Ankle Bones of Galecyon (IMAGE) Society of Vertebrate Paleontology Caption This image shows the ankle bones of Galecyon in dorsal (top) view. Elements are (clockwise from top left) astragalus, calcaneus, and cuboid. Credit Image by S. Zack. Usage Restrictions <p>Please contact S. Zack for permission to use this image. <br>SHAWN P. ZACK <br>Department of Basic Medical Sciences <br>University of Arizona College of Medicine-Phoenix <br>Phoenix, Arizona 85004, U.S.A. <br><a href="mailto:zack@email.arizona.edu">zack@email.arizona.edu</a> 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.