Tongue Worm and Host Animal without Shell (IMAGE) Yale University Caption This 3-D reconstruction shows two pentastomids (tongue worms), in orange. They are invading a host animal, represented by the other colors. This image removes the shell from the host animal. Credit D. Siveter, D. Briggs, D. Siveter, M. Sutton 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.