lucernarida

from The Collaborative International Dictionary of English v.0.48

Lucernarida \Lu`cer*nar"i*da\, n. pl. [NL. See {Lucernaria}.]
   (Zool.)
   (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.
       [1913 Webster]