| Genus/Species | Common Name | Image |
| Ameiva aggerecusans | Unspecified |  |
| Ameiva ameiva | Amazon Racerunner |  |
| Ameiva atrigularis | Venezuelan Ameiva |  |
| Ameiva bifrontata | Cope's Ameiva |  |
| Ameiva concolor | Unspecified |  |
| Ameiva fuliginosa | Unspecified |  |
| Ameiva jacuba | Unspecified |  |
| Ameiva nodam | Unspecified |  |
| Ameiva pantherina | Unspecified |  |
| Ameiva parecis | Unspecified |  |
| Ameiva praesignis | Amazon Racerunner |  |
| Ameiva provitaae | Unspecified |  |
| Ameiva reticulata | Unspecified |  |
| Ameiva tobagana | Antillean Ameiva |  |
| Ameivula apipensis | Unspecified |  |
| Ameivula cipoensis | Unspecified |  |
| Ameivula confusioniba | Unspecified |  |
| Ameivula jalapensis | Unspecified |  |
| Ameivula mumbuca | Unspecified |  |
| Ameivula nativo | Linhares Whiptail |  |
| Ameivula nigrigula | Unspecified |  |
| Ameivula ocellifer | Spix's Whiptail |  |
| Ameivula pyrrhogularis | Unspecified |  |
| Ameivula xacriaba | Unspecified |  |
| Aspidoscelis angusticeps | Yucatan Whiptail |  |
| Aspidoscelis burti | Canyon Spotted Whiptail |  |
| Aspidoscelis calidipes | Rio Tecaltepic Valley Whiptail |  |
| Aspidoscelis carmenensis | Carmen Island Whiptail |  |
| Aspidoscelis ceralbensis | Cerralvo Island Whiptail |  |
| Aspidoscelis communis | Colima Giant Whiptail |  |
| Aspidoscelis costatus | Western Mexico Whiptail |  |
| Aspidoscelis cozumela | Rio Tecaltepic Valley Whiptail | |
| Aspidoscelis danheimae | Isla San Jos Whiptail |  |
| Aspidoscelis deppei | Black-belly Racerunner |  |
| Aspidoscelis espiritensis | Espiritu Santo Whiptail |  |
| Aspidoscelis exsanguis | Chihuahuan Spotted Whiptail |  |
| Aspidoscelis franciscensis | San Francisco Island Whiptail |  |
| Aspidoscelis gularis | Eastern Spotted Whiptail |  |
| Aspidoscelis guttatus | Mexican Racerunner |  |
| Aspidoscelis hyperythrus | Belding's Orange-throated Whiptail |  |
| Aspidoscelis inornatus | Little Striped Whiptail |  |
| Aspidoscelis labialis | Baja California Whiptail |  |
| Aspidoscelis laredoensis | Laredo Striped Whiptail |  |
| Aspidoscelis lineattissimus | Many-lined Whiptail |  |
| Aspidoscelis marmoratus | Marbled Whiptail |  |
| Aspidoscelis martyris | San Pedro Martir Whiptail |  |
| Aspidoscelis maslini | Maslin's Whiptail |  |
| Aspidoscelis maximus | Cape Region Whiptail |  |
| Aspidoscelis mexicanus | Mexican Whiptail |  |
| Aspidoscelis motaguae | Giant Whiptail |  |
| Aspidoscelis neomexicanus | New Mexico Whiptail |  |
| Aspidoscelis neotesselatus | Colorado Checkered Whiptail |  |
| Aspidoscelis opatae | Opata Whiptail |  |
| Aspidoscelis pai | Pai Striped Whiptail |  |
| Aspidoscelis parvisocius | Mexican Pygmy Whiptail |  |
| Aspidoscelis picta | Isla Monserrate Whiptail |  |
| Aspidoscelis preopatae | Unspecified |  |
| Aspidoscelis rodecki | Rodeck's Whiptail |  |
| Aspidoscelis sackii | Sack's Spotted Whiptail |  |
| Aspidoscelis scalaris | Rusty-rumped Whiptail |  |
