Dinosaurs
Dinosaurs' fossilized bone skeletons in natural history museums: tyranosaurus rex, diplodicus, carnotaurus, archosaur, allosaurus, stegosaurus, ankylosaur, dorudon, comptosaurus, mamenchisaurus, dimetrodon, eryops, pteranodon, protostega, hydrosaur, duckbilled
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Dinosaurs, prehistoric animals: Allosaurus fragilis, from Colorado, is a large meat eating dinosaur of the Late Jurassic period, about 150 million years ago. National Museum of Natural History, Washington, DC, November 2006.
Dinosaurprehistoricanimalallosaurusfragilismeatmeat eaterColoradoLate JurassicJurassicNational Museum of Natural HistoryWashingtonDCNovember 2006.138069355
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