The Supersaurus was discovered/recognized in 1985 by Dr. Jim Jenson. The fossils were located in a rock formation in Colorado in 1972 alongside a Brachiosaurus, so at first it was believed to be the same dinosaur but years later the scientists found out it was two different dino's. The only parts of the fossils found are the shoulder blade and some of the neck vertebrae, but the shoulder blade itself stood over six feet tall. It is estimated that the Supersaurus stood over 80 feet tall and 130 feet long. This dinosaur was part of the diplodocus family and lived during the late Jurassic period. It is also thought to be the biggest dinosaur of the diplodocus family. It also was a herbivore meaning it ate plants. Just recently a new Supersaurus fossil set has been found and is currently being excavated out of a rock bed in Wyoming . This dino was indigenous to North America.