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 Oniscoidea Latreille, 1802 see Suborder Oniscidea Latreille, 1802
                     Infraorder Ligiamorpha Vandel, 1943
                       Section Crinocheta Legrand, 1946
                         Superfamily Atracheata see Superfamily Oniscoidea (Latreille, 1802)
                           01 Family Bathytropidae Vandel, 1952
                           02 Family Berytoniscidae Vandel, 1955
                           03 Family Halophiloscidae see Family Halophilosciidae Verhoeff, 1908
                           04 Family Olibrinidae Budde-Lund, 1913
                           05 Family Oniscidae Latreille, 1802
                           06 Family Philosciidae Kinahan, 1857
                           07 Family Platyarthridae Verhoeff, 1949
                           08 Family Pudeoniscoidae see Family Pudeoniscidae Lemos de Castro, 1973
                           09 Family Rhyscotidae Budde-Lund, 1904
                           10 Family Scyphacidae Dana, 1852
                           11 Family Speleoniscidae Vandel, 1948 see Family Spelaeoniscidae Vandel, 1948b
                           11 Family Spleoniscidae see Family Spelaeoniscidae Vandel, 1948b
                           12 Family Sphaeroniscidae Vandel, 1964 see Family Scleropactidae Verhoeff, 1938
                           13 Family Stenoniscidae Budde-Lund, 1904
                           14 Family Tendosphaeridae Verhoeff, 1930