Fautin, Daphne G. Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, Kansas.
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An order of the class Anthozoa (phylum Cnidaria), formerly known as Coenothecalia, commonly referred to as blue corals. The order Helioporacea contains, at most, a few extant species, which are colonial. They have a skeleton made of fibers of aragonite, which is the same form of the mineral calcium carbonate as in skeletons of scleractinian corals. See also: Anthozoa; Aragonite; Cnidaria; Scleractinia
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