CHICAGO, Nov. 22 (UPI) -- A dinosaur discovered in Utah, described as a top predator at 30 feet and 4 tons, is the first of its kind to be found in North America, paleontologists say.
Researchers at The Field Museum in Chicago, the North Carolina Museum of Natural Sciences and North Carolina State University unearthed a fossil of the giant that walked the Earth around 100 million years ago in the Cedar Mountain Formation in Utah, a Field release reported Friday.