archiannelida

English Thesaurus

1. a class of Annelida (noun.animal)

hypernym	:	class,
definition	:	(biology) a taxonomic group containing one or more orders (noun.group)

member holonym	:	archiannelid,
definition	:	small primitive marine worm lacking external segmentation and resembling polychaete larvae (noun.animal)

member meronym	:	annelida, phylum annelida,
definition	:	segmented worms: earthworms; lugworms; leeches (noun.animal)