article: Allosaurus
links: Robert T. Bakker Extinct Apatosaurus Ray Harryhausen BBC Lower Cretaceous Arthur Conan Doyle Animal Theropoda Tyrannosaurus Camarasaurus Utah Jurassic Torvosaurus Chordate Othniel Charles Marsh Ceratosaurus Saurischia Upper Jurassic Marshosaurus Tarbosaurus Cetiosaurus Dinosaur Camptosaurus Cleveland-Lloyd Dinosaur Quarry Drinker Colorado Stegosaurus Sauropod Walking with Dinosaurs Morrison Formation Emery County, Utah