Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Opheliida see Order Scolecida Rouse & Fauchald, 1997 Family Opheliidae Malmgren, 1867 1 Subfamily Opheliinae (Malmgren, 1867) Hartmann-Schröder, 1971 2 Subfamily Ophelininae Hartmann-Schröder, 1971 3 Subfamily Travisiinae Hartmann-Schröder, 1971