Approximate measurements of the Pachycephalosaurus:

the ceratopsids

dicynodonts were one of the dominant groups of herbivores on Earth

agile movements

Plateosaurus engelhardti Variant:Primed Approximate measurements of the Pachycephalosaurus:Plateosaurus engelhardti, a basal sauropodomorph dinosaur that inhabited during the Triassic period, approximately 214 to 204 million years ago. It was one of the first dinosaurs to be discovered and plays a key role in understanding the evolution and diversification of these ancient reptiles. Plateosaurus engelhardti was characterized by its distinctive appearance. It had a relatively large and stocky body, with strong legs and an elongated neck and