Apatosaurus in a forest.

Apatosaurus (thunder lizard) was a large sauropod of the Late Jurassic Period in North America. It was one of the largest land animals that ever lived. This dinosaur was also called Brontosaurus, although Brontosaurus was once thought to have
  • An Apatosaurus in a forest.
been another sauropod.apatosaurus was 70-80 feet it used its long tail as a weapon it may have just hide but it was big and long.