Beaver fossil and skull reconstruction (IMAGE) University of Texas at Austin Caption A partial skull fossil from the ancient beaver Anchitheriomys buceei (on right) alongside a skull reconstruction. Credit UT Austin Jackson School of Geosciences / Matthew Brown. Usage Restrictions Include photo credit License Original 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.