Zhuchengtyrannus, despite its large size, is known from relatively few fossils, making some aspects of its anatomy and lifestyle still debated among paleontologists. elaborate
Concavenator, a theropod dinosaur, had a distinctive hump or sail on its back, the purpose of which is still debated by paleontologists. elaborate
Shantungosaurus, despite its massive size, is believed to have been a relatively fast runner for a hadrosaur. elaborate
Mapusaurus was likely a pack hunter, judging by the discovery of multiple individuals of varying ages found together in a single bone bed. elaborate
Psittacosaurus had a beak similar to a parrot's, but it was likely used for cropping plants rather than cracking nuts. elaborate
Teratophoneus, meaning "monstrous murderer," had a relatively short skull compared to other tyrannosaurids. elaborate