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 Isopoda Latreille, 1817 - isopods
                   Suborder Asellota Latreille, 1802
                     Superfamily Janiroidea Sars, 1897
                       Family Abyssianiridae see Family Paramunnidae Vanhöffen, 1914
                       Family Acanthaspidiidae Menzies, 1962
                       Family Acanthomunnopsidae see Family Munnopsidae Lilljeborg, 1864
                       Family Antiasidae
                       Family Dendrotionidae Vanhoeffen, 1914
                       Family Desmosomatidae G.O. Sars, 1899
                       Family Echinothambematidae Menzies, 1956
                       Family Eurycopidae see Family Munnopsidae Lilljeborg, 1864
                       Family Haplomunnidae Wilson, 1976
                       Family Haploniscidae Hansen, 1916
                       Family Ilyarachnidae see Family Munnopsidae Lilljeborg, 1864
                       Family Ischnomesidae Hansen, 1916
                       Family Joeropsidae Nordenstam, 1933 see Family Joeropsididae (Nordenstam, 1933) Menzies, 1962
                       Family Joeropsididae (Nordenstam, 1933) Menzies, 1962
                       Family Janirellidae Menzies, 1956
                       Family Janiridae G.O. Sars, 1897
                       Family Macrostylidae Hansen, 1916
                       Family Mesosignidae Schultz, 1969
                       Family Microparasellidae Karaman, 1933
                       Family Munnidae G.O. Sars, 1897
                       Family Munnopsidae Lilljeborg, 1864
                       Family Nannoniscidae Hansen, 1916
                       Family Pleurocopidae Fresi & Schiecke, 1972
                       Family Pseudomesidae Hansen, 1916
                       Family Schistosomatidae Stiles & Hassall, 1898
                       Family Thambematidae Stebbing, 1913
                       Family Pleurogniidae