Duck-Billed Dinosaur Amazes Scientists

SALT LAKE CITY - Scientists are amazed at the chomping ability of a newly described duck-billed dinosaur. The herbivore's powerful jaw, more than 800 teeth and compact skull meant that no leaf, branch or bush would have been safe, they say.

"It really is like the Arnold Schwarzenegger of dinosaurs - it's all pumped up," said Scott Sampson, curator of the Utah Museum of Natural History.

The newly named Gryposaurus monumentensis, or hook-beaked lizard from the monument, was discovered near the Arizona line in the Grand Staircase-Escalante National Monument in 2002 by a volunteer at the site. Details about the 75-million-year-old dinosaur, including its name, were published …