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 Isopoda Latreille, 1817 - isopods
             Suborder Asellota Latreille, 1802
               1 Superfamily Aselloidea (Latreille, 1802)
               2 Superfamily Stenetrioidea Hansen, 1905
               3 Superfamily Janiroidea Sars, 1897
               4 Superfamily Gnathostenetroidoidea Kussakin, 1967