Kingdom Animalia Linnaeus, 1758 - animals Phylum Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Haplotaxida Family Naididae Ehrenberg, 1828 - naidids Genus Branchiodrilus Michaelsen, 1900 Genus Dero Oken, 1807 Genus Ripistes Dujardin, 1842 Genus Slavina Vejdovský, 1883 Genus Stylaria Lamarck, 1816