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 Autolytinae Langerhans, 1879 Genus Autolytus Grube, 1850