Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Phyllodocida Dales, 1962 Superfamily Aphroditoidea Malmgren, 1867 Family Sigalionidae Kinberg, 1856 Genus Sigalion Audouin & Milne Edwards, in Cuvier, 1830