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Lizards, Snakes and Their Relatives Common Name Scientific Name Group African Fat-tailed Gecko • head Hemitheconyx caudicinctus Scleroglossans Amazon Wood Lizard • head Enyalioides laticeps Iguanians AMNH 21444 • skull Cretaceous Gekkonomorph† Scleroglossans Anolis Lizard in Amber • skull in amber Anolis sp. Iguanians Baja Worm Lizard • head Bipes biporus Scleroglossans Banana Boa • head Ungaliophis continentalis Scleroglossans Banded Rock Lizard • head Petrosaurus mearnsi Iguanians Beaded Lizard • head Heloderma horridum Scleroglossans Bearded Dragon • head Pogona vitticeps Iguanians Bezy's Night Lizard • head Xantusia bezyi Scleroglossans Black-headed Python • head Aspidites melanocephalus Scleroglossans Black-lined Plated Lizard • head Gerrhosaurus nigrolineatus Scleroglossans Bluetongue Skink • head Tiliqua scincoides Scleroglossans Brahminy Blind Snake • head Ramphotyphlops braminus Scleroglossans Brahminy Blind Snake • whole Ramphotyphlops braminus Scleroglossans Brazilian Steppe Iguana • head Urostrophus vautieri Iguanians Broad-banded Copperhead • head Agkistrodon contortrix Scleroglossans Brown Tree Climber Lizard • head Uranoscodon superciliosus Iguanians Brygoo's Chameleon • head Brookesia brygooi Iguanians Burmese Python • head Python molurus Scleroglossans Burton's Legless Lizard • head Lialis burtonis Scleroglossans Bush Anole • head Polychrus marmoratus Iguanians Bush Anole • head Pristidactylus torquatus Iguanians Bushmaster • head Lachesis muta Scleroglossans Butterfly Lizard • head Leiolepis belliana Iguanians Calabar Ground 'Python' • head Calabaria reinhardtii Scleroglossans California Legless Lizard • head Anniella pulchra Scleroglossans Cape Wolf Snake • head Lycophidion capense Scleroglossans Cat Gecko • head Aeluroscalabotes felinus Scleroglossans Central American Fer-de-lance • head Bothrops asper Scleroglossans Checkerboard Worm Lizard • head Trogonophis wiegmanni Scleroglossans Checkered Garter Snake • head Thamnophis marcianus Scleroglossans Checkered Keelback Snake • head Xenochrophis piscator Scleroglossans Chihuahua Desert Horned Lizard • head Phrynosoma orbiculare Iguanians Chinese Crocodile Lizard • head (adult) Shinisaurus crocodilurus Scleroglossans Chinese Crocodile Lizard • head (juvenile) Shinisaurus crocodilurus Scleroglossans Chinese Water Dragon • head Physignathus cocincinus Iguanians Coast Horned Lizard • head Phrynosoma coronatum Iguanians Collared Lizard • head Crotaphytus collaris Iguanians Collared Tree Lizard • head Plica plica Iguanians Common Boa Constrictor • head Boa constrictor Scleroglossans Common Kingsnake • egg (skull) Lampropeltis getula Scleroglossans Common Kingsnake • egg (whole) Lampropeltis getula Scleroglossans Common Kingsnake • head (adult) Lampropeltis getula Scleroglossans Common Night Adder • head Causus rhombeatus Scleroglossans Common Tegu • head Tupinambis teguixin Scleroglossans Coral Snake • head Micrurus fulvius Scleroglossans Cuban Night Lizard • head Cricosaura typica Scleroglossans Curly-tailed Lizard • head Leiocephalus barahonensis Iguanians Desert Horned Lizard • head Phrynosoma platyrhinos Iguanians Desert Iguana • head Dipsosaurus dorsalis Iguanians Desert Night Lizard • head Xantusia vigilis Scleroglossans Desert Plated Lizard • head (adult) Angolosaurus skoogi Scleroglossans Desert Plated Lizard • head (juvenile) Angolosaurus skoogi Scleroglossans Durango Night Lizard • head (paratype) Xantusia 'extorris' Scleroglossans Dwarf Chilean Chuckwalla • head Phymaturus palluma Iguanians Dwarf Pipe Snake • head Anomochilus leonardi Scleroglossans Dwarf Plated Lizard • head Cordylosaurus subtessellatus Scleroglossans Dwarf Tegu • head Callopistes maculatus Scleroglossans Earless Monitor • head (FMNH) Lanthanotus borneensis Scleroglossans Earless 'Monitor' • head (YPM) Lanthanotus borneensis Scleroglossans East African Sand Boa • head Eryx colubrinus Scleroglossans Eastern Hognose Snake • head Heterodon platirhinos Scleroglossans Egyptian Cobra • head Naja haje Scleroglossans Egyptian Spiny-tailed Lizard • head Uromastyx aegyptius Iguanians European Legless Lizard • head