| Aspidoscelis sexlineatus | Six-lined Racerunner |  |
| Aspidoscelis sonorae | Sonoran Spotted Whiptail |  |
| Aspidoscelis stictogramma | Giant Spotted Whiptail |  |
| Aspidoscelis tesselatus | Common Checkered Whiptail |  |
| Aspidoscelis tigris | Tiger Whiptail |  |
| Aspidoscelis uniparens | Desert Grassland Whiptail |  |
| Aspidoscelis velox | Plateau Striped Whiptail |  |
| Aspidoscelis xanthonota | Red-backed Whiptail |  |
| Aurivela longicaudus | Long-tail Whiptail |  |
| Aurivela tergolaevigata | Unspecified |  |
| Callopistes flavipunctata | False Monitor |  |
| Callopistes maculatus | Spotted False Monitor |  |
| Cnemidophorus arenivagus | Unspecified |  |
| Cnemidophorus arubensis | Aruba Whiptail |  |
| Cnemidophorus cryptus | Cryptic Racerunner |  |
| Cnemidophorus duellmani | Unspecified |  |
| Cnemidophorus espeuti | Rainbow Lizard |  |
| Cnemidophorus flavissimus | Los Frailes Whiptail |  |
| Cnemidophorus gaigei | Gaige's Rainbow Lizard |  |
| Cnemidophorus gramivagus | Unspecified |  |
| Cnemidophorus lemniscatus | Rainbow Lizard |  |
| Cnemidophorus leucopsammus | Blanquilla Whiptail |  |
| Cnemidophorus murinus | Laurent's Whiptail |  |
| Cnemidophorus nigricolor | Unspecified |  |
| Cnemidophorus pseudolemniscatus | Colee's Racerunner |  |
| Cnemidophorus rostralis | La Tortuga Whiptail |  |
| Cnemidophorus ruatanus | Central American Whiptail |  |
| Cnemidophorus ruthveni | Bonaire Whiptail |  |
| Cnemidophorus senectus | Venezuela Whiptail |  |
| Cnemidophorus splendidus | Blue Rainbow Lizard |  |
| Cnemidophorus vanzoi | Saint Lucia Whiptail |  |
| Contomastix celata | Unspecified |  |
| Contomastix lacertoides | Bibron's Whiptail |  |
| Contomastix leachei | Leacher's Whiptail |  |
| Contomastix serranus | Unspecified |  |
| Contomastix vacariensis | Unspecified |  |
| Contomastix vittata | Unspecified |  |
| Crocodilurus amazonicus | Crocodile Tegu |  |
| Dicrodon guttulatum | Peru Desert Tegu |  |
| Dicrodon heterolepis | Ecuador Desert Tegu |  |
| Dicrodon holmbergi | Holmberg's Desert Tegu |  |
| Dracaena guianensis | Northern Caiman Lizard |  |
| Dracaena paraguayensis | Paraguay Caiman Lizard |  |
| Glaucomastix abaetensis | Sand Dune Lizard |  |
| Glaucomastix cyanura | Unspecified |  |
| Glaucomastix itabaianensis | Unspecified |  |
| Glaucomastix littoralis | Unspecified |  |
| Glaucomastix venetacauda | Unspecified |  |
| Holcosus amphigrammus | Rainbow Ameiva |  |
| Holcosus anomalus | Echternacht's Ameiva |  |
| Holcosus bridgesii | Bridges' Ameiva |  |
| Holcosus chaitzami | Chaitzam's Ameiva |  |
| Holcosus festivus | Middle American Ameiva |  |
| Holcosus gaigeae | Rainbow Ameiva |  |
| Holcosus hartwegi | Rainbow Ameiva |  |
| Holcosus leptophrys | Delicate Ameiva |  |
| Holcosus niceforoi | Unspecified |  |
| Holcosus orcesi | Peters' Ameiva |  |
| Holcosus parvus | Rainbow Ameiva |  |
| Holcosus pulcher | Rainbow Ameiva |  |
| Holcosus quadrilineatus | Four-lined Ameiva |  |
