Crossword clues for archiannelida
archiannelida
The Collaborative International Dictionary
Archiannelida
Archiannelida \Ar`chi*an*nel"i*da\, n. pl. [NL.; pref. archi- + annelida.] (Zo["o]l.) A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.