Apatosaurus belongs to a group of dinosaurs called the sauropods. This group of herbivorous (plant-eating) dinosaurs consists of the largest animals that ever lived on land. An animal this size ...

It belonged to an Apatosaurus — a genus of plant-eating giants very similar to the iconic Brontosaurus — and roamed what is now North America in the late Jurassic period (201 million to 145 ...