#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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