Class Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
   Subclass Ostracoda Latreille, 1806 - ostracods see Class Ostracoda Latreille, 1802
     Order Podocopida (Sars, 1866) G.W. Müller, 1894
       Suborder Podocopina Sars, 1866 see Order Podocopida (Sars, 1866) G.W. Müller, 1894
         1 Superfamily Cytheroidea Baird, 1850
         2 Superfamily Darwinuloidea Brady & Norman, 1889
         3 Superfamily Cypridoidea Baird, 1845