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Dinosaurs
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Horned Lizards
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Lizards, Snakes and Their Relatives
Common Name
Scientific Name
Group
Tuatara
• head (adult)
Sphenodon punctatus
Rhynchocephalians
Tuatara
• head (juvenile)
Sphenodon punctatus
Rhynchocephalians
Fossil Archosauromorph
• skull
Prolacerta broomi
†
Rhynchocephalians
Madtsoiid Snake
• braincase
Menarana nosymena
†
Scleroglossans
Common Kingsnake
• egg (skull)
Lampropeltis getula
Scleroglossans
Common Kingsnake
• egg (whole)
Lampropeltis getula
Scleroglossans
Common Night Adder
• head
Causus rhombeatus
Scleroglossans
Green Lizard
• head
Lacerta viridis
Scleroglossans
Tokay Gecko
• head
Gekko gecko
Scleroglossans
Western Banded Gecko
• head
Coleonyx variegatus
Scleroglossans
Hampton's Slug Snake
• head
Pareas hamptoni
Scleroglossans
Solomons Skink
• head
Sphenomorphus solomonis
Scleroglossans
Knob-scaled Lizard
• head
Xenosaurus grandis
Scleroglossans
Knob-tailed Gecko
• head
Nephrurus levis
Scleroglossans
Southern Alligator Lizard
• head
Elgaria multicarinata
Scleroglossans
Oaxacan Dwarf Boa
• head
Exiliboa placata
Scleroglossans
African House Snake
• head
Lamprophis fuliginosus
Scleroglossans
Spiny-tailed Gecko
• head
Diplodactylus ciliaris
Scleroglossans
Cuban Night Lizard
• head
Cricosaura typica
Scleroglossans
Indian Cobra
• head
Naja naja
Scleroglossans
Round Island Boa
• head
Casarea dussumieri
Scleroglossans
Haitian Boa
• head
Chilabothrus striatus
Scleroglossans
Magdalena Night Lizard
• head
Xantusia magdalena
Scleroglossans
Water Skink
• head
Amphiglossus splendidus
Scleroglossans
Egyptian Cobra
• head
Naja haje
Scleroglossans
Keel-headed Worm Lizard
• head
Anops kingii
Scleroglossans
Rusty-topped Delma
• head
Delma borea
Scleroglossans
Four-toed Worm Lizard
• head
Bipes canaliculatus
Scleroglossans
Dwarf Pipe Snake
• head
Anomochilus leonardi
Scleroglossans
Southern Long-tailed Lizard
• head
Latastia longicaudata
Scleroglossans
Galliwasp
• head
Celestus enneagrammus
Scleroglossans
Ringneck Snake
• head
Diadophis punctatus
Scleroglossans
Zarudnyi's Worm Lizard
• head
Diplometopon zarudnyi
Scleroglossans
Black-lined Plated Lizard
• head
Gerrhosaurus nigrolineatus
Scleroglossans
Bushmaster
• head
Lachesis muta
Scleroglossans
Texas Alligator Lizard
• head
Gerrhonotus infernalis
Scleroglossans
Striped Keelback
• head
Amphiesma stolata
Scleroglossans
Gaige's Tropical Night Lizard
• head
Lepidophyma gaigeae
Scleroglossans
Water Monitor
• head
Varanus salvator
Scleroglossans
Neon Blue Tailed Tree Lizard
• head
Holaspis guentheri
Scleroglossans
Burmese Python
• head
Python molurus
Scleroglossans
Dwarf Tegu
• head
Callopistes maculatus
Scleroglossans
Príncipe Burrowing Skink
• head
Feylinia polylepis
Scleroglossans
Haitian Dwarf Boa
• head
Tropidophis haetianus
Scleroglossans
