Amerotyphlops amoipira
Amerotyphlops arenensis
Amerotyphlops brongersmianus
Amerotyphlops minuisquamus
Amerotyphlops paucisquamus
Amerotyphlops reticulatus
Amerotyphlops yonenagae
Amnesteophis melanauchen
Anilius scytale
Apostolepis albicollaris
Apostolepis ambiniger
Apostolepis ammodites
Apostolepis arenaria
Apostolepis assimilis
Apostolepis barrioi
Apostolepis borellii
Apostolepis cearensis
Apostolepis cerradoensis
Apostolepis christineae
Apostolepis dimidiata
Apostolepis flavotorquata
Apostolepis gaboi
Apostolepis goiasensis
Apostolepis intermedia
Apostolepis lineata
Apostolepis longicaudata
Apostolepis mariae
Apostolepis nelsonjorgei
Apostolepis nigrolineata
Apostolepis nigroterminata
Apostolepis phillipsae
Apostolepis polylepis
Apostolepis quinquelineata
Apostolepis quirogai
Apostolepis roncadori
Apostolepis rondoni
Apostolepis serrana
Apostolepis striata
Apostolepis tertulianobeui
Apostolepis thalesdelemai
Apostolepis vittata
Atractus akerios
Atractus albuquerquei
Atractus alphonsehogei
Atractus altagratiae
Atractus badius
Atractus boimirim
Atractus caete
Atractus caxiuana
Atractus edioi
Atractus elaps
Atractus flammigerus
Atractus francoi
Atractus guentheri
Atractus hoogmoedi
Atractus insipidus
Atractus latifrons
Atractus maculatus
Atractus major
Atractus natans
Atractus nawa
Atractus occipitoalbus
Atractus pantostictus
Atractus paraguayensis
Atractus poeppigi
Atractus potschi
Atractus reticulatus
Atractus riveroi
Atractus ronnie
Atractus schach
Atractus serranus
Atractus snethlageae
Atractus spinalis
Atractus surucucu
Atractus taeniatus
Atractus tartarus
Atractus thalesdelemai
Atractus torquatus
Atractus trihedrurus
Atractus trilineatus
Atractus zebrinus
Atractus zidoki
Boa constrictor
Boa constrictor amarali
Boa constrictor constrictor
Boiruna maculata
Boiruna sertaneja
Bothrocophias hyoprora
Bothrocophias microphthalmus
Bothrops alcatraz
Bothrops alternatus
Bothrops atrox
Bothrops bilineatus bilineatus
Bothrops bilineatus smaragdinus
Bothrops brazili
Bothrops cotiara
Bothrops diporus
Bothrops erythromelas
Bothrops fonsecai
Bothrops insularis
Bothrops itapetiningae
Bothrops jararaca
Bothrops jararacussu
Bothrops leucurus
Bothrops lutzi
Bothrops marajoensis
Bothrops marmoratus
Bothrops mattogrossensis
Bothrops moojeni
Bothrops muriciensis
Bothrops neuwiedi
Bothrops oligobalius
Bothrops otavioi
Bothrops pauloensis
Bothrops pirajai
Bothrops pubescens
Bothrops sazimai
Bothrops taeniatus
Caaeteboia amarali
Calamodontophis paucidens
Calamodontophis ronaldoi
Cercophis auratus
Chironius bicarinatus
Chironius brazili
Chironius carinatus
Chironius diamantina
Chironius exoletus
Chironius flavolineatus
Chironius foveatus
Chironius fuscus
Chironius gouveai
Chironius laevicollis
Chironius laurenti
Chironius maculoventris
Chironius multiventris
Chironius quadricarinatus
Chironius scurrulus
Chironius septentrionalis
Clelia clelia
Clelia hussami
Clelia plumbea
Corallus batesii
Corallus caninus
Corallus cropanii
Corallus hortulanus
Coronelaps lepidus
Crotalus durissus
Dendrophidion atlantica
Dendrophidion dendrophis
Dipsas albifrons
Dipsas alternans
Dipsas bothropoides
Dipsas bucephala
Dipsas catesbyi
Dipsas incerta
Dipsas indica
Dipsas pavonina
Dipsas sazimai
Dipsas variegata
Ditaxodon taeniatus
Drepanoides anomalus
Drymarchon corais
