#subclass_Anapsida__Anapsida  oldest known reptiles: turtles; extinct Permian forms
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member of:  class_Reptilia
  member:  anapsid_reptile__anapsid  primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
  member:  order_Chelonia__Chelonia__Testudinata__order_Testudinata__Testudines__order_Testudines  tortoises and turtles
     member:  chelonian_reptile__chelonianreptile__chelonian  a reptile of the order Chelonia
     member:  family_Cheloniidae__Cheloniidae__Chelonidae__family_Chelonidae  green turtles; hawksbills
        member:  genus_Chelonia__Chelonia  green turtles
           member:  green_turtle__greenturtle__Chelonia_mydas  large tropical turtle with greenish flesh used for turtle soup
        member:  genus_Caretta__Caretta  loggerhead turtles
           member:  loggerhead_turtle__loggerhead__Caretta_caretta  very large carnivorous sea turtle; wide ranging in warm open seas
        member:  genus_Lepidochelys__Lepidochelys  ridleys
           member:  ridley  a marine turtle
        member:  genus_Eretmochelys__Eretmochelys  hawksbills
           member:  hawksbill_turtle__hawksbillturtle__hawksbill__hawkbill__tortoiseshell_turtle__tortoiseshellturtle__Eretmochelys_imbricata  pugnacious tropical sea turtle with a hawk-like beak; source of food and the best tortoiseshell
     member:  family_Dermochelyidae__Dermochelyidae  sea turtles
        member:  genus_Dermochelys__Dermochelys  type genus of the Dermochelyidae: leatherback turtles
           member:  leatherback_turtle__leatherbackturtle__leatherback__leatheryturtle__Dermochelys_coriacea  wide ranging marine turtle with flexible leathery carapace; largest living turtle
     member:  family_Chelydridae__Chelydridae  snapping turtles
        member:  snapping_turtle  large aggressive freshwater turtle with powerful jaws
        member:  genus_Chelydra__Chelydra  snapping turtles
           member:  common_snapping_turtle__snapper__chelydraserpentina  large-headed turtle with powerful hooked jaws found in or near water; prone to bite
        member:  genus_Macroclemys__Macroclemys  alligator snapping turtles
           member:  alligator_snapping_turtle__alligator_snapper__alligatorsnapper__Macroclemys_temmincki  large species having three ridges on its back; found in southeastern United States
     member:  family_Kinosternidae__Kinosternidae  mud turtles; musk turtles
        member:  genus_Kinosternon__Kinosternon  type genus of the Kinosternidae
           member:  mud_turtle__mudturtle  bottom-dwelling freshwater turtle inhabiting muddy rivers of North and Central America
        member:  genus_Sternotherus__Sternotherus  musk turtles
           member:  musk_turtle__stinkpot  small freshwater turtle having a strong musky odor
     member:  family_Emydidae__Emydidae  box and water turtles
        member:  terrapin  any of various edible North American web-footed turtles living in fresh or brackish water
        member:  genus_Malaclemys__Malaclemys  American terrapins
           member:  diamondback_terrapin__diamondbackterrapin__Malaclemys_centrata  of marshes along Atlantic and Gulf coasts of United States
        member:  genus_Pseudemys__Pseudemys  sliders; red-bellied terrapin
           member:  red-bellied_terrapin__redbelliedterrapin__red-bellied_turtle__redbelliedturtle__redbelly__Pseudemys_rubriventris  freshwater turtle of Chesapeake bay tributaries having red markings on the lower shell
           member:  yellow-bellied_terrapin__slider__Pseudemys_scripta  freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
           member:  river_cooter__rivercooter__cooter__Pseudemys_concinna  large river turtle of the southern United States and northern Mexico
        member:  genus_Terrapene__Terrapene  box turtles
           member:  box_turtle__boxturtle__box_tortoise__boxtortoise  chiefly terrestrial turtle of North America; shell can be closed tightly
        member:  genus_Chrysemys__Chrysemys  painted turtles
           member:  painted_turtle__paintedturtle__painted_terrapin__paintedterrapin__painted_tortoise__paintedtortoise__chrysemyspicta  freshwater turtles having bright yellow and red markings; common in the eastern United States
     member:  family_Testudinidae__Testudinidae  land tortoises
        member:  tortoise  usually herbivorous land turtles having clawed elephant-like limbs; worldwide in arid area except Australia and Antarctica
        member:  genus_Testudo__Testudo  type genus of the Testudinidae
           member:  European_tortoise__Testudo_graeca  small land tortoise of southern Europe
           member:  giant_tortoise__gianttortoise  very large tortoises of the Galapagos and Seychelles islands
        member:  genus_Geochelone__Geochelone  giant tortoises
           member:  giant_tortoise__gianttortoise  very large tortoises of the Galapagos and Seychelles islands
        member:  genus_Gopherus__Gopherus  gopher tortoises
           member:  gopher_tortoise__gopher_turtle__gopher__Gopherus_polypemus  burrowing edible land tortoise of southeastern North America
           member:  desert_tortoise__Gopherus_agassizii  burrowing tortoise of the arid western United States and northern Mexico; may be reclassified as a member of genus Xerobates
           member:  Texas_tortoise  close relative to the desert tortoise; may be reclassified as a member of genus Xerobates
        member:  genus_Xerobates__Xerobates  possible new genus for desert and Texas tortoises based on recent research
     member:  family_Trionychidae__Trionychidae  soft-shelled turtles
        member:  soft-shelled_turtle__pancake_turtle__pancaketurtle  voracious aquatic turtle with a flat flexible shell covered by a leathery skin; can inflict painful bites
        member:  genus_Trionyx__Trionyx  type genus of the Trionychidae
           member:  spiny_softshell__spinysoftshell__Trionyx_spiniferus  river turtle of western United States with a warty shell; prefers quiet water
           member:  smooth_softshell__Trionyx_muticus  river turtle of Mississippi basin; prefers running water

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