Cretaceous Critter (IMAGE) University of Kansas Caption The Cretaceous arachnid Chimerarachne yingi was found trapped in amber after 100 million years. Credit University of Kansas | KU News Service 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.