Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Opisthopora Family Megascolecidae Rosa, 1891 Genus [Polypheretima] Michaelsen, 1934 1 Polypheretima elongata (Perrier, 1872)