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 Amphipoda Latreille, 1816 - amphipods
             Suborder Caprellidea Leach, 1814 see Infraorder Caprellida Leach, 1814
               Infraorder Caprellida Leach, 1814
                 Superfamily Phtisicoidea Vassilenko, 1968 see Family Caprellidae Leach, 1814
                   Family Phtisicidae Vassilenko, 1968 see Subfamily Phtisicinae Vassilenko, 1968