Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Opisthopora Family Octochaetidae Michaelsen, 1900 Genus [Octochaetus] Beddard, 1893 1 Octochaetus beatrix Beddard, 1902