Drymobius rhombifer
Drymoluber brazili
Drymoluber dichrous
Echinanthera amoena
Echinanthera cephalomaculata
Echinanthera cephalostriata
Echinanthera cyanopleura
Echinanthera melanostigma
Echinanthera undulata
Elapomorphus quinquelineatus
Elapomorphus wuchereri
Epicrates assisi
Epicrates cenchria
Epicrates crassus
Epicrates maurus
Epictia albifrons
Epictia australis
Epictia borapeliotes
Epictia clinorostris
Epictia munoai
Epictia striatula
Epictia tenella
Epictia vellardi
Erythrolamprus aesculapii
Erythrolamprus aesculapii venustissimus
Erythrolamprus almadensis
Erythrolamprus atraventer
Erythrolamprus breviceps
Erythrolamprus carajasensis
Erythrolamprus cobella
Erythrolamprus dorsocorallinus
Erythrolamprus frenatus
Erythrolamprus jaegeri
Erythrolamprus maryellenae
Erythrolamprus miliaris
Erythrolamprus miliaris orinus
Erythrolamprus mossoroensis
Erythrolamprus oligolepis
Erythrolamprus poecilogyrus caesius
Erythrolamprus poecilogyrus poecilogyrus
Erythrolamprus poecilogyrus schotti
Erythrolamprus poecilogyrus sublineatus
Erythrolamprus pygmaeus
Erythrolamprus reginae
Erythrolamprus reginae macrosoma
Erythrolamprus reginae semilineatus
Erythrolamprus semiaureus
Erythrolamprus taeniogaster
Erythrolamprus typhlus brachyurus
Erythrolamprus typhlus elaeoides
Erythrolamprus typhlus typhlus
Erythrolamprus viridis praesinus
Erythrolamprus viridis viridis
Erythropamprus trebbaui
Eunectes deschauenseei
Eunectes murinus
Eunectes notaeus
Gomesophis brasiliensis
Helicops angulatus
Helicops apiaka
Helicops carinicaudus
Helicops gomesi
Helicops hagmanni
Helicops infrataeniatus
Helicops leopardinus
Helicops modestus
Helicops nentur
Helicops phantasma
Helicops polylepis
Helicops tapajonicus
Helicops trivittatus
Helicops yacu
Hydrodynastes bicinctus
Hydrodynastes gigas
Hydrodynastes melanogigas
Hydrops caesurus
Hydrops martii
Hydrops triangularis
Imantodes cenchoa
Imantodes lentiferus
Lachesis muta
Leptodeira annulata
Leptodeira annulata annulata
Leptodeira annulata pulchriceps
Leptomicrurus collaris collaris
Leptomicrurus narduccii melanotus
Leptomicrurus scutiventris
Leptophis ahaetulla
Leptophis ahaetulla ahaetulla
Leptophis ahaetulla liocercus
Leptophis ahaetulla marginatus
Leptophis ahaetulla nigromarginatus
Lioheterophis iheringi
Liotyphlops beui
Liotyphlops caissara
Liotyphlops schubarti
Liotyphlops ternetzii
Liotyphlops trefauti
Liotyphlops wilderi
Lygophis anomalus
Lygophis dilepis
Lygophis flavifrenatus
Lygophis lineatus
Lygophis meridionalis
Lygophis paucidens
Mastigodryas bifossatus
Mastigodryas boddaerti
Mastigodryas boddaerti boddaerti
Mastigodryas moratoi
Mastigodryas pleei
Micrurus albicinctus
Micrurus altirostris
Micrurus annellatus annellatus
Micrurus annellatus bolivianus
Micrurus averyi
Micrurus brasiliensis
Micrurus corallinus
Micrurus decoratus
Micrurus diana
Micrurus diutius
Micrurus filiformis
Micrurus frontalis
Micrurus hemprichii hemprichii
Micrurus hemprichii ortoni
Micrurus ibiboboca
Micrurus isozonus
Micrurus langsdorffi
Micrurus lemniscatus carvalhoi
Micrurus lemniscatus helleri
Micrurus lemniscatus lemniscatus
Micrurus mipartitus
Micrurus nattereri
Micrurus pacaraimae
Micrurus paraensis
Micrurus potyguara
Micrurus psyches
Micrurus putumayensis
Micrurus pyrrhocryptus
Micrurus remotus
Micrurus silviae
Micrurus spixii
