Excavating Bones (IMAGE) University of Utah Caption A Natural History Museum of Utah field crew excavate bones from the skeleton of Akainacephalus johnsoni in 2009. Credit Randall Irmis/Natural History Museum of Utah Usage Restrictions Noncommercial with attribution 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.