<i>Phaeodactylum tricornutum</i> (IMAGE) Max-Planck-Gesellschaft Caption This is the marine pennate diatom Phaeodactylum tricornutum. Credit Photo: Andrew Allen and Adrian Marchetti 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.