Apatosaurus is a type of sauropod Dinosaur. It was a herbivore which means it only ate plants. Like other sauropod, this titan had a long neck. Apatosaurus lived in North America during the late Jurassic period, like the other herbivorous dinosaurs like Brachiosaurus, Camarasaurus, Camptosaurus, Dryosaurus, Diplodocus, and Stegosaurus.
Apatosaurus Ajax is an Apatosaurine like its cousin, Brontosaurus Excelsus, but Brontosaurus was smaller, has a longer neck and longer legs.