I guess I just figured that all the dinosaurs would have been figured out by now, so it's definitely a surprise that scientists have discovered another. That's 3 or 4 in the last year!

Brontomerus mcintoshi could deliver a kick nearly three times as powerful as that from similar-sized sauropods, a weapon that males may also have unleashed on each other when fighting over females in the early Cretaceous, researchers said.