Webster’s Revised Unabridged Dictionary · 1913
Lucernarida
Lu′cer·nar′i·da (·năr′ĭ·dȧ), n. pl. [NL. See Lucernaria.] (Zoöl.) (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.