#subclass_Lepidosauria__Lepidosauria diapsid reptiles: lizards; snakes; tuataras
supertype: #class__clas (biology) a taxonomic group containing one or more orders
member of: #class_Reptilia
member: #order_Rhynchocephalia__Rhynchocephalia tuataras; extinct forms from middle Triassic
member: #genus_Sphenodon__Sphenodon coextensive with the order Rhynchocephalia: tuataras
member: #tuatara__Sphenodon_punctatum only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
member: #order_Squamata__Squamata diapsid reptiles: snakes and lizards
member: #suborder_Sauria__Sauria__Lacertilia__suborder_Lacertilia true lizards; including chameleons and geckos
member: #saurian any of various reptiles of the suborder Sauria which includes lizards; in former classifications included also the crocodiles and dinosaurs
member: #family_Gekkonidae__Gekkonidae geckos
member: #genus_Ptychozoon__Ptychozoon flying geckos
member: #flying_gecko__fringed_gecko__fringedgecko__Ptychozoon_homalocephalum having membranous expansions along sides of body and limbs and tail
member: #genus_Coleonyx__Coleonyx banded geckos
member: #banded_gecko any of several geckos with dard bands across the body and differing from typical geckos in having movable eyelids; of United States southwest and gulf coast to Florida
member: #family_Pygopodidae__Pygopodidae Australian and Tasmanian lizards
member: #genus_Pygopus__Pygopus type genus of the Pygopodidae; snake-shaped pleurodont lizard with no forelimbs and only rudimentary hind limbs
member: #family_Iguanidae__Iguanidae__Iguania__family_Iguania New World lizards
member: #iguanid_lizard__iguanidlizard__iguanid lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males
member: #genus_Iguana type genus of the Iguanidae
member: #common_iguana__iguana__Iguana_iguana large herbivorous tropical American arboreal lizards with a spiny crest along the back; used as human food in Central and South America
member: #genus_Amblyrhynchus__Amblyrhynchus marine iguanas
member: #marine_iguana__Amblyrhynchus_cristatus shore-dwelling seaweed-eating lizard of the Galapagos Islands
member: #genus_Dipsosaurus__Dipsosaurus desert iguanas
member: #desert_iguana__Dipsosaurus_dorsalis small long-tailed lizard of arid areas of southwestern United States and northwestern Mexico
member: #genus_Sauromalus__Sauromalus chuckwallas
member: #genus_Callisaurus__Callisaurus zebra-tailed lizard
member: #zebra-tailed_lizard__gridiron-tailed_lizard__Callisaurus_draconoides swift lizard with long black-banded tail and long legs; of deserts of United States and Mexico
member: #genus_Uma__Uma fringe-toed lizard
member: #fringe-toed_lizard__Uma_notata with long pointed scales around toes; of deserts of United States and Mexico
member: #genus_Holbrookia__Holbrookia earless lizards
member: #earless_lizard__earlesslizard any of several slender lizards without external ear openings: of plains of western United States and Mexico
member: #genus_Crotaphytus__Crotaphytus collard lizards
member: #collared_lizard any of several robust long-tailed lizards with collars of two dark bands; of central and western United States and northern Mexico
member: #genus_Gambelia__Gambelia leopard lizards
member: #leopard_lizard__leopardlizard any of several large lizards with many dark spots; of western United States and northern Mexico
member: #genus_Sceloporus__Sceloporus spiny lizards
member: #spiny_lizard__spinylizard any of numerous lizards with overlapping ridged pointed scales; of North and Central America
member: #genus_Uta__Uta a reptile genus of Iguanidae
member: #side-blotched_lizard__sand_lizard__Uta_stansburiana one of the most abundant lizards in the arid western United States
member: #genus_Urosaurus__Urosaurus a reptile genus of Iguanidae
member: #tree_lizard__Urosaurus_ornatus a climbing lizard of western United States and northern Mexico
member: #genus_Phrynosoma__Phrynosoma horned lizards
member: #horned_lizard__horned_toad__horny_frog__hornyfrog insectivorous lizard with hornlike spines on the head and spiny scales on the body; of western North America
member: #genus_Basiliscus__Basiliscus a reptile genus of Iguanidae
member: #basilisk small crested arboreal lizard able to run on its hind legs; of tropical America
member: #genus_Anolis__Anolis New World chameleons
member: #American_chameleon__anole__Anolis_carolinensis small arboreal tropical American insectivorous lizards with the ability to change skin color
member: #family_Amphisbaenidae__Amphisbaenidae worm lizards
member: #family_Xantusiidae__Xantusiidae night lizards
member: #night_lizard__nightlizard small secretive nocturnal lizard of southwestern North America and Cuba; bear live young
member: #family_Scincidae__Scincidae skinks
member: #genus_Scincus__Scincus type genus of Scincidae
member: #genus_Scincella__Scincella a reptile genus of Scincidae
member: #skink__scincid__scincidlizard alert agile lizard with reduced limbs and an elongated body covered with shiny scales; more dependent on moisture than most lizards; found in tropical regions worldwide
member: #genus_Eumeces__Eumeces New World skinks
member: #western_skink__westernskink__Eumeces_skiltonianus found in western North American grasslands and open woodlands
member: #mountain_skink__Eumeces_callicephalus frequents oak and pine habitats in rocky mountainous areas of United States southwest and Mexico
member: #family_Cordylidae__Cordylidae small family of spiny ovoviviparous African lizards
member: #genus_Cordylus__Cordylus type genus of the Cordylidae; spiny lizards somewhat resembling tiny crocodiles
member: #family_Teiidae__Teiidae whiptails; etc.
