Late Holocene Study Researchers (IMAGE) Florida Atlantic University Caption Anton Oleinik, Ph.D., (left) holds a well-preserved subfossil of a Late Holocene hard pillar coral (Dendrogyra cylindrus), now genetically extinct along the Florida reef tract due to a disease outbreak in 2014, and Alex Modys, Ph.D., holds a Late Holocene subfossil of an elkhorn coral (Acropora palmata). Credit Florida Atlantic University Usage Restrictions Credit: Florida Atlantic University 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.