Prosaurolophus

Prosaurolophus (s; meaning `before Saurolophus`, in comparison to the later dinosaur with a similar head crest) is a genus of hadrosaurid (or duck-billed) dinosaur from the Late Cretaceous of North America. It is known from the remains of at least 25 individuals belonging to two species, including skulls and skeletons, but it remains obscure. Ar.....
Found on http://en.wikipedia.org/wiki/Prosaurolophus

Prosaurolophus

Prosaurolophus Means “before Saurolophus or first-crested lizard” from Late Cretaceous Alberta, Canada. Named by paleontologist Barnum Brown (1873-1963) in 1916.
Found on http://www.wordinfo.info/words/index/info/view_unit/2727/28

Prosaurolophus

Prosaurolophus was a dinosaur of the Cretaceous period. It was a large, duck-billed dinosaur, about eight metres long. The head of Prosaurolophus was low, and had a small crest running from the tip of the snout.
Found on http://www.probertencyclopaedia.com/browse/BPA.HTM
No exact match found