| Holcosus septemlineatus | Seven-lined Ameiva |  |
| Holcosus sinister | Rainbow Ameiva |  |
| Holcosus stuarti | Rainbow Ameiva |  |
| Holcosus thomasi | Rainbow Ameiva |  |
| Holcosus undulatus | Rainbow Ameiva |  |
| Kentropyx altamazonica | Cocha Whiptail |  |
| Kentropyx borckiana | Guyana Kentropyx |  |
| Kentropyx calcarata | Striped Forest Whiptail |  |
| Kentropyx lagartija | Tucuman Whiptail | |
| Kentropyx paulensis | Boettger's Kentropyx |  |
| Kentropyx pelviceps | Forest Whiptail |  |
| Kentropyx striata | Striped Whiptail |  |
| Kentropyx vanzoi | Gallagher's Kentropyx |  |
| Kentropyx viridistriga | Green Kentropyx |  |
| Medopheos edracanthus | Bocourt's Ameiva |  |
| Pholidoscelis alboguttatus | Mona Ground Lizard |  |
| Pholidoscelis atratus | Redonda Ground Lizard |  |
| Pholidoscelis auberi | Auber's Ameiva |  |
| Pholidoscelis chrysolaema | Common Ameiva |  |
| Pholidoscelis corax | Censky's Ameiva |  |
| Pholidoscelis corvina | Sombrero Ameiva |  |
| Pholidoscelis desechensis | Desecheo Ground Lizard |  |
| Pholidoscelis dorsalis | Jamaica Ameiva |  |
| Pholidoscelis erythrocephala | St. Christopher Ameiva |  |
| Pholidoscelis exsul | Puerto Rican Giant Ground Lizard |  |
| Pholidoscelis fuscata | Dominican Ameiva |  |
| Pholidoscelis griswoldi | Griswold's Ameiva |  |
| Pholidoscelis lineolata | Pygmy Blue-tailed Ameiva |  |
| Pholidoscelis maynardi | Great Inagua Ameiva |  |
| Pholidoscelis plei | Anguilla Bank Ameiva |  |
| Pholidoscelis pluvianotata | Montserrat Ameiva |  |
| Pholidoscelis polops | St. Croix Ameiva |  |
| Pholidoscelis taeniurus | Hispaniolan Blue-tailed Ground Lizard |  |
| Pholidoscelis wetmorei | Wetmore's Ameiva |  |
| Salvator duseni | Yellow Tegu |  |
| Salvator merianae | Argentine Black-and-white Tegu |  |
| Salvator rufescens | Red Tegu |  |
| Teius oculatus | Ocellated Whiptail |  |
| Teius suquiensis | Rio Suquia Four-toed Tegu |  |
| Teius teyou | Four-toed Tegu |  |
| Tupinambis cryptus | Cryptic Golden Tegu |  |
| Tupinambis cuzcoensis | Cusco Tegu Lizard |  |
| Tupinambis longilineus | Rhondonia Tegu |  |
| Tupinambis matipu | Matipu Tegu |  |
| Tupinambis palustris | Swamp Tegu |  |
| Tupinambis quadrilineatus | Four-lined Tegu |  |
| Tupinambis teguixin | Black Tegu |  |
| Tupinambis zuliensis | Maracaibo Basin Tegu Lizard |  |
| Genus/Species | Common Name | Image |
| Varanus acanthurus | Ridge-tail Monitor |  |
| Varanus albigularis | White-throated Monitor |  |
| Varanus auffenbergi | Auffenberg's Monitor |  |
| Varanus bangonorum | Bangon Monitor |  |
| Varanus beccarii | Black Tree Monitor |  |
| Varanus bengalensis | Bengal Monitor |  |
| Varanus bitatawa | Northern Sierra Madre Forest Monitor |  |
| Varanus boehmei | Golden Speckled Tree Monitor |  |
| Varanus bogerti | Bogert's Monitor |  |
| Varanus brevicauda | Short-tailed Pygmy Monitor |  |
| Varanus bushi | Pilbara Goanna |  |
| Varanus caerulivirens | Turquoise Monitor |  |
| Varanus caudolineatus | Line-tailed Pygmy Monitor |  |
