Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Opisthopora Family Megascolecidae Rosa, 1891 Genus [Amynthas] Kinberg, 1867 Amynthas heterochaetus (Michaelsen, 1891)