The symbiotic relationship of Coral found in 385 million years old fossil

Researchers at the Max Planck Institute for Chemistry in Mainz found that the symbiotic relationship between Coral and Algae existed over 385 million years ago, in the Devonian period. The team used nitrogen isotope analysis of 2 extinct groups of coral fossils, tabulate and Rugos, on the fossils found in the Eifel and Sauerland regions of Germany.