Yukon Fossils (IMAGE) University of Colorado at Boulder Caption Series of fossils recovered from the Yukon. They are pieces of shells from two different species of turtle (top), a fossil from a relative of a modern pike fish (middle) and two fragments of ancient rhino teeth (bottom). Credit Grant Zazula 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.