#suborder_Sauropodomorpha__Sauropodomorpha  gigantic herbivorous dinosaurs having huge bodies with long necks and small heads: Prosauropoda and Sauropoda (apatosaurus; diplodocus; titanosaurs)
  supertype:  animal_order  the order of animals
  member of:  order_Saurischia
  member:  suborder_Prosauropoda__Prosauropoda  the earliest known dinosaurs
  member:  suborder_Sauropoda__Sauropoda  any of the sauropod dinosaurs
     member:  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
     member:  genus_Apatosaurus__genus_Brontosaurus  large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic
        member:  apatosaur__apatosaurus__brontosaur__brontosaurus__thunder_lizard__thunderlizard__Apatosaurus_excelsus  huge quadrupedal herbivorous dinosaur common in N. America in the late Jurassic
     member:  genus_Barosaurus  huge quadrupedal herbivorous dinosaur; late Jurassic
        member:  barosaur__barosaurus  5-story-tall dinosaur
     member:  genus_Diplodocus  a reptile genus of the suborder Sauropoda
        member:  diplodocus  huge quadrupedal herbivore with long neck and tail; of late Jurassic in western N. America
     member:  family_Titanosauridae__Titanosauridae  herbivorous dinosaurs of the Cretaceous
        member:  genus_Titanosaurus__Titanosaurus  genus of herbivorous dinosaurs flourishing during the Cretaceous in South America
           member:  titanosaur__titanosaurian  amphibious quadrupedal herbivorous dinosaur with a long thin neck and whiplike tail; of the Cretaceous mostly in the southern hemisphere
           member:  genus_Argentinosaurus  enormous dinosaur of the middle Cretaceous found in Argentina
              member:  argentinosaur  huge herbivorous dinosaur of Cretaceous found in Argentina
        member:  genus_Seismosaurus__Seismosaurus  genus of large herbivorous dinosaurs of Cretaceous found in western North America
           member:  ground-shaker__seismosaur  huge herbivorous dinosaur of the Cretaceous found in western North America
  member:  suborder_Theropoda__Theropoda  carnivorous saurischian dinosaurs with short forelimbs; Jurassic and Cretaceous
     member:  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
     member:  suborder_Ceratosaura  primitive saurischian dinosaurs
        member:  genus_Ceratosaurus  primitive saurischian carnivorous dinosaurs
           member:  coelophysis__coelophysi  one of the oldest known dinosaurs; late Triassic; cannibalistic
        member:  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
        member:  genus_Coelophysis  late Triassic carnivorous saurischian dinosaurs
     member:  suborder_Carnosaura__Carnosaura  largest carnivorous land animals ever known
        member:  carnosaur  large carnivorous bipedal dinosaur having huge claws
        member:  genus_Tyrannosaurus  includes a single species
           member:  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
        member:  genus_Allosaurus__genus_Antrodemus  carnivorous dinosaur of North America; late Jurassic
           member:  allosaur__allosaurus  late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
     member:  genus_Compsognathus  a reptile genus of Theropoda
        member:  compsognathus__compsognathu  very small bipedal carnivorous dinosaur of the late Jurassic in Bavaria
     member:  genus_Herrerasaurus  primitive theropod found in Argentina; early Triassic
        member:  herrerasaur__herrerasaurus__herrerasauru  a kind of theropod dinosaur found in Argentina
     member:  genus_Eoraptor  primitive theropod found in Argentina; early Triassic
        member:  eoraptor  a theropod dinosaur of the genus Eoraptor
     member:  family_Megalosauridae__Megalosauridae  megalosaurs
        member:  genus_Megalosaurus  type genus of the Megalosauridae
           member:  megalosaur__megalosaurus  gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe
     member:  suborder_Ornithomimida__Ornithomimida  lightly built medium-size theropods
        member:  ornithomimid  lightly built medium-sized dinosaur having extremely long limbs and necks with small heads and big brains and large eyes
        member:  genus_Struthiomimus  small toothless saurischian dinosaurs; upper Cretaceous of Canada
           member:  struthiomimus__struthiomimu  small light-boned toothless dinosaur resembling an ostrich in size and proportions
        member:  genus_Deinocheirus  a reptile genus of Ornithomimida
           member:  deinocheirus  lightly built medium-sized theropod with long limbs and neck
     member:  suborder_Maniraptora__Maniraptora  advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds
        member:  maniraptor  advanced carnivorous theropod
        member:  oviraptorid  advanced carnivorous theropod
        member:  genus_Velociraptor  advanced carnivorous theropod
           member:  velociraptor  small active carnivore that probably fed on protoceratops; possibly related more closely to birds than to other dinosaurs
        member:  family_Dromaeosauridae__Dromaeosauridae  swift-running bipedal dinosaurs
           member:  dromaeosaur  a kind of maniraptor
           member:  genus_Deinonychus  advanced bipedal carnivorous dinosaur
              member:  deinonychus__deinonychu  swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous
           member:  genus_Utahraptor  advanced bipedal carnivorous dinosaur
              member:  utahraptor__superslasher  large (20-ft) and swift carnivorous dinosaur having an upright 15-in slashing claw on each hind foot; early Cretaceous
        member:  genus_Mononychus  authorities disagree over whether to classify the genus as bird or dinosaur
           member:  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

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