Puff-faced Water Snake
• head
Homalopsis buccata
Scleroglossans
Granite Night Lizard
• head
Xantusia henshawi
Scleroglossans
Coral Snake
• head
Micrurus fulvius
Scleroglossans
Gargoyle Gecko
• head
Rhacodactylus auriculatus
Scleroglossans
Red Pipe Snake
• head
Anilius scytale
Scleroglossans
Schneider's Skink
• head
Eumeces (Novoeumeces) schneideri
Scleroglossans
Microteiid
• head
Pholidobolus montium
Scleroglossans
Malagasy Plated Lizard
• head
Tracheloptychus petersi
Scleroglossans
Beaded Lizard
• head
Heloderma horridum
Scleroglossans
Baja Worm Lizard
• head
Bipes biporus
Scleroglossans
Whiptail Lizard
• head
Teius teyou
Scleroglossans
Common Boa Constrictor
• head
Boa constrictor
Scleroglossans
New Guinea Blind 'Skink'
• head
Dibamus novaeguineae
Scleroglossans
Smith's Tropical Night Lizard
• head
Lepidophyma smithii
Scleroglossans
Sand Monitor
• head
Varanus gouldii
Scleroglossans
Checkered Keelback Snake
• head
Xenochrophis piscator
Scleroglossans
Island Night Lizard
• head
Xantusia riversiana
Scleroglossans
Central American Fer-de-lance
• head
Bothrops asper
Scleroglossans
Sonoran Night Lizard
• head
Xantusia sonora
Scleroglossans
Common Tegu
• head
Tupinambis teguixin
Scleroglossans
Trinidad Blind Snake
• head
Typhlophis squamosus
Scleroglossans
Smallhead Worm Lizard
• head
Leposternon microcephalum
Scleroglossans
Western Whiptail
• head
Aspidoscelis tigris
Scleroglossans
North African Sandfish
• head
Scincus scincus
Scleroglossans
Red-tailed Pipe Snake
• head
Cylindrophis ruffus
Scleroglossans
European Legless Lizard
• head
Ophisaurus apodus
Scleroglossans
Banded Sea Krait
• head
Laticauda colubrina
Scleroglossans
Savannah Monitor
• head
Varanus exanthematicus
Scleroglossans
Percival's Legless Skink
• head
Acontias percivali
Scleroglossans
Yellow-headed Gecko
• head
Gonatodes albogularis
Scleroglossans
Ocellated Skink
• head
Chalcides ocellatus
Scleroglossans
Leopard Gecko
• head
Eublepharis macularius
Scleroglossans
Mottled Amphisbaena
• head
Amphisbaena fuliginosa
Scleroglossans
Mexican Dibamid
• head
Anelytropsis papillosus
Scleroglossans
Tree Skink
• head
Egernia striolata
Scleroglossans
Mole Viper
• head
Atractaspis irregularis
Scleroglossans
California Legless Lizard
• head
Anniella pulchra
Scleroglossans
Gray's Earth Snake
• head
Rhinophis (Uropeltis) melanogaster
Scleroglossans
Checkered Garter Snake
• head
Thamnophis marcianus
Scleroglossans
Rainbow Skink
• head
Trachylepis quinquetaeniata
Scleroglossans
Desert Night Lizard
• head
Xantusia vigilis
Scleroglossans
Broad-banded Copperhead
• head
Agkistrodon contortrix
Scleroglossans
Microteiid
• head
Colobosaura modesta
Scleroglossans
Cape Wolf Snake
• head
Lycophidion capense
Scleroglossans
Bezy's Night Lizard
• head
Xantusia bezyi
Scleroglossans
Bluetongue Skink
• head
Tiliqua scincoides
Scleroglossans
White-nosed Blind Snake
• head
Liotyphlops albirostris
Scleroglossans
