Original: Parasaurolophus ( , commonly also  ; meaning "near crested lizard" in reference to Saurolophus) is a genus of ornithopod dinosaur from the Late Cretaceous Period of what is now North America, about 76-73 million years ago.
Simplified: Parasaurolophus is a genus of ornithopod dinosaur from the Late Cretaceous Period of what is now North America, about 73-76 million years ago.