Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Opisthopora Family Ocnerodrilidae Beddard, 1891 Genus [Gordiodrilus] Beddard, 1892 1 [Gordiodrilus elegans]