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
                     Superfamily Phoxocephaloidea G.O. Sars, 1891
                     Superfamily Lysianassoidea Dana, 1849
                     Superfamily Pontoporeioidae nom. null. see Superfamily Pontoporeioidea Dana, 1853
                     Superfamily Pontoporeioidea Dana, 1853
                     Superfamily Gammaroidea Latreille, 1802
                     ?Family Caspicolidae Birstein, 1945
                     Superfamily Crangonyctoidea Bousfield, 1973
                     Superfamily Eusiroidea Stebbing, 1888
                     Superfamily Oedicerotoidea Lilljeborg, 1865
                     Superfamily Leucothoidea Dana, 1852
                     Superfamily Talitroidea Rafinesque, 1815
                     Superfamily Stegocephaloidea Dana, 1853
                     Superfamily Synopioidea Dana, 1853
                     Superfamily Pardaliscoidea Boeck, 1871
                     Superfamily Liljeborgioidea Stebbing, 1899
                     Superfamily Dexaminoidea Leach, 1814
                     Superfamily Ampeliscoidea Costa, 1857
                     Superfamily Melphidippoidea Stebbing, 1899
                     Superfamily Bogidielloidea Hertzog, 1936
                     Superfamily Melitoidea Bousfield, 1973
                     Superfamily Corophioidea Leach, 1814 see Infraorder Corophiida Leach, 1814 () sensu Lowry & Myers, 2013
                     Superfamily Niphargoidea see Superfamily Crangonyctoidea Bousfield, 1973