#diapsid_reptile__diapsid reptile having a pair of openings in the skull behind each eye
exclusion: #anapsid_reptile
supertype: #reptile__reptilian any cold-blooded vertebrate of the class Reptilia including tortoises turtles snakes lizards alligators crocodiles and extinct forms
subtype: #tuatara__Sphenodon_punctatum only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
subtype: #saurian any of various reptiles of the suborder Sauria which includes lizards; in former classifications included also the crocodiles and dinosaurs
subtype: #lizard relatively long-bodied reptile with usually two pairs of legs and a tapering tail
subtype: #gecko any of various small chiefly tropical and usually nocturnal insectivorous terrestrial lizards typically with immovable eyelids; completely harmless
subtype: #flying_gecko__fringed_gecko__fringedgecko__Ptychozoon_homalocephalum having membranous expansions along sides of body and limbs and tail
subtype: #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
subtype: #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
subtype: #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
subtype: #marine_iguana__Amblyrhynchus_cristatus shore-dwelling seaweed-eating lizard of the Galapagos Islands
subtype: #desert_iguana__Dipsosaurus_dorsalis small long-tailed lizard of arid areas of southwestern United States and northwestern Mexico
subtype: #chuckwalla__Sauromalus_obesus rock-dwelling herbivorous lizard of arid parts of southwestern United States and Mexico
subtype: #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
subtype: #fringe-toed_lizard__Uma_notata with long pointed scales around toes; of deserts of United States and Mexico
subtype: #earless_lizard__earlesslizard any of several slender lizards without external ear openings: of plains of western United States and Mexico
subtype: #collared_lizard any of several robust long-tailed lizards with collars of two dark bands; of central and western United States and northern Mexico
subtype: #leopard_lizard__leopardlizard any of several large lizards with many dark spots; of western United States and northern Mexico
subtype: #spiny_lizard__spinylizard any of numerous lizards with overlapping ridged pointed scales; of North and Central America
subtype: #fence_lizard__fencelizard spiny lizard often seen basking on fences in the United States and northern Mexico
subtype: #western_fence_lizard__westernfencelizard__swift__blue-belly__Sceloporus_occidentalis common western lizard; seen on logs or rocks
subtype: #eastern_fence_lizard__easternfencelizard__pine_lizard__Sceloporus_undulatus small active lizard of United States and north to British Columbia
subtype: #sagebrush_lizard__sagebrushlizard__Sceloporus_graciosus a ground dweller that prefers open ground and scattered low bushes; of United States west between Rocky and Sierra Nevada Mountains
subtype: #side-blotched_lizard__sand_lizard__Uta_stansburiana one of the most abundant lizards in the arid western United States
subtype: #tree_lizard__Urosaurus_ornatus a climbing lizard of western United States and northern Mexico
subtype: #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
subtype: #Texas_horned_lizard__Phrynosoma_cornutum of arid and semiarid open country
subtype: #basilisk small crested arboreal lizard able to run on its hind legs; of tropical America
subtype: #American_chameleon__anole__Anolis_carolinensis small arboreal tropical American insectivorous lizards with the ability to change skin color
subtype: #worm_lizard a lizard of the genus Amphisbaena; harmless wormlike limbless lizard of warm or tropical regions having concealed eyes and ears and a short blunt tail
subtype: #night_lizard__nightlizard small secretive nocturnal lizard of southwestern North America and Cuba; bear live young
subtype: #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
subtype: #western_skink__westernskink__Eumeces_skiltonianus found in western North American grasslands and open woodlands
subtype: #mountain_skink__Eumeces_callicephalus frequents oak and pine habitats in rocky mountainous areas of United States southwest and Mexico
subtype: #teiid_lizard__teiidlizard__teiid tropical New World lizard with a long tail and large rectangular scales on the belly and a long tail
subtype: #whiptail_lizard__whiptail any of numerous very agile and alert New World lizards
subtype: #six-lined_racerunner__sixlinedracerunner__racerunner__race_runner__Cnemidophorus_sexlineatus very swift lizard of eastern and central United States
subtype: #plateau_striped_whiptail__plateaustripedwhiptail__Cnemidophorus_velox having distinct longitudinal stripes: of Colorado Plateau from Arizona to western Colorado
