Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Phyllodocida Dales, 1962 Superfamily Nereidoidea see Suborder Nereidiformia Family Calamyzidae Hartmann-Schröder, 1971 1 Genus Calamyzas Arwidsson, 1932