| A - C | D - K | L - R | S - Z |
| Acanthocerus (Tree Agamas) | |||
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Acanthocerus atricollis Blue-headed Tree Agama |
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| Acris (Cricket Frogs) | |||
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Acris crepitans Northern Cricket Frog |
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Acris crepitans blanchardi Blanchard's Cricket Frog |
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Acris crepitans crepitans Eastern Cricket Frog |
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Acris gryllus Southern Cricket Frog |
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Acris gryllus dorsalis Florida Cricket Frog |
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Acris gryllus gryllus Coastal Plain Cricket Frog |
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| Actinemys (Pacific Pond Turtles) | |||
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Actinemys marmorata Pacific Pond Turtle |
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Actinemys marmorata pallida Southern Pacific Pond Turtle |
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| Adolfus (Forest Lizards) | |||
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Adolfus jacksoni Jackson's Forest Lizard |
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| Agalychnis (Leaf Frogs) | |||
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Agalychnis callidryas Red-eyed Leaf Frog |
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| Agama (Typical Agamas) | |||
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Agama agama Red-headed Rock Agama |
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| Alligator (Alligators) | |||
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Alligator mississippiensis American Alligator |
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| Amblyrhynchus (Marine Iguanas) | |||
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Amblyrhynchus cristatus Marine Iguana |
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| Ambystoma (Mole Salamanders) | |||
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Ambystoma gracile Northwestern Salamander |
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Ambystoma macrodactylum Long-toed Salamander |
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Ambystoma macrodactylum croceum Santa Cruz Long-toed Salamander |
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| Ameiva (Ameivas) | |||
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Ameiva ameiva Giant Ameiva |
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Ameiva festiva Central American Ameiva |
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Ameiva leptophrys Delicate Ameiva |
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Ameiva quadrilineata Four-lined Ameiva |
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Ameiva taeniura Haitian Ameiva |
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Ameiva undulata Rainbow Ameiva |
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| Aneides (Climbing Salamanders) | |||
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Aneides flavipunctatus Black Salamander |
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Aneides flavipunctatus flavipunctatus Speckled Black Salamander |
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Aneides flavipunctatus niger Santa Cruz Black Salamander |
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Aneides lugubris Arboreal Salamander |
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| Anniella (American Legless Lizards) | |||
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Anniella pulchra California Legless Lizard |
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| Anolis (Anoles) | |||
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Anolis aquaticus Water Anole |
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Anolis biporcatus Neotropical Green Anole |
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Anolis capito Big-headed Anole |
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Anolis carolinensis Green Anole |
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Anolis carolinensis carolinensis Northern Green Anole |
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Anolis carolinensis seminolus Southern Green Anole |
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Anolis chlorocyanus Blue-green Anole |
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Anolis chlorocyanus cyanostictus Hispaniola Green Anole |
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Anolis cristatellus Crested Anole |
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Anolis cristatellus cristatellus Puerto Rican Crested Anole |
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Anolis cupreus Dry Forest Anole |
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Anolis cybotes Large-headed Anole |
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Anolis cybotes cybotes Large-headed Anole |
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Anolis distichus Bark Anole |
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Anolis equestris Knight Anole |
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Anolis equestris equestris Western Knight Anole |
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Anolis humilis Ground Anole |
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Anolis intermedius Gray Lichen Anole |
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Anolis lemurinus Ghost Anole |
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Anolis limifrons Slender Anole |
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Anolis oxylophus Stream Anole |
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Anolis pentaprion Lichen Anole |
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Anolis polylepis Many-scaled Anole |
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Anolis rodriguezi Border Anole |
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Anolis sagrei Brown Anole |
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Anolis sagrei sagrei Cuban Brown Anole |
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Anolis semilineatus Santa Domingo Anole |
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Anolis sericeus Silky Anole |
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| Antaresia (Antares Pythons) | |||
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Antaresia stimsoni Large-blotched Python |
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| Apalone (North American Softshells) | |||
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Apalone ferox Florida Softshell |
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Apalone spinifera Spiny Softshell |
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Apalone spinifera emoryi Texas Spiny Softshell |
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| Arizona (Glossy Snakes) | |||
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Arizona elegans Glossy Snake |
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Arizona elegans eburnata Desert Glossy Snake |
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| Aspidoscelis (Whiptails) | |||
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Aspidoscelis burti Canyon Spotted Whiptail |
