Adult patiria (IMAGE) Chan Zuckerberg Biohub Caption The unusual five-axis symmetry of sea stars (Patiria miniata) has long confounded our understanding of animal evolution. Credit Laurent Formery Usage Restrictions with credit 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.