Tanganyika Wedge-snouted Worm Lizard
• head
Geocalamus acutus
Scleroglossans
Cat Gecko
• head
Aeluroscalabotes felinus
Scleroglossans
Flame Belly Armadillo Lizard
• head
Cordylus mossambicus
Scleroglossans
Checkerboard Worm Lizard
• head
Trogonophis wiegmanni
Scleroglossans
Racer
• head
Coluber constrictor
Scleroglossans
Pale-sided Skink
• head
Eugongylus rufescens
Scleroglossans
African Fat-tailed Gecko
• head
Hemitheconyx caudicinctus
Scleroglossans
Lyre Snake
• head
Trimorphodon biscutatus
Scleroglossans
Sunbeam Snake
• head
Xenopeltis unicolor
Scleroglossans
Grass Lizard
• head
Takydromus ocellatus
Scleroglossans
Lined Day Gecko
• head
Phelsuma lineata
Scleroglossans
Five-lined Skink
• head
Eumeces fasciatus
Scleroglossans
Jamaican Blind Snake
• head
Typhlops jamaicensis
Scleroglossans
Ridge-tail Monitor
• head
Varanus acanthurus
Scleroglossans
Giant Amphisbaena
• head
Amphisbaena alba
Scleroglossans
Woodmason's Earth Snake
• head
Uropeltis woodmasoni
Scleroglossans
Texas Blind Snake
• head
Leptotyphlops dulcis
Scleroglossans
Black-headed Python
• head
Aspidites melanocephalus
Scleroglossans
Rosy Boa
• head
Lichanura trivirgata
Scleroglossans
Banana Boa
• head
Ungaliophis continentalis
Scleroglossans
Grass Snake
• head
Natrix natrix
Scleroglossans
Komodo Dragon
• Head
Varanus komodoensis
Scleroglossans
Northern Leaf-tailed Gecko
• head
Phyllurus cornutus
Scleroglossans
Yellow-spotted Night Lizard
• head
Lepidophyma flavimaculatum
Scleroglossans
New World Sunbeam Snake
• head
Loxocemus bicolor
Scleroglossans
Ornate Girdled Lizard
• head
Zonosaurus ornatus
Scleroglossans
Ground Snake
• head
Sonora semiannulata
Scleroglossans
Short-legged Skink
• head
Brachymeles gracilis
Scleroglossans
Emperor Flat Lizard
• head
Platysaurus imperator
Scleroglossans
Round-snouted Worm Lizard
• head
Loveridgea ionidesii
Scleroglossans
Burton's Legless Lizard
• head
Lialis burtonis
Scleroglossans
Florida Worm Lizard
• head
Rhineura floridana
Scleroglossans
Calabar Ground 'Python'
• head
Calabaria reinhardtii
Scleroglossans
African Brown Water Snake
• head
Afronatrix anoscopus
Scleroglossans
East African Sand Boa
• head
Eryx colubrinus
Scleroglossans
Dwarf Plated Lizard
• head
Cordylosaurus subtessellatus
Scleroglossans
Brahminy Blind Snake
• head
Ramphotyphlops braminus
Scleroglossans
Eastern Hognose Snake
• head
Heterodon platirhinos
Scleroglossans
Common Kingsnake
• head (adult)
Lampropeltis getula
Scleroglossans
Chinese Crocodile Lizard
• head (adult)
Shinisaurus crocodilurus
Scleroglossans
Desert Plated Lizard
• head (adult)
Angolosaurus skoogi
Scleroglossans
Gila Monster
• head (adult)
Heloderma suspectum
Scleroglossans
Earless Monitor
• head (FMNH)
Lanthanotus borneensis
Scleroglossans
Chinese Crocodile Lizard
• head (juvenile)
Shinisaurus crocodilurus
Scleroglossans
Desert Plated Lizard
• head (juvenile)
Angolosaurus skoogi
Scleroglossans
Gila Monster
• head (juvenile)
