Paleontologists identify oldest horned dinosaur in North America

Check out the latest dino news! One of our paleontologists, Scott Madsen, discovered this little guy in 1997 in what is called the Cloverly Formation in southern Montana. Utah State Paleontologist, James Kirkland, talks more about the fossil’s significance in this article.


Paleontologists have identified the fossil of a horned dinosaur the size of a house cat that is the oldest of its kind ever discovered in North America – by 15 million years.