| Varanus cerambonensis | Halmahera Monitor |  |
| Varanus citrinus | Gulf Ridge-tailed Monitor |  |
| Varanus colei | Cole's Monitor |  |
| Varanus cumingi | Cuming's Monitor |  |
| Varanus dalubhasa | Enteng s Monitor |  |
| Varanus doreanus | Blue-tail Monitor |  |
| Varanus douarrha | New Ireland Monitor |  |
| Varanus dumerilii | Dumeril Monitor |  |
| Varanus eremius | Rusty Desert Monitor |  |
| Varanus exanthematicus | Savannah Monitor |  |
| Varanus finschi | Finsch's Monitor |  |
| Varanus flavescens | Yellow Monitor |  |
| Varanus giganteus | Perentie |  |
| Varanus gilleni | Pygmy Mulga Monitor |  |
| Varanus glauerti | Kimberley Rock Monitor |  |
| Varanus glebopalma | Black-palmed Rock Monitor |  |
| Varanus gouldii | Sand Monitor |  |
| Varanus griseus | Desert Monitor |  |
| Varanus hamersleyensis | Southern Pilbara Rock Goanna |  |
| Varanus indicus | Mangrove Monitor |  |
| Varanus insulanicus | Black-spotted Spiny-tailed Monitor |  |
| Varanus jobiensis | Peach-throat Monitor |  |
| Varanus juxtindicus | Hakoi Monitor |  |
| Varanus keithhornei | Canopy Goanna |  |
| Varanus kingorum | King's Rock Monitor |  |
| Varanus komodoensis | Komodo Dragon |  |
| Varanus kordensis | Biak Tree Monitor |  |
| Varanus lirungensis | Talaud Mangrove Monitor |  |
| Varanus mabitang | Panay Monitor |  |
| Varanus macraei | Blue Tree Monitor |  |
| Varanus marmoratus | Water Monitor |  |
| Varanus melinus | Quince Monitor |  |
| Varanus mertensi | Mertens' Water Monitor |  |
| Varanus mitchelli | Mitchell`s Water Monitor |  |
| Varanus nebulosus | Clouded Monitor |  |
| Varanus nesterovi | Nesterov's Desert Monitor |  |
| Varanus niloticus | Nile Monitor |  |
| Varanus nuchalis | Panay Island Monitor |  |
| Varanus obor | Sago Monitor |  |
| Varanus olivaceus | Gray's Monitor |  |
| Varanus ornatus | Ornate Monitor |  |
| Varanus palawanensis | Palawan Water Monitor |  |
| Varanus panoptes | Spotted Monitor |  |
| Varanus pilbarensis | Pilbara Rock Monitor |  |
| Varanus prasinus | Emerald Monitor |  |
| Varanus primordius | Northern Blunt-spined Monitor |  |
| Varanus rainerguentheri | Rainer Gunther's Monitor |  |
| Varanus rasmusseni | Rasmussen's Water Monitor |  |
| Varanus reisingeri | Reisinger's Monitor |  |
| Varanus rosenbergi | Rosenberg's Heath Monitor |  |
| Varanus rudicollis | Rough-necked Monitor |  |
| Varanus salvadorii | Crocodile Monitor |  |
| Varanus salvator | Common Water Monitor |  |
| Varanus samarensis | Samar Water Monitor |  |
| Varanus scalaris | Spotted Tree Monitor |  |
| Varanus semiremex | Rusty Monitor |  |
| Varanus semotus | Mussau Monitor |  |
| Varanus similis | Grey Tree Monitor |  |
| Varanus sparnus | Dampier Peninsula Monitor |  |
| Varanus spenceri | Spencer's Monitor |  |
| Varanus spinulosus | Keeled Monitor |  |
| Varanus storri | Storr's Monitor |  |
| Varanus telenesetes | Buru Island Blue Monitor |  |
| Varanus timorensis | Spotted Tree Monitor |  |
