Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Sabellida Fauchald, 1977 1 Family Sabellidae Malmgren, 1867 2 Family Serpulidae Savigny, 1818 3 Family Spirorbidae (Chamberlin, 1919) Pillai, 1970