subtype: #Chihuahuan_spotted_whiptail__Cnemidophorus_exsanguis having longitudinal stripes overlaid with light spots; upland lizard of United States southwest and Mexico
subtype: #western_whiptail__westernwhiptail__Cnemidophorus_tigris active lizard having a network of dusky dark markings; of semiarid areas from Oregon and Idaho to Baja California
subtype: #checkered_whiptail__checkeredwhiptail__Cnemidophorus_tesselatus markings are darker and more marked than in western whiptail; from southeastern Colorado to eastern Chihuahua
subtype: #teju large (to 3 feet) blackish yellow-banded South American lizard; raid henhouses; used as food
subtype: #caiman_lizard crocodile-like lizard of South America having powerful jaws for crushing snails and mussels
subtype: #agamid_lizard__agamid a lizard of the family Agamidae
subtype: #agama small terrestrial lizard of warm regions of the Old World
subtype: #frilled_lizard__frilledlizard__Chlamydosaurus_kingi large arboreal insectivorous Australian lizard with a ruff of skin around the neck
subtype: #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
subtype: #moloch any lizard of the genus Moloch
subtype: #mountain_devil__spiny_lizard__spinylizard__molochhorridu desert lizard that feeds on ants
subtype: #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
subtype: #alligator_lizard__alligatorlizard slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America
subtype: #blindworm__slowworm__Anguis_fragilis small burrowing legless European lizard with tiny eyes; popularly believed to be blind
subtype: #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
subtype: #legless_lizard__leglesslizard degenerate wormlike burrowing lizard of California closely related to alligator lizards
subtype: #Lanthanotus_borneensis a stout-bodied pleurodont lizard of Borneo
subtype: #venomous_lizard any of two or three large heavy-bodied lizards; only known venomous lizards
subtype: #Gila_monster__Heloderma_suspectum large orange and black lizard of southwestern United States; not dangerous unless molested
subtype: #Mexican_beaded_lizard__beaded_lizard__Heloderma_horridum lizard with black and yellowish beadlike scales; of western Mexico
subtype: #lacertid_lizard__lacertid Old World terrestrial lizard
subtype: #sand_lizard__Lacerta_agilis a common and widely distributed lizard of Europe and central Asia
subtype: #green_lizard__greenlizard__lacertaviridi a common Eurasian lizard about a foot long
subtype: #chameleon__chamaeleon lizard of Africa and Madagascar able to change skin color and having a projectile tongue
subtype: #African_chameleon__Chamaeleo_chamaeleon a chameleon found in Africa
subtype: #horned_chameleon__Chamaeleo_oweni a kind of chameleon
subtype: #monitor_lizard__monitorlizard__monitor__varan any of various large tropical carnivorous lizards of Africa Asia and Australia; fabled to warn of crocodiles
subtype: #African_monitor__Varanus_niloticus destroys crocodile eggs
subtype: #Komodo_dragon__Komodo_lizard__dragon_lizard__giant_lizard__giantlizard__Varanus_komodoensis the largest lizard in the world (10 feet); found on Indonesian islands
subtype: #archosaur__archosaurian__archosaurian_reptile extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
subtype: #dinosaur any of numerous extinct terrestrial reptiles of the Mesozoic era
subtype: #ornithischian_dinosaur__ornithischiandinosaur__ornithischian herbivorous dinosaur with a pelvis like that of a bird
subtype: #pisanosaur__pisanosaurus primitive dinosaur found in Argentina
subtype: #staurikosaur__staurikosaurus primitive dinosaur found in Brazil
subtype: #armored_dinosaur__armoreddinosaur dinosaurs having bony armour
subtype: #stegosaur__stegosaurus__stegosauru__Stegosaur_stenops herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon
subtype: #ankylosaur__ankylosaurus having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's
subtype: #Edmontonia heavily armored and highly spiked dinosaur with semi-upright posture
subtype: #bone-headed_dinosaur bipedal herbivorous dinosaurs with bony crowns
subtype: #pachycephalosaur__pachycephalosaurus bipedal herbivore having 10 inches of bone atop its head; largest bone-headed dinosaur ever found
subtype: #ceratopsian__horned_dinosaur any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia
subtype: #protoceratops__protoceratop small horned dinosaur
subtype: #triceratops__triceratop huge ceratopsian dinosaur having three horns and the neck heavily armored with a very solid frill
subtype: #styracosaur__styracosaurus__styracosauru an unusual ceratopsian dinosaur having many large spikes around the edge of its bony frill and a long nose horn; late Cretaceous
subtype: #psittacosaur__psittacosaurus primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind and short front limbs; may have been bipedal
