Species:Gryposaurus monumentensis Pronunciation: Grip-oh-sore-us mahn-you-men-ten-siss Meaning: "Hook-nosed lizard from Grand Staircase-Escalante National Monument" What: Hadrosaurid dinosaur Where: United States (Utah) When: ~ 75,000,000 B.C.E. Size: 9 meters (30 feet) long Diet: Herbivore Reconstruction: Gryposaurus monumentensis Fun Fact:Gryposaurus is most easily distinguished from other hadrosaurids by its narrow arching nasal hump, which may have been used for species or sexual identification, and/or combat with individuals of the same species.