Join Joseph Sertich, PhD, curator of vertebrate paleontology at the Denver Museum of Nature and Science for a free lecture Tuesday, Jan 19, 7 pm at the CU Natural History Museum. The dinosaurs of the Western Interior are among the best known and diverse assemblages in the world, with over a century of discovery and exploration from Alaska to Mexico. However, new discoveries from Utah and New Mexico have cast new light onto our assumptions of dinosaur distributions and movements approximately 75 million years ago, revealing unexpected patterns.