Beetle in Amber (IMAGE) California Institute of Technology Caption A 99 million year old beetle, fossilized in amber, is now the oldest example of an animal in a behaviorally symbiotic relationship. Credit Caltech Usage Restrictions With image credit 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.