Upper jaw of Gansu hyena fossil (IMAGE) University of California - Berkeley Caption The fossilized upper jaw of the Gansu hyena, seen from top (left) and from below. The palate is broad and similar to that of the aardwolf, which has a more muscular tongue for slurping termites. Credit Mick Ellison Usage Restrictions Please credit Mick Ellison 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.