Subfossil Hard Pillar Coral (IMAGE) Florida Atlantic University Caption A closeup of a well-preserved Late Holocene hard pillar coral (Dendrogyra cylindrus), now genetically extinct along the Florida reef tract due to a disease outbreak in 2014. 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.