subtype: #ornithopod_dinosaur__ornithopod bipedal herbivorous dinosaur
subtype: #hadrosaur__hadrosaurus__hadrosauru__duck-billed_dinosaur any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
subtype: #anatotitan one of the largest and most famous duck-billed dinosaurs
subtype: #corythosaur__corythosaurus__corythosauru duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet
subtype: #edmontosaurus__edmontosauru duck-billed dinosaur from Canada found as a fossilized mummy with skin
subtype: #trachodon__trachodont large duck-billed dinosaur of the Upper Cretaceous
subtype: #iguanodon massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and North Africa; early Cretaceous
subtype: #saurischian_dinosaur__saurischiandinosaur__saurischian herbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile
subtype: #sauropod_dinosaur__sauropod very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head a long neck and tail and five-toed limbs; largest known land animal
subtype: #apatosaur__apatosaurus__brontosaur__brontosaurus__thunder_lizard__thunderlizard__Apatosaurus_excelsus huge quadrupedal herbivorous dinosaur common in N. America in the late Jurassic
subtype: #barosaur__barosaurus 5-story-tall dinosaur
subtype: #theropod_dinosaur__theropod__bird-footed_dinosaur any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs
subtype: #ceratosaur__ceratosaurus primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America
subtype: #coelophysis__coelophysi one of the oldest known dinosaurs; late Triassic; cannibalistic
subtype: #carnosaur large carnivorous bipedal dinosaur having huge claws
subtype: #tyrannosaur__tyrannosauru__Tyrannosaurus_rex large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; Upper Cretaceous; North America
subtype: #allosaur__allosaurus late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
subtype: #compsognathus__compsognathu very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria
subtype: #herrerasaur__herrerasaurus__herrerasauru a kind of theropod dinosaur found in Argentina
subtype: #eoraptor a theropod dinosaur of the genus Eoraptor
subtype: #megalosaur__megalosaurus gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe
subtype: #ornithomimid lightly built medium-sized dinosaur having extremely long limbs and necks with small heads and big brains and large eyes
subtype: #struthiomimus__struthiomimu small light-boned toothless dinosaur resembling an ostrich in size and proportions
subtype: #deinocheirus lightly built medium-sized theropod with long limbs and neck
subtype: #maniraptor advanced carnivorous theropod
subtype: #oviraptorid advanced carnivorous theropod
subtype: #velociraptor small active carnivore that probably fed on protoceratops; possibly related more closely to birds than to other dinosaurs
subtype: #dromaeosaur a kind of maniraptor
subtype: #deinonychus__deinonychu swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous
subtype: #utahraptor__superslasher large (20-ft) and swift carnivorous dinosaur having an upright 15-in slashing claw on each hind foot; early Cretaceous
subtype: #Mononychus_olecranus 75-million-year-old turkey-sized long-legged fossil found in the Gobi Desert of Mongolia having birdlike fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's; short 3-inch-long forelimbs end in a single claw instead of wings; classification as bird or dinosaur is in dispute
subtype: #diplodocus huge quadrupedal herbivore with long neck and tail; of late Jurassic in western N. America
subtype: #titanosaur__titanosaurian amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere
subtype: #genus_Argentinosaurus enormous dinosaur of the middle Cretaceous found in Argentina
subtype: #argentinosaur huge herbivorous dinosaur of Cretaceous found in Argentina
subtype: #ground-shaker__seismosaur huge herbivorous dinosaur of the Cretaceous found in western North America
subtype: #pterosaur__flying_reptile extinct flying reptile of the Jurassic and Cretaceous having a birdlike beak and membranous wings supported by the very long fourth digit of each forelimb
subtype: #pterodactyl extinct flying reptile
subtype: #thecodont_reptile__thecodontreptile__thecodont presumably in the common ancestral line to dinosaurs and crocodiles and birds
subtype: #ichthyosaur any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
subtype: #ichthyosaurus__ichthyosauru ichthyosaurs of the Jurassic
subtype: #stenopterygius__Stenopterygius_quadrisicissus an ichthyosaur of the genus Stenopterygius
subtype: #plesiosaur__plesiosaurus extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
subtype: #nothosaur extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming
