Kingdom Animalia Linnaeus, 1758 - animals Phylum Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata 1 Order Lumbriculida 2 Order Moniligastrida see Order Opisthopora 3 Order Haplotaxida