Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Opisthopora Family Glossoscolecidae Michaelsen, 1900 1 Genus [Glyphidrilus] Horst, 1889 2 Genus [Pontoscolex] Schmarda, 1861