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 Gammaroidea Latreille, 1802
                       01 Family Macrohectopidae Sowinsky, 1915 see Family Macrohectopodidae Sowinsky, 1915
                       02 Family Anisogammaridae Bousfield, 1977
                       03 Family Gammaroporeiidae Bousfield, 1979
                       04 Family Gammaridae Latreille, 1802
                       05 Family Acanthogammaridae Garjajeff, 1901
                       06 Family Mesogammaridae Bousfield, 1977
                       07 Family Pontogammaridae Bousfield, 1977
                       08 Family Typhlogammaridae Bousfield, 1977
                       09 [unranked] Iphigenella-Pachyschesis group
                       10 [unranked] Cardiophilus-Behningiella group see Family Behningiellidae Kamaltynov, 2001