Search Result for "archiannelida": 
Wordnet 3.0

NOUN (1)

1. a class of Annelida;
[syn: Archiannelida, class Archiannelida]



The 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]


WordNet (r) 3.0 (2006):

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