subtype: #crocodilian_reptile__crocodilianreptile__crocodilian extant archosaurian reptile
subtype: #crocodile large voracious aquatic reptile having a long snout with massive jaws and a body covered with bony plates; of sluggish tropical waters
subtype: #African_crocodile__Nile_crocodile__Crocodylus_niloticus a dangerous crocodile widely distributed in Africa
subtype: #Asian_crocodile__Crocodylus_porosus estuarine crocodile of eastern Asia and Pacific islands
subtype: #Morlett's_crocodile__morlett'scrocodile a variety of crocodile
subtype: #false_gavial__falsegavial__tomistomaschlegeli crocodile of southeast Asia similar to but smaller than the gavial
subtype: #alligator either of two amphibious reptiles with shorter broader snouts than crocodiles
subtype: #American_alligator__Alligator_mississipiensis large alligator of southeastern United States
subtype: #Chinese_alligator__Alligator_sinensis small of the Yangtze valley of China having unwebbed digits
subtype: #cayman__caiman alligator-like reptile of Central and South America having a more heavily armored belly
subtype: #spectacled_caiman__Caiman_sclerops caiman with bony ridges about the eyes; found from southern Mexico to Argentina
subtype: #gavial__Gavialis_gangeticus large fish-eating Indian crocodilian with a long slender snout
subtype: #ophidian__snake__serpent limbless scaly elongate reptile; some are venomous
subtype: #colubrid_snake__colubrid mostly harmless temperate-to-tropical terrestrial or arboreal or aquatic snakes
subtype: #hoop_snake any of various harmless North American snakes that were formerly believed to take tail in mouth and roll along like a hoop
subtype: #thunder_snake__thundersnake__worm_snake__Carphophis_amoenus small reddish wormlike snake of eastern United States
subtype: #ringneck_snake__ring-necked_snake__ring_snake any of numerous small nonvenomous North American snakes with a yellow or orange ring around the neck
subtype: #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
subtype: #leaf-nosed_snake any of various pale blotched snakes with a blunt snout of southwestern North America
subtype: #grass_snake__grasssnake__green_snake__greensnake either of two N. American chiefly insectivorous green snakes
subtype: #smooth_green_snake__Opheodrys_vernalis of western and central United States
subtype: #rough_green_snake__roughgreensnake__Opheodrys_aestivus of southern and eastern United States
subtype: #green_snake__greensnake any of numerous African green snakes
subtype: #racer slender fast-moving North American snakes
subtype: #blacksnake__black_racer__Coluber_constrictor blackish racer of the eastern United States that grows to six feet
subtype: #blue_racer__Coluber_constrictor_flaviventris bluish-green blacksnake found from Ohio to Texas
subtype: #horseshoe_whipsnake__Coluber_hippocrepis slender fast-moving Eurasian snake
subtype: #whipsnake__whip_snake any of several fast-moving North American snakes with long whiplike tails
subtype: #coachwhip_snake__coachwhipsnake__coachwhip__Masticophis_flagellum a whipsnake of southern United States and Mexico; tail resembles a braided whip
subtype: #California_whipsnake__striped_racer__stripedracer__Masticophis_lateralis a whipsnake of scrublands and rocky hillsides
subtype: #Sonoran_whipsnake__Masticophis_bilineatus both terrestrial and arboreal snake of United States southwest
subtype: #rat_snake__ratsnake any of various nonvenomous rodent-eating snakes of North America and Asia
subtype: #corn_snake__red_rat_snake__redratsnake__Elaphe_guttata large harmless snake of southeastern United States; often on farms
subtype: #black_rat_snake__blackratsnake__blacksnake__pilot_blacksnake__pilotblacksnake__mountain_blacksnake__Elaphe_obsoleta large harmless shiny black North American snake
subtype: #chicken_snake__chickensnake large North American snake
subtype: #Indian_rat_snake__Ptyas_mucosus enter buildings in pursuit of prey
subtype: #glossy_snake__Arizona_elegans nocturnal burrowing snake of western United States with shiny tan scales
subtype: #bull_snake any of several large harmless rodent-eating North American burrowing snakes
subtype: #gopher_snake__Pituophis_melanoleucus bull snake of western North America that invades rodent burrows
subtype: #pine_snake any of several bull snakes of eastern and southeastern United States found chiefly in pine woods; now threatened
subtype: #king_snake any of numerous nonvenomous North American constrictors; feed on other snakes and small mammals
subtype: #common_kingsnake__Lampropeltis_getulus widespread in United States except northern regions; black or brown with yellow bands
subtype: #milk_snake__house_snake__housesnake__milk_adder__checkered_adder__checkeredadder__Lampropeltis_triangulum nonvenomous tan and brown king snake with an arrow-shaped occipital spot; southeastern ones have red stripes like coral snakes