Ophisaurus apodus Scleroglossans Fiji Banded Iguana • head Brachylophus fasciatus Iguanians Five-banded Gliding Lizard • head Draco quinquefasciatus Iguanians Five-lined Skink • head Eumeces fasciatus Scleroglossans Flame Belly Armadillo Lizard • head Cordylus mossambicus Scleroglossans Flat-tailed Horned Lizard • head Phrynosoma mcallii Iguanians Flat-tailed Horned Lizard • whole Phrynosoma mcallii Iguanians Florida Worm Lizard • head Rhineura floridana Scleroglossans Forest Crested Lizard • head Calotes emma Iguanians Fossil Anguid • skull (CM 1050) Helodermoides tuberculatus† Scleroglossans Fossil Anguid • skull (CM 51344) Helodermoides tuberculatus† Scleroglossans Fossil Anguid • skull (USNM 13861) Helodermoides tuberculatus† Scleroglossans Fossil Corytophanid • skull Aciprion formosum† Iguanians Fossil Gekkotan • skull Gobekko cretacicus† Scleroglossans Fossil Gekkotan • skull Gobekko cretacicus† Scleroglossans Fossil Gila Monster • skull Heloderma texana† Scleroglossans Fossil Helodermatid • skull Gobiderma pulchrum† Scleroglossans Fossil Iguanian • skull Isodontosaurus gracilis† Iguanians Fossil Iguanian • skull Arretosaurus ornatus† Iguanians Fossil Iguanid • skull Temujinia ellisoni† Iguanians Fossil Iguanid • skull Ctenomastax parva† Iguanians Fossil Iguanid • skull Zapsosaurus sceliphros Iguanians Fossil Scincomorph • skull Parmeosaurus scutatus† Scleroglossans Fossil Snake with Legs • skull (holotype) Pachyrhachis problematicus† Scleroglossans Fossil Worm Lizard • skull Rhineura hatcherii† Scleroglossans Four-toed Worm Lizard • head Bipes canaliculatus Scleroglossans Gaige's Tropical Night Lizard • head Lepidophyma gaigeae Scleroglossans Galliwasp • head Celestus enneagrammus Scleroglossans Gargoyle Gecko • head Rhacodactylus auriculatus Scleroglossans Giant Amphisbaena • head Amphisbaena alba Scleroglossans Gila Monster • head (adult) Heloderma suspectum Scleroglossans Gila Monster • head (juvenile) Heloderma suspectum Scleroglossans Gila Monster • whole (juvenile) Heloderma suspectum Scleroglossans Granite Night Lizard • head Xantusia henshawi Scleroglossans Grass Lizard • head Takydromus ocellatus Scleroglossans Grass Snake • head Natrix natrix Scleroglossans Green Anole • head Anolis carolinensis Iguanians Green Lizard • head Lacerta viridis Scleroglossans Ground Snake • head Sonora semiannulata Scleroglossans Haitian Dwarf Boa • head Tropidophis haetianus Scleroglossans Helmeted Basilisk • head Corytophanes cristatus Iguanians Indian Cobra • head Naja naja Scleroglossans Indian Spiny-tailed Lizard • skull Uromastyx hardwickii Iguanians Island Night Lizard • head Xantusia riversiana Scleroglossans Jamaican Blind Snake • head Typhlops jamaicensis Scleroglossans Jesus Christ Lizard • head Basiliscus basiliscus Iguanians Keel-headed Worm Lizard • head Anops kingii Scleroglossans Knob-scaled Lizard • head Xenosaurus grandis Scleroglossans Knob-tailed Gecko • head Nephrurus levis Scleroglossans Leaf Lizard • head Stenocercus guentheri Iguanians Leopard Gecko • head Eublepharis macularius Scleroglossans Lined Day Gecko • head Phelsuma lineata Scleroglossans Long-nosed Leopard Lizard • head Gambelia wislizenii Iguanians Long-spined Horned Lizard • head Phrynosoma asio Iguanians Lyre Snake • head Trimorphodon biscutatus Scleroglossans Madagascar Swift • head Oplurus cyclurus Iguanians Madtsoiid Snake • braincase Menarana nosymena† Scleroglossans Magdalena Night Lizard • head Xantusia magdalena Scleroglossans Malagasy Plated Lizard • head Tracheloptychus petersi Scleroglossans Matuasto • head Leiosaurus catamarcensis Iguanians Mexican Horned Lizard • embryo Phrynosoma taurus Iguanians Mexican Horned Lizard • head Phrynosoma taurus Iguanians Mexican Horned Lizard • whole Phrynosoma taurus Iguanians Mexican Spinytail Iguana • skull Ctenosaura pectinata Iguanians Microteiid • head Pholidobolus montium Scleroglossans Microteiid • head Colobosaura modesta Scleroglossans Mojave Fringe-toed Lizard • head Uma scoparia Iguanians Mosasaur • skull Plotosaurus bennisoni Scleroglossans Mosasauroid Lizard • whole (holotype) Kaganaias hakusanensis† Scleroglossans Mottled Amphisbaena • head Amphisbaena