👉 Protoceratops is a genus of dinosaurs from the Late Cretaceous period, located in what is now Mongolia. The most well-known member of this group is Protoceratops taurus, which lived during the late Cretaceous period. Protoceratops was a large herbivorous dinosaur that had a long neck and short legs. It was about 10 feet (3 meters) tall and weighed between 75 and 90 tons. The head