Plateosaurus is a type of dinosaur that lived during the Late Triassic period. It was a long-necked herbivore that walked on two legs and had a small head with a beaked mouth. Some similar terms for this dinosaur are "flat lizard," "plate lizard," and "broad lizard." These names come from the dinosaur's wide and flattened hips and shoulder blades, which were plate-like in shape. Another synonym for Plateosaurus is "saltasaurus," which refers to a similar dinosaur from South America. Regardless of the name used, Plateosaurus was a fascinating and important dinosaur in the history of our planet.