Paleontologists have suggested that thin, lizard-like lips concealed the gigantic teeth of T. rex and other predatory dinosaurs, but not all experts are convinced.
T Rex dinosaurs had huge lips which covered their jagged teeth leicestermercury.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from leicestermercury.co.uk Daily Mail and Mail on Sunday newspapers.
'For a long time, researchers have suggested that theropod dinosaurs had exposed teeth, like crocodiles; this has become the pervasive depiction of predatory dinosaurs in films.'