fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960
       Class Ostracoda Latreille, 1802 - ostracods
         1 ?Order †Bradioriida Raymond, 1935 see Order Bradoriida Raymond, 1935
         2 ?Order †Phosphatocopda see Order Phosphatocopida Müller, 1964
         3 Order †Leperditicopida Scott, 1961
         4 Order †Palaeocopida Henningsmoen, 1953 see Suborder Palaeocopina Henningsmoen, 1953
         5 Order Myodocopida Sars, 1866
         6 Order †Metacopida Sylvester-Bradley, 1961
         7 Order Podocopida (Sars, 1866) G.W. Müller, 1894
         8 Order Platycopida Sars, 1866
         9 Order †uncertain