Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Terebellida Rouse & Fauchald, 1977 Family Trichobranchidae Malmgren, 1865 see Family Terebellidae Grube, 1850 1 Genus Octobranchus Marion & Bobretzky, 1875 2 Genus Terebellides Sars, 1835 3 Genus Trichobranchus Malmgren, 1865