X-ray (IMAGE) University of Arkansas Caption Figure demonstrating where landmarks were placed on the head/neck so that a geometric morphometric analysis could be completed. Credit Kaitlin Gallagher and Ashly Romero, University of Arkansas Usage Restrictions None 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.