Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Magelonida see Order Spionida Rouse & Fauchald, 1997 Family Magelonidae Cunningham & Ramage, 1888 1 Genus Magelona F. Müller, 1858