Protocodium_cross-section (IMAGE) University of Toronto Caption Reconstruction of a cross-section through Protocodium sinense, showing likeness to modern Codium. Credit Shu Chai Usage Restrictions For media use License Original 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.