Micrurus spixii martiusi
Micrurus spixii obscurus
Micrurus spixii spixii
Micrurus surinamensis
Micrurus tikuna
Micrurus tricolor
Mussurana bicolor
Mussurana montana
Mussurana quimi
Ninia hudsoni
Oxybelis aeneus
Oxybelis fulgidus
Oxyrhopus clathratus
Oxyrhopus formosus
Oxyrhopus guibei
Oxyrhopus melanogenys melanogenys
Oxyrhopus melanogenys orientalis
Oxyrhopus occipitalis
Oxyrhopus petolarius
Oxyrhopus petolarius digitalis
Oxyrhopus rhombifer
Oxyrhopus rhombifer inaequifasciatus
Oxyrhopus rhombifer rhombifer Duméril
Oxyrhopus rhombifer septentrionalis
Oxyrhopus trigeminus
Oxyrhopus vanidicus
Paraphimophis rusticus
Phalotris concolor
Phalotris labiomaculatus
Phalotris lativittatus
Phalotris lemniscatus
Phalotris matogrossensis Lema
Phalotris mertensi
Phalotris multipunctatus
Phalotris nasutus
Phalotris reticulatus
Phalotris tricolor
Philodryas aestiva
Philodryas agassizii
Philodryas argentea
Philodryas arnaldoi
Philodryas georgeboulengeri
Philodryas laticeps
Philodryas livida
Philodryas mattogrossensis
Philodryas nattereri
Philodryas olfersii
Philodryas patagoniensis
Philodryas psammophidea
Philodryas viridissima
Phimophis guerini
Phimophis guianensis
Phrynonax polylepis
Pseudoboa coronata
Pseudoboa haasi
Pseudoboa martinsi
Pseudoboa neuwiedii
Pseudoboa nigra
Pseudoboa serrana
Pseudoeryx plicatilis mimeticus
Pseudoeryx plicatilis plicatilis
Psomophis genimaculatus
Psomophis joberti
Psomophis obtusus
Ptychophis flavovirgatus
Rhachidelus brazili
Rhinobothryum lentiginosum
Rodriguesophis chui
Rodriguesophis iglesiasi
Rodriguesophis scriptorcibatus
Siagonodon acutirostris
Siagonodon cupinensis
Siagonodon septemstriatus
Sibon nebulatus
Sibynomorphus lavillai
Sibynomorphus mikanii mikanii
Sibynomorphus mikanii septentrionalis
Sibynomorphus neuwiedi
Sibynomorphus turgidus
Sibynomorphus ventrimaculatus
Simophis rhinostoma
Siphlophis cervinus
Siphlophis compressus
Siphlophis leucocephalus
Siphlophis longicaudatus
Siphlophis pulcher
Siphlophis worontzowi
Sordellina punctata
Spilotes pullatus
Spilotes pullatus pullatus
Spilotes sulphureus poecilostoma
Spilotes sulphureus sulphureus
Taeniophallus affinis
Taeniophallus bilineatus
Taeniophallus brevirostris
Taeniophallus nicagus
Taeniophallus occipitalis
Taeniophallus persimilis
Taeniophallus poecilopogon
Taeniophallus quadriocellatus
Tantilla boipiranga
Tantilla melanocephala
Thamnodynastes almae
Thamnodynastes chaquensis
Thamnodynastes hypoconia
Thamnodynastes lanei
Thamnodynastes longicaudus
Thamnodynastes nattereri
Thamnodynastes pallidus
Thamnodynastes phoenix
Thamnodynastes ramonriveroi
Thamnodynastes rutilus
Thamnodynastes sertanejo
Thamnodynastes silvai
Thamnodynastes strigatus
Tomodon dorsatus
Tomodon ocellatus
Trilepida brasiliensis
Trilepida dimidiata
Trilepida fuliginosa
Trilepida jani
Trilepida koppesi
Trilepida macrolepis
Trilepida salgueiroi
Tropidodryas serra
Tropidodryas striaticeps
Tropidophis grapiuna
Tropidophis paucisquamis
Tropidophis preciosus
Typhlophis squamosus
Uromacerina ricardinii
Xenodon dorbignyi
Xenodon guentheri
Xenodon histricus
Xenodon matogrossensis
Xenodon merremii
Xenodon nattereri
Xenodon neuwiedii
Xenodon pulcher
Xenodon rabdocephalus rabdocephalus
Xenodon severus
Xenodon werneri
Xenopholis scalaris
Xenopholis undulatus
Xenopholis werdingorum