General Biology of Caveasphaera (IMAGE) Chinese Academy of Sciences Headquarters Caption a and b, SEM image(s) of naked Caveasphaera specimen(s) with cellular structures (e, f showing detail of the cellular structures); c and d, Caveasphaera specimens with well-preserved envelope. Credit NIGPAS 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.