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 Eusiroidea Stebbing, 1888
                       1 Family Eusiridae Stebbing, 1888
                       2 Family Pontogeneiidae Stebbing, 1906
                       3 Family Gammarellidae Bousfield, 1977
                       4 Family Bateidae Stebbing, 1906
                       5 Family Calliopiidae G.O. Sars, 1895
                       6 Family Paramphithoidae G.O.Sars, 1883 see Family Epimeriidae Boeck, 1871
                       7 Family Amathillopsidae Pirlot, 1934