This massive footprint is believed to belong to a giant Saurolophus, a duck-billed dinosaur estimated to exceed 15 meters in length. This would make it larger than even famous predators like ...
A GIANT two-legged dinosaur that dwarfed the T-rex stomped through the Gobi Desert over 65 million years ago. The proof? Its enormous footprints, the largest of which measures three feet across.