Source : Webster's Revised Unabridged Dictionary (1913)

lucernarida \lu`cer*nar"i*da\, n. pl. [NL. See {Lucernaria}.]
   (Zo["o]l.)
   (a) A division of acalephs, including {Lucernaria} and allied
       genera; -- called also {Calycozoa}.
   (b) A more extensive group of acalephs, including both the
       true lucernarida and the Discophora.

Calycozoa \Cal`y*co*zo"a\, n. pl. [NL., fr. Gr. ?, ?, cup or
   calyx a flower + ? animal.] (Zo["o]l.)
   A group of acalephs of which Lucernaria is the type. The body
   is cup-shaped with eight marginal lobes bearing clavate
   tentacles. An aboral sucker serves for attachment. The
   interior is divided into four large compartments. See
   {Lucernarida}.