<i>Saccorhytus Coronarius</i> (IMAGE) St. John's College, University of Cambridge Caption Artist's reconstruction of Saccorhytus coronarius, based on the original fossil finds. The actual creature was probably no more than a millimeter in size Credit S Conway Morris / Jian Han 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.