Phylum Arthropoda Siebold, 1848 - arthropods
   Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
     1 Class Branchiopoda Latreille, 1817 - branchiopods
     2 Class Remipedia Yager, 1981 - remipedes
     3 Class Cephalocarida H.L. Sanders, 1955 - cephalocarids
     4 Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
     5 Class Ostracoda Latreille, 1802 - ostracods
     6 Class Malacostraca Latreille, 1802