| Varanus togianus | Togian Water Monitor |  |
| Varanus tristis | Freckled Monitor |  |
| Varanus tsukamotoi | Mariana Monitor |  |
| Varanus varius | Lace Monitor |  |
| Varanus yemenensis | Yemen Monitor |  |
| Varanus yuwonoi | Black-backed Mangrove Monitor |  |
| Varanus zugorum | Zug's Mangrove Monitor |  |
| Genus/Species | Common Name | Image |
| Cricosaura typica | Cuban Night Lizard |  |
| Lepidophyma chicoasensis | Sumidero Tropical Night Lizard |  |
| Lepidophyma cuicateca | Sunidero Tropical Night Lizard |  |
| Lepidophyma dontomasi | MacDougall's Tropical Night Lizard |  |
| Lepidophyma flavimaculatum | Yellow-spotted Night Lizard |  |
| Lepidophyma gaigeae | Gaige's Tropical Night Lizard |  |
| Lepidophyma inagoi | Unspecified |  |
| Lepidophyma lineri | Liner's Tropical Night Lizard |  |
| Lepidophyma lipetzi | Lipetz's Tropical Night Lizard | |
| Lepidophyma lowei | Lowe's Tropical Night Lizard |  |
| Lepidophyma mayae | Mayan Tropical Night Lizard |  |
| Lepidophyma micropholis | Cave Tropical Night Lizard |  |
| Lepidophyma occulor | Japlan Tropical Night Lizard |  |
| Lepidophyma pajapanensis | Pajapan Tropical Night Lizard |  |
| Lepidophyma radula | Yautepec Tropical Night Lizard |  |
| Lepidophyma reticulatum | Costa Rican Tropical Night Lizard |  |
| Lepidophyma smithii | Smith's Tropical Night Lizard |  |
| Lepidophyma sylvaticum | Madrean Tropical Night Lizard |  |
| Lepidophyma tarascae | Tarascan Tropical Night Lizard |  |
| Lepidophyma tuxtlae | Tuxtla Tropical Night Lizard |  |
| Lepidophyma zongolica | Unspecified |  |
| Xantusia arizonae | Arizona Night Lizard |  |
| Xantusia bezyi | Bezy's Night Lizard |  |
| Xantusia bolsonae | Bolson Night Lizard |  |
| Xantusia extorris | Durango Night Lizard |  |
| Xantusia gilberti | Gilbert's Night Lizard |  |
| Xantusia gracilis | Sandstone Night Lizard |  |
| Xantusia henshawi | Granite Night Lizard |  |
| Xantusia jaycolei | Cole's Night Lizard |  |
| Xantusia riversiana | Island Night Lizard |  |
| Xantusia sanchezi | Sanchez' Night Lizard |  |
| Xantusia sherbrookei | Sherbrooke's Night Lizard |  |
| Xantusia sierrae | Sierra Night Lizard |  |
| Xantusia vigilis | Desert Night Lizard |  |
| Xantusia wigginsi | Baja California Night Lizard |  |
| Genus/Species | Common Name | Image |
| Xenosaurus agrenon | Mountain Knob-scaled Lizard |  |
| Xenosaurus arboreus | Arboreal Knob-scaled Lizard |  |
| Xenosaurus fractus | Unspecified |  |
| Xenosaurus grandis | Knob-scaled Lizard |  |
| Xenosaurus mendozai | Sierra Gorda Rock Lizard |  |
| Xenosaurus newmanorum | Newman's Knob-scaled Lizard |  |
| Xenosaurus penai | Pena's Knob-scaled Lizard |  |
| Xenosaurus phalaroantheron | Chin-spotted Knob-scaled Lizard |  |
| Xenosaurus platyceps | Flathead Knob-scaled Lizard |  |
| Xenosaurus rackhami | Rackham's Knob-scaled Lizard |  |
| Xenosaurus rectocollaris | Pallid Knob-scaled Lizard |  |
| Xenosaurus tzacualtipantecus | Zacualtipan Knob-scaled Lizard |  |