Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Flabelligerida see Order Terebellida Rouse & Fauchald, 1977 Family Acrocirridae K. Banse, 1969 1 Genus Macrochaeta Grube, 1851