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 Mysidacea Haworth, 1825 see Order Mysida Haworth, 1825
                   Suborder Lophogastrida G. O. Sars, 1870 see Order Lophogastrida Sars, 1870
                     Family Lophogastridae Sars, 1870
                       1 Genus Gnathophausia Willemoes-Suhm, 1873
                       2 Genus Lophogaster M. Sars, 1856