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Aspidoscelis burti stictogramma Giant Spotted Whiptail |
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Aspidoscelis exsanguis Chihuahuan Spotted Whiptail |
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Aspidoscelis sexlineata Six-lined Racerunner |
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Aspidoscelis sexlineata sexlineata Eastern Six-lined Racerunner |
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Aspidoscelis sonorae Sonoran Spotted Whiptail |
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Aspidoscelis tigris Tiger Whiptail |
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Aspidoscelis tigris munda California Whiptail |
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Aspidoscelis tigris punctilinealis Sonoran Tiger Whiptail |
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Aspidoscelis tigris septentrionalis Painted Desert Whiptail |
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Aspidoscelis tigris tigris Great Basin Whiptail |
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Aspidoscelis uniparens Desert Grassland Whiptail |
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Aspidoscelis velox Plateau Striped Whiptail |
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Aspidoscelis xanthonota Red-backed Whiptail |
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| Basiliscus (Basilisks) | |||
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Basiliscus basiliscus Common Basilisk |
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Basiliscus vittatus Brown Basilisk |
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| Batrachoseps (Slender Salamanders) | |||
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Batrachoseps attenuatus California Slender Salamander |
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Batrachoseps gavilanensis Gabilan Mountains Slender Salamander |
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Batrachoseps luciae Santa Lucia Mountains Slender Salamander |
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Batrachoseps nigriventris Black-bellied Slender Salamander |
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| Boiga (Mangrove Snakes) | |||
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Boiga irregularis Eastern Brown Tree Snake |
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| Boophis (Bright-eyed Frogs) | |||
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Boophis madagascariensis Madagascar Bright-eyed Frog |
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Boophis rappiodes Central Bright-eyed Frog |
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| Bothrops (Lanceheads) | |||
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Bothrops asper Central American Lancehead |
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| Bronchocela (Common Bloodsuckers) | |||
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Bronchocela cristatella Borneo Bloodsucker |
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| Brookesia (Leaf Chameleons) | |||
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Brookesia peyrierasi Antongil Leaf Chameleon |
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| Bufo (Toads) | |||
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Bufo americanus American Toad |
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Bufo americanus charlesmithi Dwarf American Toad |
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Bufo biporcatus Indonesian Toad |
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Bufo boreas Western Toad |
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Bufo boreas boreas Boreal Toad |
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Bufo boreas halophilus California Toad |
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Bufo cognatus Great Plains Toad |
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Bufo coniferus Green Climbing Toad |
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Bufo fowleri Fowler's Toad |
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Bufo kisoloensis Montane Golden Toad |
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Bufo margaritifer South American Common Toad |
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Bufo marinus Cane Toad |
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Bufo melanochlorus Wet Forest Toad |
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Bufo melanostictus Black-spined Toad |
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Bufo microscaphus Arizona Toad |
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Bufo terrestris Southern Toad |
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Bufo valliceps Gulf Coast Toad |
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Bufo woodhousii Woodhouse's Toad |
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Bufo woodhousii australis Southwestern Woodhouse's Toad |
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| Caiman (Caimans) | |||
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Caiman crocodilus Common Caiman |
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| Callisaurus (Zebratail Lizards) | |||
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Callisaurus draconoides Zebra-tailed Lizard |
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Callisaurus draconoides rhodostictus Western Zebra-tailed Lizard |
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Callisaurus draconoides ventralis Eastern Zebra-tailed Lizard |
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| Calumma (Chameleons) | |||
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Calumma brevicornis Short-horned Chameleon |
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Calumma gastrotaenia Short-nosed Chameleon |
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Calumma nasuta Bignose Chameleon |
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Calumma oshaughnessyi O'Shaugnessy's Chameleon |
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| Caretta (Loggerhead Turtles) | |||
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Caretta caretta Loggerhead |
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| Carlia (Carlias) | |||
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Carlia rubrigularis Northern Red-throated Skink |
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| Carphophis (Wormsnakes) | |||
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Carphophis amoenus Eastern Wormsnake |
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Carphophis amoenus amoenus Eastern Wormsnake |
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| Centrolene (Giant Glass Frogs) | |||
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Centrolene prosoblepon Emerald Glass Frog |
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| Chalaradon (Madagascar Iguanas) | |||
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Chalaradon madagascariensis Madagascar Iguana |
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| Chamaeleo (Chameleons) | |||
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Chamaeleo ellioti Montane Side-striped Chameleon |
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Chamaeleo gracilis Graceful Chameleon |
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| Chelonia (Green Seaturtles) | |||
