If you look at enough dinosaur fossils, you’ll see that their skulls sport an amazing variety of bony ornaments, ranging from the horns of Triceratops and the mohawk-like crests of hadrosaurs to the bumps and knobs covering the head of Tyrannosaurus rex.
Click here for original story, Newly described species of dome-headed dinosaur may have sported bristly headgear
Source: Phys.org