First Fossil in Washington State (IMAGE) University of Washington Caption The first dinosaur fossil described from Washington state (left) is a portion of a femur leg bone (full illustration right) from a theropod dinosaur. Theropods are a group of meat-eating, two-legged dinosaurs, including T. rex and Velociraptor. The fossil was discovered by Burke Museum paleontologists at Sucia Island State Park in the San Juan Islands. Credit Illustration courtesy of PLOS ONE, modified by the Burke Museum. Usage Restrictions With credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.