member: #teiid_lizard__teiidlizard__teiid tropical New World lizard with a long tail and large rectangular scales on the belly and a long tail
member: #genus_Cnemidophorus__Cnemidophorus whiptails
member: #whiptail_lizard__whiptail any of numerous very agile and alert New World lizards
member: #genus_Tupinambis__Tupinambis tejus
member: #teju large (to 3 feet) blackish yellow-banded South American lizard; raid henhouses; used as food
member: #family_Agamidae__Agamidae an Old World reptile family of Sauria
member: #agamid_lizard__agamid a lizard of the family Agamidae
member: #genus_Agama type genus of the Agamidae
member: #agama small terrestrial lizard of warm regions of the Old World
member: #genus_Chlamydosaurus__Chlamydosaurus frilled lizards
member: #frilled_lizard__frilledlizard__Chlamydosaurus_kingi large arboreal insectivorous Australian lizard with a ruff of skin around the neck
member: #genus_Draco__Draco flying dagons
member: #flying_dragon__dragon__flying_lizard any of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the body
member: #genus_Moloch genus of Australian desert lizard
member: #moloch any lizard of the genus Moloch
member: #mountain_devil__spiny_lizard__spinylizard__molochhorridu desert lizard that feeds on ants
member: #family_Anguidae__Anguidae alligator lizards
member: #anguid_lizard any of a small family of lizards widely distributed in warm areas; all are harmless and useful as destroyers of e.g. slugs and insects
member: #genus_Gerrhonotus__Gerrhonotus alligator lizards
member: #alligator_lizard__alligatorlizard slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America
member: #genus_Anguis__Anguis type genus of the Anguidae: blindworms
member: #blindworm__slowworm__Anguis_fragilis small burrowing legless European lizard with tiny eyes; popularly believed to be blind
member: #genus_Ophisaurus__Ophisaurus glass lizards
member: #glass_lizard__glasslizard__glass_snake__glasssnake__joint_snake__jointsnake snakelike lizard of Europe Asia and North America with vestigial hind limbs and the ability to regenerate its long fragile tail
member: #family_Xenosauridae__Xenosauridae monotypic family of Mexican lizards
member: #genus_Xenosaurus__Xenosaurus type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles
member: #family_Anniellidae__Anniellidae legless lizards
member: #legless_lizard__leglesslizard degenerate wormlike burrowing lizard of California closely related to alligator lizards
member: #family_Lanthanotidae__Lanthanotidae stout-bodied lizards
member: #genus_Lanthanotus__Lanthanotus 1 species
member: #Lanthanotus_borneensis a stout-bodied pleurodont lizard of Borneo
member: #family_Helodermatidae__Helodermatidae only known venomous lizards
member: #venomous_lizard any of two or three large heavy-bodied lizards; only known venomous lizards
member: #genus_Heloderma__Heloderma type genus of the Helodermatidae; American venomous lizards
member: #Gila_monster__Heloderma_suspectum large orange and black lizard of southwestern United States; not dangerous unless molested
member: #Mexican_beaded_lizard__beaded_lizard__Heloderma_horridum lizard with black and yellowish beadlike scales; of western Mexico
member: #family_Lacertidae__Lacertidae Old World lizards
member: #lacertid_lizard__lacertid Old World terrestrial lizard
member: #genus_Lacerta__Lacerta type genus of the Lacertidae
member: #sand_lizard__Lacerta_agilis a common and widely distributed lizard of Europe and central Asia
member: #green_lizard__greenlizard__lacertaviridi a common Eurasian lizard about a foot long
member: #family_Chamaeleontidae__Chamaeleontidae__Chamaeleonidae__family_Chamaeleonidae__Rhiptoglossa__family_Rhiptoglossa Old World chameleons; in some classifications Rhiptoglossa is considered a superfamily of Sauria
member: #chameleon__chamaeleon lizard of Africa and Madagascar able to change skin color and having a projectile tongue
member: #genus_Chamaeleo__Chamaeleo__genus_Chamaeleon type genus of the Chamaeleontidae
member: #African_chameleon__Chamaeleo_chamaeleon a chameleon found in Africa
member: #horned_chameleon__Chamaeleo_oweni a kind of chameleon
member: #family_Varanidae__Varanidae monitor lizards
member: #genus_Varanus__Varanus type and sole extant genus of the Varanidae
member: #monitor_lizard__monitorlizard__monitor__varan any of various large tropical carnivorous lizards of Africa Asia and Australia; fabled to warn of crocodiles
