Annuloidea

1 definition found

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

  Annuloida \An`nu*loid"a\, n. pl. [NL., fr. L. annulus ring +
     -oid.] (Zool.)
     A division of the Articulata, including the annelids and
     allied groups; sometimes made to include also the helminths
     and echinoderms. [Written also {Annuloidea}.]
     [1913 Webster]