| Genus/Species | Common Name | Image |
| Callisaurus draconoides | Zebra-tailed Lizard |  |
| Cophosaurus texanus | Greater Earless Lizard |  |
| Holbrookia approximans | Speckled Earless Lizard |  |
| Holbrookia elegans | Elegant Earless Lizard |  |
| Holbrookia lacerata | Spot-tailed Earless Lizard |  |
| Holbrookia maculata | Common Lesser Earless Lizard |  |
| Holbrookia propinqua | Keel-scaled Earless Lizard |  |
| Phrynosoma asio | Giant Horned Lizard |  |
| Phrynosoma bauri | Baur's Short-horned Lizard |  |
| Phrynosoma blainvillii | San Diego Horned Lizard |  |
| Phrynosoma braconnieri | Short-tailed Horned Lizard |  |
| Phrynosoma brevirostris | Great Plains Short-horned Lizard |  |
| Phrynosoma cerroense | Cedros Island Horned Lizard |  |
| Phrynosoma cornutum | Texas Horned Lizard |  |
| Phrynosoma coronatum | Coast Horned Lizard |  |
tr> Phrynosoma diminutum | San Luis Valley Short-horned Lizard |  |
| Phrynosoma ditmarsi | Rock Horned Lizard |  |
| Phrynosoma douglassii | Short-horned Lizard |  |
| Phrynosoma goodei | Sonoran Horned Lizard |  |
| Phrynosoma hernandesi | Mountain Short-horned Lizard |  |
| Phrynosoma mcallii | Flat-tail Horned Lizard |  |
| Phrynosoma modestum | Round-tail Horned Lizard |  |
| Phrynosoma orbiculare | Mexican Plateau Horned Lizard |  |
| Phrynosoma ornatissimum | Desert Short-horned Lizard |  |
| Phrynosoma platyrhinos | Desert Horned Lizard |  |
| Phrynosoma sherbrookei | Guerreran Horned Lizard |  |
| Phrynosoma solare | Regal Horned Lizard |  |
| Phrynosoma taurus | Mexican Horned Lizard |  |
| Phrynosoma wigginsi | Gulf Coast Horned Lizard |  |
| Uma cowlesi | Yuman Desert Fringe-toed Lizard |  |
| Uma exsul | Fringe-toed Sand Lizard |  |
| Uma inornata | Coachella Valley Fringe-toed Lizard |  |
| Uma notata | Colorado Desert Fringe-toed Lizard |  |
| Uma paraphygas | Chihuahuan Fringe-toed Lizard |  |
| Uma scoparia | Mojave Fringe-toed Lizard |  |
| Genus/Species | Common Name | Image |
| Eurolophosaurus amathites | Amathites Lava Lizard |  |
| Eurolophosaurus divaricatus | Unspecified |  |
| Eurolophosaurus nanuzae | Rodrigues' Lava Lizard |  |
| Microlophus albemarlensis | Galapagos Lava Lizard |  |
| Microlophus atacamensis | Atacamen Pacific Iguana |  |
| Microlophus barringtonensis | Santa Fe Lava Lizard |  |
| Microlophus bivittatus | San Cristobal Lava Lizard |  |
| Microlophus delanonis | Hood Lava Lizard |  |
| Microlophus duncanensis | Pinzon Lava Lizard |  |
| Microlophus grayii | Floreana Lava Lizard |  |
| Microlophus habelii | Marchen Lava Lizard |  |
| Microlophus heterolepis | Many-scaled Lava Lizard |  |
| Microlophus indefatigabilis | Santa Cruz Lava Lizard |  |
| Microlophus jacobii | Santiago Lava Lizard |  |
| Microlophus koepckeorum | Frost's Lava Lizard |  |
| Microlophus occipitalis | Knobbed Pacific Iguana |  |
| Microlophus pacificus | Common Pacific Iguana |  |
| Microlophus peruvianus | Peru Pacific Iguana |  |
| Microlophus quadrivittatus | Four-banded Pacific Iguana |  |
| Microlophus stolzmanni | Unspecified |  |
| Microlophus tarapacensis | Tarapaca Pacific Iguana |  |
