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 Hyperiidea Milne Edwards, 1830
                     Infraorder Physocephalata Bowman & Gruner, 1973
                       Superfamily Platysceloidea Bate, 1862
                         1 Family Pronoidae Dana, 1853
                         2 Family Anapronoidae Bowman & Gruner, 1973
                         3 Family Lycaeidae Claus, 1879
                         4 Family Oxycephalidae Dana, 1853
                         5 Family Platyscelidae Bate, 1862
                         6 Family Parascelidae Bovallius, 1887