Figure S3 (image) University of Miami Rosenstiel School of Marine & Atmospheric Science Share Print E-Mail Caption Photographs of all shells analyzed in this study. Samples A-F are arranged from left to right for each level. Credit Philip Staudigel, Ph.D. 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.