archiannelida

2 definitions found

archiannelida - Collaborative International Dictionary of English v.0.48 :

  Archiannelida \Ar`chi*an*nel"i*da\, n. pl. [NL.; pref. archi- +
     annelida.] (Zool.)
     A group of Annelida remarkable for having no external
     segments or distinct ventral nerve ganglions.
     [1913 Webster]

archiannelida - WordNet (r) 2.1 (2005) :

  Archiannelida
      n 1: a class of Annelida [syn: Archiannelida, class Archiannelida
           ]