living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Annelida Lamarck, 1809 - segmented worms
           Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata
             Order Haplotaxida
               Suborder Tubificina see Order Tubificida
                 Superfamily Tubificoidea see Suborder Tubificina
                   Family Naididae Ehrenberg, 1828 - naidids
                     1 Genus Slavina Vejdovský, 1883
                     2 Genus Ripistes Dujardin, 1842
                     3 Genus Stylaria Lamarck, 1816
                     4 Genus Pristina Ehrenberg, 1828
                     5 Genus Branchiodrilus Michaelsen, 1900
                     6 Genus Dero Oken, 1807
                     7 Genus Chaetogaster Baer, 1827
                     8 Subgenus Naididae subg. Allodero
                     9 Genus Paranais Czerniavsky, 1880