Caryophyllia

Caryophyllia is a genus of solitary corals in the family Caryophylliidae. Members of this genus are azooxanthellate (do not contain symbiotic algae) and are found in the North Atlantic Ocean and the Mediterranean Sea at depths down to 2,670 metres (8,760 ft). The genus has two subgenera and the following species according to the World Register of Marine Species:-