The Origins of Modern Corals

Abstract
Modern corals play an important role in marine processes and the global carbon cycle because of their prodigious ability to form calcium carbonate deposits. In their Perspective, [Stanley and Fautin][1] discuss the controversy surrounding the evolution of modern corals. They suggest that lineages may have lost and reacquired skeletons repeatedly as conditions favorable to calcification waned and waxed. [1]: http://www.sciencemag.org/cgi/content/full/291/5510/1913