A herbivorous dinosaur that lived during the Upper Jurassic period, 155 to 144 million years ago. It has distinctive large plates which run from its neck to its tail. Fossils have been found in the USA.
A herbivorous dinosaur that lived during the Upper Jurassic period, 155 to 144 million years ago. It has distinctive large plates which run from its neck to its tail. Fossils have been found in the USA.