fuliginosa Scleroglossans 'Necrosaur' • skull (holotype) Eosaniwa koehni† Scleroglossans Neon Blue Tailed Tree Lizard • head Holaspis guentheri Scleroglossans New World Sunbeam Snake • head Loxocemus bicolor Scleroglossans North African Sandfish • head Scincus scincus Scleroglossans Northern Leaf-tailed Gecko • head Phyllurus cornutus Scleroglossans Ocellated Skink • head Chalcides ocellatus Scleroglossans Ornate Girdled Lizard • head Zonosaurus ornatus Scleroglossans Pale-sided Skink • head Eugongylus rufescens Scleroglossans Puff-faced Water Snake • head Homalopsis buccata Scleroglossans Pygmy Short-horned Lizard • head Phrynosoma douglassii Iguanians Red Pipe Snake • head Anilius scytale Scleroglossans Red-headed Agama • head Agama agama Iguanians Red-tailed Pipe Snake • head Cylindrophis ruffus Scleroglossans Regal Horned Lizard • head Phrynosoma solare Iguanians Ridge-tail Monitor • head Varanus acanthurus Scleroglossans Ringneck Snake • head Diadophis punctatus Scleroglossans Rock Horned Lizard • head Phrynosoma ditmarsi Iguanians Rose-bellied Lizard • head Sceloporus variabilis Iguanians Rosy Boa • head Lichanura trivirgata Scleroglossans Round Island Boa • head Casarea dussumieri Scleroglossans Round-snouted Worm Lizard • head Loveridgea ionidesii Scleroglossans Round-tailed Horned Lizard • head Phrynosoma modestum Iguanians Rusty-topped Delma • head Delma borea Scleroglossans Sand Monitor • head Varanus gouldii Scleroglossans Savannah Monitor • head Varanus exanthematicus Scleroglossans Schneider's Skink • head Eumeces (Novoeumeces) schneideri Scleroglossans Short-horned Lizard • head Phrynosoma hernandesi Iguanians Short-legged Skink • head Brachymeles gracilis Scleroglossans Short-tailed Horned Lizard • head Phrynosoma braconnieri Iguanians Side-blotched Lizard • head Uta stansburiana Iguanians Smallhead Worm Lizard • head Leposternon microcephalum Scleroglossans Smith's Tropical Night Lizard • head Lepidophyma smithii Scleroglossans Smooth Chameleon • head Chamaeleo laevigatus Iguanians Solomons Skink • head Sphenomorphus solomonis Scleroglossans Sonoran Night Lizard • head Xantusia sonora Scleroglossans Southern Alligator Lizard • head Elgaria multicarinata Scleroglossans Southern Long-tailed Lizard • head Latastia longicaudata Scleroglossans Spiny-tailed Gecko • head Diplodactylus ciliaris Scleroglossans Striped Keelback • head Amphiesma stolata Scleroglossans Sudan Plated Lizard • skull Gerrhosaurus major Scleroglossans Sunbeam Snake • head Xenopeltis unicolor Scleroglossans Tanganyika Wedge-snouted Worm Lizard • head Geocalamus acutus Scleroglossans Texas Alligator Lizard • head Gerrhonotus infernalis Scleroglossans Texas Blind Snake • head Leptotyphlops dulcis Scleroglossans Texas Horned Lizard • head Phrynosoma cornutum Iguanians Texas Horned Lizard • whole Phrynosoma cornutum Iguanians Thorny Devil • head Moloch horridus Iguanians Thorny Devil • whole Moloch horridus Iguanians Three-eyed Lizard • head Chalarodon madagascariensis Iguanians Tokay Gecko • head Gekko gecko Scleroglossans Tree Iguana • head Liolaemus bellii Iguanians Trinidad Blind Snake • head Typhlophis squamosus Scleroglossans Tuatara • head (adult) Sphenodon punctatus Rhynchocephalians Tuatara • head (juvenile) Sphenodon punctatus Rhynchocephalians Veiled Chameleon • head Chamaeleo calyptratus Iguanians Veiled Chameleon • upper body Chamaeleo calyptratus Iguanians Water Monitor • head Varanus salvator Scleroglossans Water Skink • head Amphiglossus splendidus Scleroglossans Western Banded Gecko • head Coleonyx variegatus Scleroglossans Western Fence Lizard • whole (hatchling) Sceloporus occidentalis Iguanians Western Whiptail • head Aspidoscelis tigris Scleroglossans Whiptail Lizard • head Teius teyou Scleroglossans White-nosed Blind Snake • head Liotyphlops albirostris Scleroglossans Woodmason's Earth Snake • head Uropeltis woodmasoni Scleroglossans Yellow-headed Gecko • head Gonatodes albogularis Scleroglossans Yellow-spotted Night Lizard • head Lepidophyma flavimaculatum Scleroglossans Zarudnyi's Worm Lizard • head Diplometopon zarudnyi Scleroglossans

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