Reconstruction of <i>Ikaria wariootia</i> (IMAGE) Proceedings of the National Academy of Sciences Caption Reconstruction of Ikaria wariootia creating a Helminthoinichnites-type trail. Credit Image Credit: Sohail Wasif (University of California, Riverside, CA). 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.