member: #suborder_Serpentes__Serpentes__Ophidia__suborder_Ophidia snakes
member: #ophidian__snake__serpent limbless scaly elongate reptile; some are venomous
member: #family_Colubridae__Colubridae nonvenomous snakes; about two-thirds of all living species
member: #colubrid_snake__colubrid mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
member: #genus_Carphophis__Carphophis thunder snake
member: #thunder_snake__thundersnake__worm_snake__Carphophis_amoenus small reddish wormlike snake of eastern United States
member: #genus_Diadophis__Diadophis a genus of reptiles of the family Colubridae including ringneck snakes
member: #ringneck_snake__ring-necked_snake__ring_snake any of numerous small nonvenomous North American snakes with a yellow or orange ring around the neck
member: #genus_Heterodon__Heterodon a genus of small colubrid snakes containing the North American hognose snakes
member: #hognose_snake__hognosesnake__puff_adder__sand_viper harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed
member: #genus_Phyllorhynchus__Phyllorhynchus leaf-nosed snakes
member: #leaf-nosed_snake any of various pale blotched snakes with a blunt snout of southwestern North America
member: #genus_Opheodrys__Opheodrys North American green snakes
member: #grass_snake__grasssnake__green_snake__greensnake either of two N. American chiefly insectivorous green snakes
member: #genus_Chlorophis__Chlorophis African green snakes
member: #green_snake__greensnake any of numerous African green snakes
member: #genus_Coluber__Coluber racers
member: #racer slender fast-moving North American snakes
member: #horseshoe_whipsnake__Coluber_hippocrepis slender fast-moving Eurasian snake
member: #genus_Masticophis__Masticophis whipsnakes
member: #whipsnake__whip_snake any of several fast-moving North American snakes with long whiplike tails
member: #genus_Elaphe__Elaphe North American rat snakes
member: #corn_snake__red_rat_snake__redratsnake__Elaphe_guttata large harmless snake of southeastern United States; often on farms
member: #black_rat_snake__blackratsnake__blacksnake__pilot_blacksnake__pilotblacksnake__mountain_blacksnake__Elaphe_obsoleta large harmless shiny black North American snake
member: #chicken_snake__chickensnake large North American snake
member: #genus_Ptyas__Ptyas Asian rat snakes
member: #Indian_rat_snake__Ptyas_mucosus enter buildings in pursuit of prey
member: #genus_Arizona__Arizona glossy snake
member: #glossy_snake__Arizona_elegans nocturnal burrowing snake of western United States with shiny tan scales
member: #genus_Pituophis__Pituophis bull snakes
member: #bull_snake any of several large harmless rodent-eating North American burrowing snakes
member: #genus_Lampropeltis__Lampropeltis king snakes and milk snakes
member: #king_snake any of numerous nonvenomous North American constrictors; feed on other snakes and small mammals
member: #genus_Thamnophis__Thamnophis garter snakes
member: #garter_snake__grass_snake__grasssnake any of numerous nonvenomous longitudinally-striped viviparous North and Central American snakes
member: #genus_Tropidoclonion__Tropidoclonion lined snakes
member: #lined_snake__Tropidoclonion_lineatum secretive snake of city dumps and parks as well as prairies and open woods; feeds on earthworms; of central United States
member: #genus_Sonora__Sonora ground snakes
member: #ground_snake__Sonora_semiannulata small shy brightly-ringed terrestrial snake of arid or semiarid areas of western North America
member: #genus_Potamophis__Potamophis ground snakes
member: #eastern_ground_snake__Potamophis_striatula__Haldea_striatula in some classifications placed in genus Haldea; small reddish-gray snake of eastern North America
member: #genus_Haldea__Haldea ground snakes
member: #genus_Natrix__Natrix water snakes; a cosmopolitan genus
member: #common_water_snake__banded_water_snake__Natrix_sipedon__Nerodia_sipedon in some classifications placed in the genus Nerodia; western United States snake that seldom ventures far from water
member: #water_moccasin__watermoccasin any of numerous North American water snakes inhabiting fresh waters
member: #genus_Nerodia__Nerodia North American water snakes
member: #genus_Storeria__Storeria a genus of Colubridae
member: #red-bellied_snake__redbelliedsnake__Storeria_occipitamaculata harmless woodland snake of southeastern United States
