#genus_Stenopterygius  a reptile genus of Ichthyosauridae
  supertype:  #reptile_genus__reptilegenu  a genus of reptiles
  member:  #stenopterygius
  member of:  #family_Ichthyosauridae__Ichthyosauridae  later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres
     member of:  #order_Ichthyosauria__Ichthyosauria  extinct marine reptiles: ichthyosaurs
        member of:  #subclass_Archosauria__Archosauria  a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
           member of:  #class_Reptilia__Reptilia  class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
              member of:  #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
                 member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
                    member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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