Madreporaria
  石珊瑚目
  Mad·re·po·ra·ri·a n. pl.  Zool. An extensive division of Anthozoa, including most of the species that produce stony corals. See Illust. of Anthozoa. -- Mad*re*po*ra*ri*an a. & n.
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  An·tho·zo·a n. pl.  Zool. The class of the Cœlenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria.
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  Madreporaria
       n : stony corals [syn: order Madreporaria]