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Chelonia mydas Green Seaturtle |
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Chelonia mydas agassizii Pacific Green Turtle |
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| Chelydra (Common Snapping Turtles) | |||
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Chelydra serpentina Snapping Turtle |
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Chelydra serpentina acutirostris Ecuadorian Snapping Turtle |
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Chelydra serpentina osceola Florida Snapping Turtle |
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Chelydra serpentina serpentina Eastern Snapping Turtle |
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| Chilomeniscus (Sand Snakes) | |||
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Chilomeniscus stramineus Variable Sandsnake |
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| Chrysemys (Painted Turtles) | |||
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Chrysemys picta Painted Turtle |
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Chrysemys picta belli Western Painted Turtle |
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| Cnemidophorus (South American Whiptails) | |||
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Cnemidophorus augusticeps Yucatán Whiptail |
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| Coleonyx (Banded Geckos) | |||
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Coleonyx variegatus Western Banded Gecko |
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Coleonyx variegatus bogerti Tucson Banded Gecko |
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Coleonyx variegatus variegatus Desert Banded Gecko |
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| Colostethus (Rocket Frogs) | |||
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Colostethus nubicola Rocket Frog |
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| Coluber (North American Racers) | |||
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Coluber constrictor Eastern Racer |
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Coluber constrictor mormon Western Yellow-bellied Racer |
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Coluber constrictor paludicola Everglades Racer |
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Coluber constrictor priapus Southern Black Racer |
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| Conolophus (Galapagos Land Iguanas) | |||
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Conolophus pallidus Santa Fe Land Iguana |
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Conolophus subcristatus Galápagos Land Iguana |
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| Cophosaurus (Earless Lizards) | |||
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Cophosaurus texanus Greater Earless Lizard |
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Cophosaurus texanus scitulus Chihuahuan Earless Lizard |
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| Corytophanes (Helemeted Basilisks) | |||
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Corytophanes cristatus Helmeted Basilisk |
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| Cosymbotus (Asian House Geckos) | |||
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Cosymbotus platyurus Flat-tailed House Gecko |
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| Crocodylus (Crocodiles & Gharials) | |||
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Crocodylus acutus American Crocodile |
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Crocodylus moreletii Morelet's Crocodile |
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Crocodylus niloticus Nile Crocodile |
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| Crotalus (Rattlesnakes) | |||
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Crotalus atrox Western Diamond-backed Rattlesnake |
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Crotalus cerastes Sidewinder |
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Crotalus cerastes cerastes Mojave Desert Sidewinder |
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Crotalus cerastes laterorepens Colorado Desert Sidewinder |
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Crotalus lepidus Rock Rattlesnake |
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Crotalus lepidus klauberi Banded Rock Rattlesnake |
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Crotalus mitchellii Speckled Rattlesnake |
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Crotalus mitchellii pyrrhus Southwestern Speckled Rattlesnake |
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Crotalus oreganus Western Rattlesnake |
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Crotalus oreganus helleri Southern Pacific Rattlesnake |
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Crotalus oreganus oreganus Northern Pacific Rattlesnake |
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Crotalus scutulatus Mohave Rattlesnake |
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Crotalus scutulatus scutulatus Northern Mohave Rattlesnake |
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| Crotaphytus (Collared Lizards) | |||
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Crotaphytus bicinctores Great Basin Collared Lizard |
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Crotaphytus collaris Eastern Collared Lizard |
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| Cryptoblepharus (Snake-eyed Skinks) | |||
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Cryptoblepharus burdeni Burden's Snake-eyed Skink |
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Cryptoblepharus poecilopleurus Mottled Snake-eyed Skink |
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Cryptoblepharus virgatus Wall Skink |
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Cryptoblepharus virgatus virgatus Wall Skink |
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| Ctenophorus (Australian Dragons) | |||
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Ctenophorus caudicinctus Ring-tailed Dragon |
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Ctenophorus caudicinctus slateri Ring-tailed Dragon |
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Ctenophorus isolepis Military Dragon |
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Ctenophorus isolepis gularis Military Dragon |
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Ctenophorus nuchalis Central Netted Dragon |
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| Ctenosaura (Spiny-tailed Iguanas) | |||
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Ctenosaura hemilopha Cape Spiny-tailed Iguana |
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Ctenosaura hemilopha macrolopha Sonoran Spiny-tailed Iguana |
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Ctenosaura similis Black Iguana |
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| Ctenotus (Ctenotuses) | |||
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Ctenotus dux Chief Ctenotus |
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Ctenotus helenae Clay-soil Ctenotus |
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Ctenotus leonhardii Leonhard's Skink |
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| A - C | D - K | L - R | S - Z |
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