Annelida Lamarck, 1809 - segmented worms "polychaetes" see Class Polychaeta Grube, 1850 Scolecida G.W. Rouse & K. Fauchald, 1997 see Order Scolecida Rouse & Fauchald, 1997 Family Opheliidae Malmgren, 1867 Subfamily Ophelininae Hartmann-Schröder, 1971 Genus Antiobactrum Chamberlin, 1919