodipsas annulifera | Unspecified |  |
| Tropidodipsas fasciata | Banded Snail Sucker |  |
| Tropidodipsas fischeri | Fischer's Snail-Eating Snake |  |
| Tropidodipsas philippii | Philippi's Snail-Eating Snake |  |
| Tropidodipsas repleta | Unspecified |  |
| Tropidodipsas sartorii | Terrestrial Snail Sucker |  |
| Tropidodipsas zweifeli | Zweifel's Snail-Eating Snake |  |
| Tropidodryas serra | Serra Snake |  |
| Tropidodryas striaticeps | Jiboinha |  |
| Uromacer catesbyi | Blunt-headed Green Tree Snake |  |
| Uromacer frenatus | Sharp-nosed Vine Snake |  |
| Uromacer oxyrhynchus | Sharp-nosed Green Tree Snake |  |
| Uromacerina ricardinii | Sao Paulo Sharp Snake | |
| Urotheca decipiens | Pale Ground Snake |  |
| Urotheca dumerilli | Unspecified |  |
| Urotheca fulviceps | Unspecified |  |
| Urotheca guentheri | Orange-bellied Litter Snake |  |
| Urotheca lateristriga | Unspecified |  |
| Urotheca multilineata | Unspecified |  |
| Urotheca myersi | Unspecified |  |
| Urotheca pachyura | Unspecified |  |
| Xenodon dorbignyi | South American Hognose Snake |  |
| Xenodon guentheri | Gunther's False Fer-de-lance |  |
| Xenodon histricus | Jan's Hognose Snake |  |
| Xenodon matogrossensis | Unspecified |  |
| Xenodon merremii | Wagler's Snake |  |
| Xenodon nattereri | Unspecified |  |
| Xenodon neuwiedii | Neuwied's False Fer-de-lance |  |
| Xenodon pulcher | Unspecified |  |
| Xenodon rabdocephalus | False Fer-de-lance |  |
| Xenodon semicinctus | Ringed Hognose Snake |  |
| Xenodon severus | Amazon False Fer-de-lance |  |
| Xenodon werneri | Guianan Green Snake |  |
| Xenopholis scalaris | Wucherer's Ground Snake |  |
| Xenopholis undulatus | Jensen's Ground Snake |  |
| Xenopholis werdingorum | Unspecified |  |