Fossil Planktonic Foraminifera (IMAGE) University of Southampton Caption Fossil planktonic foraminifera (40 million years old) from Tanzania is shown. Credit Paul Pearson, Cardiff University 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.