sycones

from The Collaborative International Dictionary of English v.0.48

Sycones \Sy*co"nes\, n. pl. [NL., fr. Gr. ? a fig.] (Zool.)
   A division of calcareous sponges.
   [1913 Webster]

   Note: They usually resemble a fig, being vase-shaped with a
         fringed opening at the summit. The feeding cells are in
         ampullae connected with radial tubes in the thickened
         walls of the body.
         [1913 Webster] Syconium