subtype: #garter_snake__grass_snake__grasssnake any of numerous nonvenomous longitudinally-striped viviparous North and Central American snakes
subtype: #common_garter_snake__Thamnophis_sirtalis widespread in North America
subtype: #ribbon_snake__Thamnophis_sauritus slender yellow-striped North American garter snake; prefers wet places
subtype: #Western_ribbon_snake__Thamnophis_proximus yellow- or reddish-striped snake of temperate woodlands and grasslands to tropics
subtype: #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
subtype: #ground_snake__Sonora_semiannulata small shy brightly-ringed terrestrial snake of arid or semiarid areas of western North America
subtype: #eastern_ground_snake__Potamophis_striatula__Haldea_striatula in some classifications placed in genus Haldea; small reddish-gray snake of eastern North America
subtype: #water_snake__watersnake any of various mostly harmless snakes that live in or near water
subtype: #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
subtype: #water_moccasin__watermoccasin any of numerous North American water snakes inhabiting fresh waters
subtype: #ring_snake__grass_snake__grasssnake__ringed_snake__Natrix_natrix harmless European snake with a bright yellow collar; common in England
subtype: #viperine_grass_snake__Natrix_maura a small harmless grass snake
subtype: #red-bellied_snake__redbelliedsnake__Storeria_occipitamaculata harmless woodland snake of southeastern United States
subtype: #sand_snake small North American burrowing snake
subtype: #banded_sand_snake__Chilomeniscus_cinctus a sand snake of southwestern United States; lives in fine to coarse sand or loamy soil in which it `swims'; banding resembles that of coral snakes
subtype: #black-headed_snake small secretive ground-dwelling snake; found from central United States to Argentina
subtype: #vine_snake slender arboreal snake found from southern Arizona to Bolivia
subtype: #lyre_snake mildly venomous snake with a lyre-shaped mark on the head; found in rocky areas from southwestern United States to Central America
subtype: #Sonoran_lyre_snake__Trimorphodon_lambda of desert regions of southwestern North America
subtype: #night_snake__Hypsiglena_torquata nocturnal prowler of western United States and Mexico
subtype: #indigo_snake__gopher_snake__Drymarchon_corais large dark-blue nonvenomous snake that invades burrows; found in southern North America and Mexico
subtype: #eastern_indigo_snake__Drymarchon_corais_couperi a variety of indigo snake
subtype: #blind_snake__blindsnake__worm_snake wormlike burrowing snake of warm regions having vestigial eyes
subtype: #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
subtype: #constrictor any of various large nonvenomous snakes that kill their prey by crushing it in its coils
subtype: #boa any of several chiefly tropical constrictors with vestigial hind limbs
subtype: #boa_constrictor__boaconstrictor__Constrictor_constrictor very large boa of tropical America and West Indies
subtype: #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
subtype: #rosy_boa__Lichanura_trivirgata boa of rocky desert of southwestern United States
subtype: #anaconda__Eunectes_murinus large arboreal boa of tropical South America
subtype: #python large Old World boas
subtype: #carpet_snake__Python_variegatus__Morelia_spilotes_variegatus Australian python with a variegated pattern on its back
subtype: #reticulated_python__reticulatedpython__Python_reticulatus of southeast Asia and East Indies; the largest snake in the world
subtype: #Indian_python__Python_molurus very large python of southeast Asia
subtype: #rock_python__rock_snake__Python_sebae very large python of tropical and southern Africa
subtype: #amethystine_python__amethystinepython with an amethyst color
subtype: #elapid_snake__elapid any of numerous venomous fanged snakes of warmer parts of both hemispheres
subtype: #New_World_coral_snake__coral_snake__coralsnake__harlequin-snake__harlequinsnake any of several venomous New World snakes brilliantly banded in red and black and either yellow or white; widely distributed in South and Central America
subtype: #eastern_coral_snake__easterncoralsnake__Micrurus_fulvius ranges from Central America to southeastern United States
subtype: #western_coral_snake__westerncoralsnake__Micruroides_euryxanthus ranges from Central America to southwestern United States
subtype: #Old_World_coral_snake__coral_snake__coralsnake any of various venomous elapid snakes of Asia and Africa and Australia
subtype: #Asian_coral_snake of India
subtype: #African_coral_snake__Aspidelaps_lubricus small widely distributed arboreal snake of southern Africa banded in black and orange
