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
                       Family Acanthogammaridae Garjajeff, 1901
                         1 Genus Gammaracanthus Bate, 1862
                         2 Genus Pallasea Bate, 1862
                         3 Genus Andrussovia Derzhavin, 1929
                         4 Genus Praegmelina Derzhavin, 1929
                         5 Genus Spinacanthus Dorogostajskiî, 1931
                         6 Genus Hyalellopsis Stebbing, 1899
                         7 Genus Gammarosphaera Bazikalova, 1936