is 463.25 KB, has a resolution of 1600x724 pixels and was uploaded on September 4, 2018 @ 1:54 pm by user: lionuhn. It is filed under the tags: stegosauria, fossil, extinction, terrestrial animal, history of paleontology. Click the blue button at the top to freely download: Dinosaur Ankylosaurus Stegosaurus Hadrosaurus Pachycephalosaurus png.