organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Eumetazoa Bütschli, 1910 - eumetazoans
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
             Teloblastica (C. Nielsen, 1995) see [unranked] Protostomia Grobben, 1908
               Articulata Cuvier see [unranked] Protostomia Grobben, 1908
                 Euarticulata see [unranked] Protostomia Grobben, 1908
                   Panarthropoda Nielsen, 1995 - panarthropods
                     Phylum Arthropoda Siebold, 1848 - arthropods
                       Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
                         Class Branchiopoda Latreille, 1817 - branchiopods
                         Class [Branchiura] Beddard, 1892 see Subclass Branchiura Thorell, 1864
                         Class Cephalocarida H.L. Sanders, 1955 - cephalocarids
                         Order [Cladocera] Latreille, 1829 - water fleas see Suborder Cladocera Latreille, 1829
                         Class Malacostraca Latreille, 1802
                         Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
                         Genus Pachygrapsus Randall, 1840
                         Class [Pentastomida] (Diesing, 1836) see Subclass Pentastomida Diesing, 1836
                         Subclass [Phyllopoda] Preuss, 1951
                         Class [Remipedia] Yager, 1981 - remipedes