the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [adjective] > belonging to class Chaetopoda > belonging to order Polychaeta > suborder Sabelliformia > of member of family Serpulidae (2)
an annelid belonging to a group or family of which Serpula is a typical genus.