Madre*po*ra"ri*an

from The Collaborative International Dictionary of English v.0.48

Madreporaria \Mad`re*po*ra"ri*a\, n. pl. [NL. See {Madrepore}.]
   (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.
   [1913 Webster]