Neomenoidea

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Neomenoidea \Ne`o*me*noi"de*a\, n. pl. [NL., fr. Neomenia, a
     representative genus (See {Neomenia}) + -oid.] (Zool.)
     A division of vermiform gastropod mollusks, without a shell,
     belonging to the Isopleura.
     [1913 Webster]