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 Amphipoda Latreille, 1816 - amphipods
                   Suborder Gammaridea Latreille, 1802
                     01 Superfamily Phoxocephaloidea G.O. Sars, 1891
                     02 Superfamily Lysianassoidea Dana, 1849
                     03 Superfamily Pontoporeioidae nom. null. see Superfamily Pontoporeioidea Dana, 1853
                     03 Superfamily Pontoporeioidea Dana, 1853
                     04 Superfamily Gammaroidea Latreille, 1802
                     05 ?Family Caspicolidae Birstein, 1945
                     06 Superfamily Crangonyctoidea Bousfield, 1973
                     07 Superfamily Niphargoidea see Superfamily Crangonyctoidea Bousfield, 1973
                     08 Superfamily Eusiroidea Stebbing, 1888
                     09 Superfamily Oedicerotoidea Lilljeborg, 1865
                     10 Superfamily Leucothoidea Dana, 1852
                     11 Superfamily Talitroidea Rafinesque, 1815
                     12 Superfamily Stegocephaloidea Dana, 1853
                     13 Superfamily Synopioidea Dana, 1853
                     14 Superfamily Pardaliscoidea Boeck, 1871
                     15 Superfamily Liljeborgioidea Stebbing, 1899
                     16 Superfamily Dexaminoidea Leach, 1814
                     17 Superfamily Ampeliscoidea Costa, 1857
                     18 Superfamily Melphidippoidea Stebbing, 1899
                     19 Superfamily Bogidielloidea Hertzog, 1936
                     20 Superfamily Melitoidea Bousfield, 1973
                     21 Superfamily Corophioidea Leach, 1814 see Infraorder Corophiida Leach, 1814 () sensu Lowry & Myers, 2013