Fossil Teeth (IMAGE) The Hebrew University of Jerusalem Caption Fossil teeth of a transitional gundi found in Israel's Negev desert, named Sayimys negevensis. Credit Courtesy of Rivka Rabinovich 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.