#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
supertype: #archosaur__archosaurian__archosaurian_reptile extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
member of: #genus_Plesiosaurus a reptile genus of suborder Plesiosauria
member of: #suborder_Plesiosauria__Plesiosauria any of the plesiosaurs
member of: #order_Sauropterygia__Sauropterygia extinct marine reptiles: plesiosaurs; nothosaurs
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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