black coral Directory References Discover The Lost Colony of Roanoke Secret Service Code Names of 11 U.S. Presidents What Was the Super Bowl’s First Blockbuster Commercial? 9 of the World’s Deadliest Snakes 10 Best Hockey Players of All Time Periods of American Literature Vietnam War Timeline Contents black coral invertebrate Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:classification In coral…Scleractinia) number about 1,000 species; black corals and thorny corals (Antipatharia), about 100 species; horny corals, or gorgonians (Gorgonacea), about 1,200 species; and blue corals (Coenothecalia), one living species.Read More