Fossils and Their Living Relatives (image) University of California - Berkeley Share Print E-Mail Caption Fossil and living animals were analyzed by Finnegan and coauthors in their study of extinction risk in the oceans. Fossil examples on left, living examples on right. From top to bottom: whales, sharks, echinoids, snails, clams, corals. Credit Photo credits clockwise from top right: living whale (Ari S. Friedlaender), living shark (Kevin D. Lafferty), living echinoid (Simon Coppard), living snail (Nick Hobgood), living clam (Erin Dillon), living coral (Aaron O'Dea), fossil coral (Aaron O'Dea), fossil clam (Jon Todd), fossil snail (Felix Rodriguez), fossil echinoid (Aaron O'Dea), fossil shark (Jorge Carrillo Briceño), fossil whale (Nicholas D. Pyenson). 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.