Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Ctenodrilida see Order Terebellida Rouse & Fauchald, 1977 Family Parergodrilidae Reisinger, 1960 Genus Stygocapitella Knöllner, 1934