The large amount of horns are believed to have been used mostly to attract mates as well as intimidate rivals of the same species, rather than to hunt or protect themselves.
Laramidia is the continent that both these new dinosaurs were discovered to have lived on. It was a continent that was formed when the sea flooded the center of North America. This separated the western part of the continent from the eastern part for several million years. The western portion is now referred to as Laramidia. The prehistoric creatures were found in the state of Utah which was once part of Laramidia.
We should hear more news about these findings in the coming weeks as more studies are done.
