Muongorori wezvakaitika kare Barnum Brown akawana mudhuri wemadhadha muna 1915 kuAmerican Museum of Natural History (AMNH 5836) kubva kuRed Deer River yeAlberta, pedyo neSteveville. Akatsanangura chimiro ichi muna 1916 sechinhu chitsva, Prosaurolophus. Sarudzo yaBrown yezita rinobva pakuenzanisa nemhando Saurolophus, iyo yaakanga ataura muna 1912. Saurolophus yakanga yakafanana asi yakareba uye yakawanda spike-senge musoro wemusoro.
Rwizi rweRed Deer