Auburn University’s Thomas Cullen is part of an international collaboration of researchers that has uncovered evidence that, contrary to popular belief, theropod dinosaurs like the Tyrannosaurus rex and Velociraptor had lips that covered their teeth.
Auburn University’s Thomas Cullen is part of an international collaboration of researchers that has uncovered evidence that, contrary to popular belief, theropod dinosaurs like the Tyrannosaurus rex and Velociraptor had lips that covered their teeth.