The Fossil of Calvapilosa kroegeri (image) University of Bristol Share Print E-Mail Caption This is the fossil of Calvapilosa kroegeri, preserving the feeding apparatus (radula) and all the spines that covered the body. Credit Photo credit: Peter Van Roy. Usage Restrictions None Share Print E-Mail 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.