SEM of <i>E. huxleyi</i> (IMAGE) DOE/Joint Genome Institute Caption This is a scanning electron micrograph of a single E. huxleyi cell. E. huxleyi is an example of a coccolithophore and has an exoskeleton made of calcium carbonate. Credit Jeremy Young 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.