Apatosaurus - Long Neck Dinosaurs

Name Means deceptive lizard
Size 70-90 feet (21-27 meters) long
Period Late Jurassic Period
Fossilsite Colorado and Wyoming, USA
Diet Herbivore (plant-eating) dinosaur

Apatosaurus is one of the best known dinosaurs, but it is usually known by its more popular name "Brontosaurus". These long-neck dinosaurs also had whip like tails. Apatosaurus may have used its long tail to defend against predators.