Stegosaurus is immediately recognizable for its prominent plates, but why did these structures actually evolve? read more
Stegosaurus was the largest dinosaur in the plant-eating family 'stegosauridae' - see how dinosaurs are classified. The Stegosaurus was about the size of a bus. For exact details and more information and pictures about this dinosaur, see the Stegosaurus dinosaur facts page. read more
Although large individuals could grow up to 9 m (29.5 ft) in length and 5.3–7 metric tons (5.8–7.7 short tons) in weight, the various species of Stegosaurus were dwarfed by contemporaries, the giant sauropods. read more