New dinosaur species sheds light on evolution, provides facial makeover for tyrannosaurs

Scientists have discovered a new relative of T. rex that is the geologically youngest species of the lineage called Daspletosaurus, the ‘frightful lizards’. The new species of dinosaur, Daspletosaurus horneri, evolved directly from its geologically older relative, D. torosus. The excellently preserved fossils reveal that the face of tyrannosaurs was covered by a mask of large flat scales, with smaller patches of armor-like skin and sheaths of horn. The arrangement of scales suggests D. horneri had a crocodile-like pressure sensing snout.
Paleontology News — ScienceDaily