Cryolophosaurus was a relative of ceratosaurus. Discovered in antarctica it was a large sized meat eater with jaws to suit. It lived alongside prosauropods found in a similair area.
Cryolophosaurus lived off meat. It was probably an opritunists living off not only dead animals but live ones to. This behemoth predator probably also ate sea going animals such as ammonites or maybe even coelocanths.
Discovered in 1994. It was going to be named "elvisaurus" because it's crest looked like Elvis Presley's hairdo.