Fossil and Modern Coccolithophore Cells (image) National Oceanography Centre, Southampton (UK) Caption This shows fossil and modern coccolithophore cells of species Toweius pertusus and Coccolithus pelagicus. These are used to provide clues about the impact of climate change both now and many millions of years ago Credit Paul Bown, University College London (UCL) Usage Restrictions Image credit to Paul Bown, University College London (UCL). 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.