[B]ecause the triceratops was discovered before torosaurus, naming convention rules that the former would be the official name for the dinosaur. So triceratops seems to be safe for now.
Read more: http://newsfeed.time.com/2010/08/03/it-was-a-close-call-but-triceratops-is-a-dinosaur-after-all/#ixzz0vbkqEvbw
I think science is just fucking with us at this point.