Underwater Research (image) University of Sydney Share Print E-Mail Caption Dr. Belinda Dechnik from the University of Sydney [bottom] and Dr. James Sadler from the University of Queensland [top of image] analyzing the reef using quadrant photos to compare to the reefs in the fossil record. Credit University of Sydney Usage Restrictions Must credit if researchers' names not included in caption. 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.