<i>Kuphus Polythalamia</i> (IMAGE) University of Utah Health Caption This is the length of the giant shipworm after removal from its shell. Credit Marvin Altamia 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.