Kingdom Animalia Linnaeus, 1758 - animals Phylum Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Moniligastrida see Order Opisthopora Family Moniligastridae Genus Desmogaster Rosa, 1890