member: #genus_Chilomeniscus__Chilomeniscus sand snakes
member: #sand_snake small North American burrowing snake
member: #genus_Tantilla__Tantilla black-headed snakes
member: #black-headed_snake small secretive ground-dwelling snake; found from central United States to Argentina
member: #genus_Oxybelis__Oxybelis vine snakes
member: #vine_snake slender arboreal snake found from southern Arizona to Bolivia
member: #genus_Trimorphodon__Trimorphodon lyre snakes
member: #lyre_snake mildly venomous snake with a lyre-shaped mark on the head; found in rocky areas from southwestern United States to Central America
member: #genus_Hypsiglena__Hypsiglena night snakes
member: #night_snake__Hypsiglena_torquata nocturnal prowler of western United States and Mexico
member: #genus_Drymarchon__Drymarchon a genus of Colubridae
member: #family_Typhlopidae__Typhlopidae blind snakes
member: #family_Leptotyphlopidae__Leptotyphlopidae blind snakes
member: #blind_snake__blindsnake__worm_snake wormlike burrowing snake of warm regions having vestigial eyes
member: #genus_Leptotyphlops__Leptotyphlops blind snakes of Asia and Africa and Americas
member: #western_blind_snake__westernblindsnake__Leptotyphlops_humilis burrows among roots of shrubs and beneath rocks in desert and rocky hillside areas and beach sand of western United States
member: #family_Boidae__Boidae boas and pythons
member: #boa any of several chiefly tropical constrictors with vestigial hind limbs
member: #genus_Charina__Charina boas of western North America
member: #rubber_boa__tow-headed_snake__Charina_bottae boa of grasslands and woodlands of western North America; looks and feels like rubber with tail and head of similar shape
member: #genus_Lichanura__Lichanura boas of western North America
member: #rosy_boa__Lichanura_trivirgata boa of rocky desert of southwestern United States
member: #genus_Eunectes__Eunectes anacondas
member: #anaconda__Eunectes_murinus large arboreal boa of tropical South America
member: #subfamily_Pythoninae__Pythoninae Old World boas: pythons; in some classifications considered a separate family from Boidae
member: #python large Old World boas
member: #genus_Python Old World boas
member: #reticulated_python__reticulatedpython__Python_reticulatus of southeast Asia and East Indies; the largest snake in the world
member: #Indian_python__Python_molurus very large python of southeast Asia
member: #rock_python__rock_snake__Python_sebae very large python of tropical and southern Africa
member: #family_Elapidae__Elapidae cobras; kraits; mambas; coral snakes; Australian taipan and tiger snakes
member: #elapid_snake__elapid any of numerous venomous fanged snakes of warmer parts of both hemispheres
member: #genus_Micrurus__Micrurus coral snakes
member: #eastern_coral_snake__easterncoralsnake__Micrurus_fulvius ranges from Central America to southeastern United States
member: #genus_Micruroides__Micruroides coral snakes
member: #western_coral_snake__westerncoralsnake__Micruroides_euryxanthus ranges from Central America to southwestern United States
member: #genus_Calliophis__Calliophis__Callophis__genus_Callophis Asian coral snakes
member: #Asian_coral_snake of India
member: #genus_Aspidelaps__Aspidelaps African coral snakes
member: #African_coral_snake__Aspidelaps_lubricus small widely distributed arboreal snake of southern Africa banded in black and orange
member: #genus_Rhynchoelaps__Rhynchoelaps Australian coral snakes
member: #Australian_coral_snake__Rhynchoelaps_australis small venomous but harmless snake marked with black-and-white on red
member: #genus_Denisonia__Denisonia copperheads
member: #Denisonia_superba__copperhead venomous but sluggish reddish-brown snake of Australia
member: #genus_Naja__Naja cobras
member: #Indian_cobra__Naja_naja of tropical Africa and Asia
member: #asp__Egyptian_cobra__Naja_haje cobra used by the Pharaohs as a symbol of their power over life and death
member: #black-necked_cobra__spitting_cobra__Naja_nigricollis aggressive cobra widely distributed in Africa; rarely bites but spits venom that may cause blindness
member: #genus_Ophiophagus__Ophiophagus king cobra
member: #king_cobra__hamadryad__Ophiophagus_hannan__Naja_hannah large cobra of southeastern Asia and the East Indies; the largest venomous snake; sometimes placed in genus Naja
