Phylum Arthropoda Siebold, 1848 - arthropods
   Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
     Class Malacostraca Latreille, 1802
       Subclass Eumalacostraca Grobben, 1892
         Superorder Peracarida Calman, 1904
           Order Lophogastrida Sars, 1870 - lophogastrids
             1 Family Eucopiidae Sars, 1885
             2 Family Lophogastridae Sars, 1870