Phylum Arthropoda Siebold, 1848 - arthropods
   Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
     Class Ostracoda Latreille, 1802 - ostracods
       Subclass Podocopa Sars, 1866
         Order Podocopida (Sars, 1866) G.W. Müller, 1894
           1 Suborder Bairdiocopina Gründel, 1967
           2 Suborder Cytherocopina Baird, 1850
           3 Suborder Darwinulocopina Sohn, 1988
           4 Suborder Cypridocopina Jones, 1901
           5 Suborder Sigilliocopina Martens, 1992