archiannelid


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.archiannelid - small primitive marine worm lacking external segmentation and resembling polychaete larvae
annelid, annelid worm, segmented worm - worms with cylindrical bodies segmented both internally and externally
Archiannelida, class Archiannelida - a class of Annelida