Fiji banded iguana (Brachylophus fasciatus)
Left to right, Neotropical green anole (Anolis biporcatus) and Western bearded anole (Anolis barbatus)
Left to right, male and female Serrated casquehead lizards (Laemanctus serratus)
Left to right, Merrem's madagascar swift (Oplurus cyclurus) and Cuvier's madagascar swift (Oplurus cuvieri)
Morphead iguana (Uranoscodon superciliosus)
Desert iguana (Dipsosaurus dorsalis)
Giant horned lizard (Phrynosoma asio)
Coast horned lizard (Phrynosoma coronatum)
Left to right, female and male Broad-headed woodlizards (Enyaloides laticeps)
Tennent's leaf-nosed lizard (Ceratophora tennenti)
Left to right, male and female South Sulawesi Sailfin lizards (Hydrosaurus microlophus)
Red-lipped alligator lizard (Abronia lythrochila)
Red-lipped alligator lizard (Abronia lythrochila)
Red-lipped alligator lizard (Abronia lythrochila)
Mixteca alligator lizard (Abronia mixteca)
Sierra Madre de Oaxaca alligator lizard (Abronia graminea)
Campbell's alligator lizard (Abronia campbelli)
Banded alligator lizard (Abronia taeniata)
Imbricate alligator lizard (Barisia imbricata)
San Diego alligator lizard (Elgaria multicarinata webbii)
Wiegmann's alligator lizard (Gerrhonotus liocephalus)
European Sheltopusik (Pseudopus adopus thracicus)
Gila monster (Heloderma suspectum)
Black tree monitor (Varanus beccarii)
Northern blunt-spined monitor (Varanus primordius)
Borneo earless monitor (Lanthanotus borneensis)
Crocodile lizard (Shinisaurus crocodilurus)
Chinese Crocodile lizards (Shinisaurus crocodilurus crocodilurus)
A young Crocodile lizard (Shinisaurus crocodilurus)
Spotted lightbuld lizard (Petracola ventrimaculatus)
Black and white tegu (Salvator merianae)
Solomon Islands emerald skink (Lamprolepis smaragdina perviridis)
Nominate Shingleback skinks (Tiliqua rugosa rugosa)
Red-eyed crocodile skink (Tribolonotus gracilis)
Left to right, Reticulated diving skink (Amphiglossus reticulatus) and Astrolabe diving skink (Amphiglossus astrolabi)
Smith's night lizard (Lepidophyma smithii)
Kuhl's flying gecko (Gekko kuhli)
Midline knob-tailed gecko (Nephrurus vertebralis)
Beaded gecko (Lucasium damaeum)
Western marbled velvet gecko (Oedura fimbria)
Broad-tailed gecko (Phyllurus platurus)
Rough-throated leaf-tailed gecko (Saltuarius salebrosus)
Rough-throated leaf-tailed gecko (Saltuarius salebrosus)
Waitaha gecko, large form (Woodworthia cf. brunnea)
Waitaha gecko, small form (Woodworthia cf. brunnea)
New Caledonian Mossy giant gecko (Mniarogekko chahoua)
Thick-tailed gecko (Underwoodisaurus milii)
Nominate Northern spiny-tailed gecko (Strophurus ciliaris ciliaris)
Prickly gecko (Heteronotia binoei)
Nominate Common giant ground gecko (Chondrodactylus angulifer angulifer)
Cape Cross thick-toed gecko (Pachydactylus kochii)
Namib web-footed gecko (Pachydactylus rangei)
Anderson's short-fingered gecko (Stenodactylus petrii)
Hajar Mountains ground gecko (Trachydactylus hajarensis)
Pegu bent-toed gecko (Cyrtodactylus peguensis)
Masobe ground gecko (Paroedura masobe)
Vazimba ground gecko (Paroedura vazimba)
Nosy Be ground gecko (Paroedura oviceps)
Spearpoint leaf-tail gecko (Uroplatus ebenaui)
Lined flat-tail gecko (Uroplatus lineatus)
Satanic leaf-tail gecko (Uroplatus phantasticus)
Margarita island gecko (Gonatodes machelae)
Yellow-headed gecko (Gonatodes albogularis fuscus)
Ruibal's striped gecko (Sphaerodactylus ruibali)
Agkistrodon taylori
Agkistrodon contortrix
Metlapicoatlus mexicanus
Crotalus pyrrhus
Left to right : Crotalus lepidus, Crotalus morulus of the Peña locality
Crotalus helleri
Crotalus vergrandis
Bothriechis schlegelii
Atheris squamigera
Trimeresurus albolabris
Bitis cornuta
Left to right : Bitis arietans from Kopstadt, South Africa ; Bitis arietans from Guelmim, Morocco
Montivipera bornmuelleri
Vipera aspis aspis, Lac de Bienne locality
Vipera berus berus, from Sweden
Vipera ursinii moldavica
Two Vipera aspis hugyi
Vipera monticola monticola, from Oukaimeden, Morocco
Cerastes cerastes, from Tunisia
Cerastes vipera, southern Morocco
Cerastes cerastes, from Fask, Morocco
Acanthophis "woolfi"
Naja haje "legionis"
Aspidelaps lubricus lubricus
Drymarchon melanurus melanurus, adult on the left, juvenile on the right
Eirenis punctatolineatus
Hemorrhois ravergieri
Hierophis viridiflavus, juvenile on the left, adult on the right
Chrysopelea ornata
Dipsas variegata
Natrix maura
Acrantophis dumerili
Deirochelys reticularia chrysea
Left to right : Chelus fimbriata and Chelus orinocensis
Trachemys callirostris callirostris
Pangshura tecta
Malaclemys terrapin
Graptemys flavimaculata
Mesoclemmys raniceps
Mesoclemmys giba
Chelodina mccordi
Elseya noveaguinea
Melanochelys tricarinata
Carettochelys insculpta
Emys orbicularis orbicularis
Terrapene triunguis
Mauremys leprosa saharica
Siebenrockiella crassicolis
Platysternon megacephalum megacephalum
Left to right : Testudo hermanni hercegovinensis and Tetsudo hermanni hermanni from Mallorca