With the recent announcement of the brand-new genus Texacephale
(guess what state its fossil was found in?), pachycephalosaurs have been in the news lately. These "thick-headed lizards," as their name translates, boasted an inch or two of extra bone on top of their skulls, the only conceivable function for which could have been to head-butt others of the species and compete for mating privileges. Intrigued? Read all about pachycephalosaurs
, including the lifestyle and behavior of this odd breed of herbivorous dinosaur as well as profiles of major species.