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 Arthropoda Siebold, 1848 - arthropods
           Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
             Subclass Malacostraca Latreille, 1802 see Class Malacostraca Latreille, 1802
               Superorder Peracarida Calman, 1904
                 Order Tanaidacea Dana, 1849 - tanaids
                   Suborder Dikonophora see Suborder Tanaidomorpha Sieg, 1980
                     1 Family Agathotanaidae Lang, 1971
                     2 Family Anarthruridae Lang, 1971
                     3 Family Leptognathiidae Sieg, 1976
                     4 Family Neotanaidae Lang, 1956
                     5 Family Nototanaidae Sieg, 1976
                     6 Family Paratanaidae Lang, 1949
                     7 Family Pseudotanaidae Sieg, 1976
                     8 Family Tanaidae Dana, 1849