subtype: #Australian_coral_snake__Rhynchoelaps_australis small venomous but harmless snake marked with black-and-white on red
subtype: #Denisonia_superba__copperhead venomous but sluggish reddish-brown snake of Australia
subtype: #cobra venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood
subtype: #Indian_cobra__Naja_naja of tropical Africa and Asia
subtype: #asp__Egyptian_cobra__Naja_haje cobra used by the Pharaohs as a symbol of their power over life and death
subtype: #black-necked_cobra__spitting_cobra__Naja_nigricollis aggressive cobra widely distributed in Africa; rarely bites but spits venom that may cause blindness
subtype: #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
subtype: #ringhals__rinkhals__spitting_snake__Hemachatus_haemachatus highly venomous snake of southern Africa able to spit venom up to seven feet
subtype: #mamba arboreal snake of central and southern Africa whose bite is often fatal
subtype: #black_mamba__blackmamba__Dendroaspis_augusticeps southern African mamba dreaded because of its quickness and readiness to bite
subtype: #green_mamba__greenmamba green phase of the black mamba
subtype: #death_adder__Acanthophis_antarcticus venomous Australian snake resembling an adder
subtype: #tiger_snake__Notechis_scutatus highly venomous brown-and-yellow snake of Australia and Tasmania
subtype: #Australian_blacksnake__Pseudechis_porphyriacus large semiaquatic snake of Australia; black above with red belly
subtype: #krait brightly colored venomous but nonaggressive snake of southeastern Asia and Malay peninsula
subtype: #banded_krait__banded_adder__Bungarus_fasciatus sluggish krait banded with black and yellow
subtype: #taipan__Oxyuranus_scutellatus large highly venomous snake of northeastern Australia
subtype: #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
subtype: #viper venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
subtype: #common_viper__adder__Vipera_berus small terrestrial viper common in northern Eurasia
subtype: #asp_viper__aspviper__asp__Vipera_aspis of southern Europe; similar to but smaller than the adder
subtype: #puff_adder__Bitis_arietans large African viper that inflates its body when alarmed
subtype: #gaboon_viper__Bitis_gabonica large heavy-bodied brilliantly marked and extremely venomous west African viper
subtype: #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
subtype: #pit_viper__pitviper New World vipers with hollow fangs and a heat-sensitive pit on each side of the head
subtype: #copperhead__Agkistrodon_contortrix common coppery brown pit viper of upland eastern United States
subtype: #cottonmouth__water_moccasin__watermoccasin__cottonmouth_moccasin__cottonmouthmoccasin__agkistrodonpiscivoru venomous semiaquatic snake of swamps in southern United States
subtype: #rattlesnake pit viper with horny segments at the end of the tail that rattle when shaken
subtype: #diamondback_rattlesnake__diamondbackrattlesnake__diamondback__crotalusadamanteu large deadly rattlesnake with diamond-shaped markings
subtype: #timber_rattlesnake__banded_rattlesnake__Crotalus_horridus_horridus widely distributed in rugged ground of eastern United States
subtype: #canebrake_rattlesnake__canebrakerattlesnake__canebrake_rattler__canebrakerattler__Crotalus_horridus_atricaudatus southern variety
subtype: #prairie_rattlesnake__prairie_rattler__Western_rattlesnake__Crotalus_viridis widely distributed between the Mississippi and the Rockies
subtype: #horned_rattlesnake__sidewinder__Crotalus_cerastes small pale-colored desert rattlesnake of southwestern United States; body moves in an S-shaped curve
subtype: #Western_diamondback_rattlesnake__Western_diamondback__Crotalus_atrox largest and most dangerous North American snake; of southwestern United States and Mexico
subtype: #rock_rattlesnake__Crotalus_lepidus mountain rock dweller of Mexico and most southern parts of United States southwest
subtype: #tiger_rattlesnake__tigerrattlesnake__Crotalus_tigris having irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico
subtype: #Mojave_rattlesnake__Crotalus_scutulatus extremely dangerous; most common in areas of scattered scrubby growth; from Mojave Desert to w. Texas and into Mexico
subtype: #speckled_rattlesnake__Crotalus_mitchellii markings vary but usually harmonize with background; of sw Arizona and Baja California
subtype: #massasauga_rattler__massasauga__Sistrurus_catenatus pygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians
subtype: #ground_rattler__massasauga__Sistrurus_miliaris small pygmy rattlesnake
subtype: #fer-de-lance__Bothrops_atrops large extremely venomous pit viper of Central and South America
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