Meet Stegosaurus and Stegoceras (the head banger). An airborne giant, Quetzalcoatlus, with a wingspan the size of a WWII fighter. The meat-eaters: T.Rex, Giganotosaurus, and Allosaurus, who strode eight feet with every step--try out-running that There are fish--like ichthyosaurs, including Excalibosaurus, named after King Arthur's legendary sword because of its long snout. The swift and deadly raptors. Sauropods...