Phylum Arthropoda Siebold, 1848 - arthropods Subphylum Crustacea BrĂ¼nnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777 Class Ostracoda Latreille, 1802 - ostracods Subclass Podocopa Sars, 1866 Order Platycopida Sars, 1866 Family Cytherellidae Sars, 1866