silicoidea

1 definition found

silicoidea - Collaborative International Dictionary of English v.0.48 :

  Silicoidea \Sil`i*coi"de*a\, n. pl. [NL. See Silex, and
     -oid.] (Zool.)
     An extensive order of Porifera, which includes those that
     have the skeleton composed mainly of siliceous fibers or
     spicules.
     [1913 Webster]