living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
             Subclass Copepoda H. Milne-Edwards, 1840 - copepods
               1 Genus Tigriopus Norman, 1869
               2 Order Calanoida Sars, 1903
               3 Order Harpacticoida Sars, 1903
               4 Order Cyclopoida Sars, 1886
               5 Order Notodelphyoida see Order Cyclopoida Sars, 1886
               6 Order Monstrilloida Sars, 1901
               7 Order Caligoida see Order Siphonostomatoida Thorell, 1859