member: #genus_Hemachatus__Hemachatus ringhals
member: #genus_Dendroaspis__Dendroaspis__Dendraspis__genus_Dendraspis mambas
member: #mamba arboreal snake of central and southern Africa whose bite is often fatal
member: #genus_Acanthophis__Acanthophis Australian elapid snakes
member: #death_adder__Acanthophis_antarcticus venomous Australian snake resembling an adder
member: #genus_Notechis__Notechis tiger snakes
member: #tiger_snake__Notechis_scutatus highly venomous brown-and-yellow snake of Australia and Tasmania
member: #genus_Pseudechis__Pseudechis venomous Australian blacksnakes
member: #Australian_blacksnake__Pseudechis_porphyriacus large semiaquatic snake of Australia; black above with red belly
member: #genus_Bungarus__Bungarus kraits
member: #krait brightly colored venomous but nonaggressive snake of southeastern Asia and Malay peninsula
member: #genus_Oxyuranus__Oxyuranus taipans
member: #taipan__Oxyuranus_scutellatus large highly venomous snake of northeastern Australia
member: #family_Hydrophidae__Hydrophidae sea snakes
member: #sea_snake__seasnake any of numerous venomous aquatic viviparous snakes having a fin-like tail; of warm littoral seas; feed on fish which they immobilize with quick-acting venom
member: #family_Viperidae__Viperidae Old World vipers
member: #viper venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
member: #genus_Vipera__Vipera type genus of the Viperidae
member: #common_viper__adder__Vipera_berus small terrestrial viper common in northern Eurasia
member: #asp_viper__aspviper__asp__Vipera_aspis of southern Europe; similar to but smaller than the adder
member: #genus_Bitis__Bitis a genus of Viperidae
member: #puff_adder__Bitis_arietans large African viper that inflates its body when alarmed
member: #gaboon_viper__Bitis_gabonica large heavy-bodied brilliantly marked and extremely venomous west African viper
member: #genus_Cerastes__Aspis__genus_Aspis horned vipers
member: #horned_viper__cerastes__sand_viper__horned_asp__Cerastes_cornutus highly venomous viper of North Africa and southwest Asia having a horny spine above each eye
member: #family_Crotalidae__Crotalidae New World vipers: pit vipers
member: #pit_viper__pitviper New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
member: #genus_Agkistrodon__Agkistrodon__Ancistrodon__genus_Ancistrodon copperheads
member: #copperhead__Agkistrodon_contortrix common coppery brown pit viper of upland eastern United States
member: #cottonmouth__water_moccasin__watermoccasin__cottonmouth_moccasin__cottonmouthmoccasin__agkistrodonpiscivoru venomous semiaquatic snake of swamps in southern United States
member: #rattlesnake pit viper with horny segments at the end of the tail that rattle when shaken
member: #genus_Crotalus__Crotalus large rattlesnakes; seldom bite unless startled or pursuing prey
member: #timber_rattlesnake__banded_rattlesnake__Crotalus_horridus_horridus widely distributed in rugged ground of eastern United States
member: #prairie_rattlesnake__prairie_rattler__Western_rattlesnake__Crotalus_viridis widely distributed between the Mississippi and the Rockies
member: #horned_rattlesnake__sidewinder__Crotalus_cerastes small pale-colored desert rattlesnake of southwestern United States; body moves in an S-shaped curve
member: #Western_diamondback_rattlesnake__Western_diamondback__Crotalus_atrox largest and most dangerous North American snake; of southwestern United States and Mexico
member: #rock_rattlesnake__Crotalus_lepidus mountain rock dweller of Mexico and most southern parts of United States southwest
member: #tiger_rattlesnake__tigerrattlesnake__Crotalus_tigris having irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico
member: #Mojave_rattlesnake__Crotalus_scutulatus extremely dangerous; most common in areas of scattered scrubby growth; from Mojave Desert to w. Texas and into Mexico
member: #speckled_rattlesnake__Crotalus_mitchellii markings vary but usually harmonize with background; of sw Arizona and Baja California
member: #genus_Sistrurus__Sistrurus pygmy rattlesnakes
member: #massasauga_rattler__massasauga__Sistrurus_catenatus pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
member: #genus_Bothrops__Bothrops fer-de-lance
member: #fer-de-lance__Bothrops_atrops large extremely venomous pit viper of Central and South America
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