poriferan

from WordNet (r) 3.0 (2006)

poriferan
    n 1: primitive multicellular marine animal whose porous body is
         supported by a fibrous skeletal framework; usually occurs
         in sessile colonies [syn: {sponge}, {poriferan},
         {parazoan}]

from The Collaborative International Dictionary of English v.0.48

Poriferan \Po*rif"er*an\, n. (Zool.)
   One of the Polifera.
   [1913 Webster]