Skulls (IMAGE) University of Arkansas Caption In overall proportions, the skull of the short-faced kangaroo more closely resembled a koala than a modern-day kangaroo. Credit Illustration by Rex Mitchell 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.