[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Crustacea (Brünnich, 1772) - crustaceans see Superclass Crustacea Pennant, 1777
     Subclass Ostracoda Latreille, 1806 - ostracods see Class Ostracoda Latreille, 1802
       Order Myodocopida Sars, 1866
         Family Halocyprididae Dana, 1853
           Genus Porroecia Martens, 1979
             1 Subgenus Spinoecia