Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Phyllodocida Dales, 1962 Superfamily Nereidoidea see Suborder Nereidiformia Family Syllidae Grube, 1850 Subfamily Eurysyllinae Hartman, 1965 1 Genus Eurysyllis Ehlers, 1864