Heloderma suspectum
Scleroglossans
Durango Night Lizard
• head (paratype)
Xantusia 'extorris'
Scleroglossans
Earless 'Monitor'
• head (YPM)
Lanthanotus borneensis
Scleroglossans
Fossil Teiid
• skull
Pyramicephalosaurus cherminicus
†
Scleroglossans
Fossil Gila Monster
• skull
Heloderma texana
†
Scleroglossans
Fossil Amphisbaenian
• skull
Dyticonastis rensbergeri
†
Scleroglossans
Fossil Helodermatid
• skull
Gobiderma pulchrum
†
Scleroglossans
Sudan Plated Lizard
• skull
Gerrhosaurus major
Scleroglossans
Fossil Amphisbaenian
• skull
Spathorhynchus fossorium
†
Scleroglossans
Fossil Scincomorph
• skull
Parmeosaurus scutatus
†
Scleroglossans
Cretaceous Gekkonomorph
• skull
Norellius nyctisaurops
†
Scleroglossans
Fossil Gekkotan
• skull
Gobekko cretacicus
†
Scleroglossans
Fossil Worm Lizard
• skull
Rhineura hatcherii
†
Scleroglossans
Fossil Gekkotan
• skull
Gobekko cretacicus
†
Scleroglossans
Mosasaur
• skull
Plotosaurus bennisoni
Scleroglossans
Fossil Anguid
• skull (13870)
Peltosaurus granulosus
†
Scleroglossans
Fossil Anguid
• skull (27072)
Peltosaurus granulosus
†
Scleroglossans
Fossil Anguid
• skull (8138)
Peltosaurus granulosus
†
Scleroglossans
Fossil Anguid
• skull (CM 1050)
Helodermoides tuberculatus
†
Scleroglossans
Fossil Anguid
• skull (CM 51344)
Helodermoides tuberculatus
†
Scleroglossans
'Necrosaur'
• skull (holotype)
Eosaniwa koehni
†
Scleroglossans
Fossil Snake with Legs
• skull (holotype)
Pachyrhachis problematicus
†
Scleroglossans
Fossil Anguid
• skull (USNM 13861)
Helodermoides tuberculatus
†
Scleroglossans
Fossil Snake
• vertebra
Indophis fanambinana
†
Scleroglossans
Brahminy Blind Snake
• whole
Ramphotyphlops braminus
Scleroglossans
Mosasauroid Lizard
• whole (holotype)
Kaganaias hakusanensis
†
Scleroglossans
Gila Monster
• whole (juvenile)
Heloderma suspectum
Scleroglossans
Mexican Horned Lizard
• embryo
Phrynosoma taurus
Iguanians
Brazilian Steppe Iguana
• head
Urostrophus vautieri
Iguanians
Desert Horned Lizard
• head
Phrynosoma platyrhinos
Iguanians
Madagascar Swift
• head
Oplurus cyclurus
Iguanians
Fiji Banded Iguana
• head
Brachylophus fasciatus
Iguanians
Side-blotched Lizard
• head
Uta stansburiana
Iguanians
Short-tailed Horned Lizard
• head
Phrynosoma braconnieri
Iguanians
Curly-tailed Lizard
• head
Leiocephalus barahonensis
Iguanians
Tree Iguana
• head
Liolaemus bellii
Iguanians
Jesus Christ Lizard
• head
Basiliscus basiliscus
Iguanians
Smooth Chameleon
• head
Chamaeleo laevigatus
Iguanians
Long-nosed Leopard Lizard
• head
Gambelia wislizenii
Iguanians
Ringed Spinytail Iguana
• head
Morunasaurus annularis
Iguanians
Chihuahua Desert Horned Lizard
• head
Phrynosoma orbiculare
Iguanians
Three-eyed Lizard
• head
Chalarodon madagascariensis
Iguanians
Green Anole
• head
Anolis carolinensis
Iguanians
Banded Rock Lizard
• head
Petrosaurus mearnsi
Iguanians
Regal Horned Lizard
• head
Phrynosoma solare
Iguanians
Mojave Fringe-toed Lizard
