Shantungosaurus, despite its massive size, is believed to have been a relatively fast runner for a hadrosaur. elaborate
Zhuchengtyrannus, despite its large size, is known from relatively few fossils, making some aspects of its anatomy and lifestyle still debated among paleontologists. elaborate
Hypsilophodon was initially thought to be arboreal (tree-dwelling), a belief later revised based on further fossil discoveries. elaborate
Pachyrhinosaurus had a bony boss on its nose instead of a horn like other ceratopsians. elaborate
Limusaurus, a small theropod dinosaur, is notable for losing its teeth as it matured. elaborate