Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Opheliida see Order Scolecida Rouse & Fauchald, 1997 Family Scalibregmatidae Malmgren, 1867 1 Genus Asclerocheilus Ashworth, 1901 2 Genus Lipobranchus Cunningham & Ramage, 1888 3 Genus Polyphysia Quatrefages, 1865 4 Genus Scalibregma Rathke, 1843