Chancelloriid (IMAGE) University of Leicester Caption The new species of fossil chancelloriid: an enigmatic animal from the Cambrian Period with a tube-like body, 'minotaur-horn' spines, and doughnut-shaped scars. Credit Derek Siveter/Tom Harvey/Peiyun Cong 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.