organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Coelomata see [unranked] Coelomates Hyman, 1951
           Series Protostoma
             Phylum Arthropoda Siebold, 1848 - arthropods
               Subphylum Mandibulata Snodgrass, 1938
                 Class Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
                   Subclass Entomostraca
                     1 Order Cladocera Latreille, 1829 - water fleas see Suborder Cladocera Latreille, 1829
                     2 Order Conchostraca (Sars, 1867) - clam shrimps see Order Diplostraca Gerstaecker, 1866
                     3 Order Ostracoda Latreille, 1806 see Class Ostracoda Latreille, 1802
                     4 Order Anostraca Sars, 1867 - brine shrimps
                     5 Order Notostraca Sars, 1867 - tadpole shrimps
                     6 Order Copepoda H. Milne-Edwards, 1840 see Class Copepoda H. Milne-Edwards, 1840
                     7 Order Cirripedia (Rafinesque, 1816) see Infraclass Cirripedia Burmeister, 1834