Dryosaurus had a long, stiff tail that may have been used for balance while running. elaborate
Archaeopteryx fossils show evidence of both reptilian teeth and feathered wings. elaborate
Heterodontosaurus had different shaped teeth – some like incisors for cropping plants, others like canines for defense, and molars for grinding. This diverse dentition is unique among early ornithischians. elaborate
Gigantoraptor, despite its name, wasn't actually a raptor; it was an oviraptorosaur, a group of feathered dinosaurs more closely related to birds. 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