Mymoorapelta was the first ankylosaur discovered in the Jurassic of North America. This dinosaur was discovered in the Morrison Formation (Brushy Basin Member) at the Mygatt-Moore Quarry, located in western Colorado’s Rabbit Valley. It represented a totally new group of dinosaurs in the Morrison Formation, one that hadn’t been found in this rock unit in [...]

Above are examples of Ceratosaurus teeth that have been collected in the Grand Valley over the last few decades. Ceratosaurus was a carnivorous dinosaur that lived during the Jurassic Period, some 150 million years ago. Its bones and teeth are now preserved in the rocks known as the Morrison Formation. This theropod appears to be [...]