| Microlophus theresiae | Theresia's Pacific Iguana |  |
| Microlophus theresioides | Small Pacific Iguana |  |
| Microlophus thoracicus | Tschudi's Pacific Iguana |  |
tr> Microlophus tigris | Tiger Pacific Iguana |  |
| Microlophus yanezi | Yanez' Pacific Iguana |  |
| Plica caribeana | Caribbean Tree-runner |  |
| Plica kathleenae | Kathleen's Tree-runner |  |
| Plica lumaria | Unspecified | |
| Plica medemi | Medem's Tree-runner |  |
| Plica pansticta | Unspecified |  |
| Plica plica | Collared Tree-runner |  |
| Plica rayi | Ray's Tree-runner |  |
| Plica umbra | Blue-lipped Tree-runner |  |
| Stenocercus aculeatus | Thorny Whorl-tail-Iguana |  |
| Stenocercus albolineatus | Unspecified |  |
| Stenocercus amydrorhytus | Unspecified |  |
| Stenocercus angel | Angel Whorl-tail-Iguana |  |
| Stenocercus angulifer | Angular Whorl-tail-Iguana |  |
| Stenocercus apurimacus | Fritts' Whorl-tail Iguana |  |
| Stenocercus arndti | La Granja Whorl-tail Lizard |  |
| Stenocercus azureus | Muller's Whorl-tail Iguana |  |
| Stenocercus boettgeri | Boettger's Whorl-tail Iguana |  |
| Stenocercus bolivarensis | Bolivar Whorl-tail Iguana |  |
| Stenocercus cadlei | Cadle's Whorl-tail Iguana |  |
| Stenocercus caducus | Brown Leaf Lizard |  |
| Stenocercus carrioni | Parker's Whorl-tail Iguana |  |
| Stenocercus chinchaoensis | Chinchao Whorl-tail Lizar | |
| Stenocercus chlorostictus | Unspecified |  |
| Stenocercus chota | Chota Whorl-tail Iguana |  |
| Stenocercus chrysopygus | Golden Whorl-tail Iguana |  |
| Stenocercus crassicaudatus | Spiny Whorl-tail Iguana |  |
| Stenocercus cupreus | Copper Whorl-tail Iguana |  |
| Stenocercus doellojuradoi | Peru Pacific Iguana |  |
| Stenocercus dumerilii | Dumeril's Whorl-tail Iguana |  |
| Stenocercus empetrus | Rock Whorl-tail Iguana |  |
| Stenocercus erythrogaster | Unspecified |  |
| Stenocercus eunetopsis | Unspecified |  |
| Stenocercus festae | Peracca's Whorl-tail Iguana |  |
| Stenocercus fimbriatus | Western Leaf Lizard |  |
tr> Stenocercus formosus | Formosa Whorl-tail Iguana | |
| Stenocercus frittsi | Unspecified |  |
| Stenocercus guentheri | Gunther's Whorl-tail Iguana |  |
| Stenocercus haenschi | Climbing Whorl-tail Iguana |  |
| Stenocercus huancabambae | Unspecified |  |
| Stenocercus humeralis | Patterned Whorl-tail Iguana |  |
| Stenocercus imitator | Unspecified |  |
| Stenocercus iridescens | West Ecuadorian Whorl-tail Iguana |  |
| Stenocercus ivitus | Ivy Whorl-tail Iguana |  |
| Stenocercus johaberfellneri | Blue-lipped Tree-runner |  |
| Stenocercus aculeatus | Thorny Whorl-tail-Iguana | |
| Stenocercus albolineatus | Unspecified | |
| Stenocercus amydrorhytus | Unspecified | |
| Stenocercus angel | Angel Whorl-tail-Iguana | |
| Stenocercus angulifer | Angular Whorl-tail-Iguana | |
| Stenocercus apurimacus | Fritts' Whorl-tail Iguana | |
| Stenocercus arndti | La Granja Whorl-tail Lizard | |
| Stenocercus azureus | Muller's Whorl-tail Iguana | |
| Stenocercus boettgeri | Boettger's Whorl-tail Iguana | |
| Stenocercus bolivarensis | Bolivar Whorl-tail Iguana | |