• head
Uma scoparia
Iguanians
Pygmy Short-horned Lizard
• head
Phrynosoma douglassii
Iguanians
Brygoo's Chameleon
• head
Brookesia brygooi
Iguanians
Desert Iguana
• head
Dipsosaurus dorsalis
Iguanians
Collared Lizard
• head
Crotaphytus collaris
Iguanians
Round-tailed Horned Lizard
• head
Phrynosoma modestum
Iguanians
Matuasto
• head
Leiosaurus catamarcensis
Iguanians
Red-headed Agama
• head
Agama agama
Iguanians
Mexican Horned Lizard
• head
Phrynosoma taurus
Iguanians
Dwarf Chilean Chuckwalla
• head
Phymaturus palluma
Iguanians
Coast Horned Lizard
• head
Phrynosoma coronatum
Iguanians
Collared Tree Lizard
• head
Plica plica
Iguanians
Brown Tree Climber Lizard
• head
Uranoscodon superciliosus
Iguanians
Amazon Wood Lizard
• head
Enyalioides laticeps
Iguanians
Thorny Devil
• head
Moloch horridus
Iguanians
Leaf Lizard
• head
Stenocercus guentheri
Iguanians
Short-horned Lizard
• head
Phrynosoma hernandesi
Iguanians
Butterfly Lizard
• head
Leiolepis belliana
Iguanians
Veiled Chameleon
• head
Chamaeleo calyptratus
Iguanians
Bush Anole
• head
Pristidactylus torquatus
Iguanians
Malayan Butterfly Lizard
• head
Leiolepis triploida
Iguanians
Long-spined Horned Lizard
• head
Phrynosoma asio
Iguanians
Rose-bellied Lizard
• head
Sceloporus variabilis
Iguanians
Flat-tailed Horned Lizard
• head
Phrynosoma mcallii
Iguanians
Chinese Water Dragon
• head
Physignathus cocincinus
Iguanians
Forest Crested Lizard
• head
Calotes emma
Iguanians
Bush Anole
• head
Polychrus marmoratus
Iguanians
Rock Horned Lizard
• head
Phrynosoma ditmarsi
Iguanians
Bearded Dragon
• head
Pogona vitticeps
Iguanians
Egyptian Spiny-tailed Lizard
• head
Uromastyx aegyptius
Iguanians
Texas Horned Lizard
• head
Phrynosoma cornutum
Iguanians
Helmeted Basilisk
• head
Corytophanes cristatus
Iguanians
Five-banded Gliding Lizard
• head
Draco quinquefasciatus
Iguanians
Common Chuckwalla
• Skull
Sauromalus ater
Iguanians
Fossil Iguanid
• skull
Polrussia mongoliensis
†
Iguanians
Indian Spiny-tailed Lizard
• skull
Uromastyx hardwickii
Iguanians
Fossil Iguanid
• skull
Zapsosaurus sceliphros
Iguanians
Mexican Spinytail Iguana
• skull
Ctenosaura pectinata
Iguanians
Fossil Iguanian
• skull
Arretosaurus ornatus
†
Iguanians
Fossil Corytophanid
• skull
Aciprion formosum
†
Iguanians
Fossil Iguanid
• skull
Temujinia ellisoni
†
Iguanians
Fossil Iguanid
• skull
Ctenomastax parva
†
Iguanians
Fossil Iguanian
• skull
Isodontosaurus gracilis
†
Iguanians
Anolis Lizard in Amber
• skull in amber
Anolis sp.
Iguanians
Veiled Chameleon
• upper body
Chamaeleo calyptratus
Iguanians
Texas Horned Lizard
• whole
Phrynosoma cornutum
Iguanians
Flat-tailed Horned Lizard
• whole
Phrynosoma mcallii
Iguanians
Mexican Horned Lizard
• whole
Phrynosoma taurus
Iguanians
Thorny Devil
• whole
Moloch horridus
Iguanians
Western Fence Lizard
• whole (hatchling)
Sceloporus occidentalis
Iguanians
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