Benthic Map, Central South Pacific (IMAGE) Arizona State University Caption Benthic maps communicate the composition of the ocean floor. There are a total of 6 benthic classes identified on the Allen Coral Atlas. Credit Allen Coral Atlas Usage Restrictions Use 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.