Phylum Arthropoda Siebold, 1848 - arthropods
   Superclass Crustacea Pennant, 1777 - crustaceans see [unranked] Crustaceomorpha Chernyshev, 1960
     Class Malacostraca Latreille, 1802
       Subclass Eumalacostraca Grobben, 1892
         Superorder Peracarida Calman, 1904
           Order Isopoda Latreille, 1817 - isopods
             Suborder Flabellifera Sars, 1882
               Family Sphaeromatidae Latreille, 1825
                 1 Subfamily Tecticipitinae Iverson, 1982 see Family Tecticipitidae Iverson, 1982
                 2 Subfamily Ancininae Dana, 1852 see Family Ancinidae Dana, 1852
                 3 Subfamily Cassidininae Iverson, 1982
                 4 Subfamily Dynameninae Bowman, 1981
                 5 Subfamily Sphaeromatinae Latreille, 1825