Papo France AllosaurusArticulated jaw really opens and closes! Papo Allosaurus The word "Allosaurus" means "different lizard". The Allosaurus was a large predator dinosaur that walked on its hind legs. It's three fingered upper arms were small and weak relative to its powerful hind legs. Its skull was large and equipped with dozens of sharp, serrated teeth. Its body was balanced by a long and heavily muscled tail. This particular Allosaurus is a color variation on the