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
               Order Cyclopoida Sars, 1886
                 01 Family Oithonidae Dana, 1852
                 02 Family Cyclopinidae G.O. Sars, 1913
                 03 Family Cyclopidae Rafinesque, 1815
                 04 Family Clausidiidae Embleton, 1901
                 05 Family Lichomologidae see Family Lichomolgidae Kossmann, 1877
                 06 Family Oncaeidae Giesbrecht, 1892[1893]
                 07 Family Corycaeidae Dana, 1852
                 08 Family Sapphrinidae see Family Sapphirinidae Thorell, 1860
                 09 Family Notodelphyidae Dana, 1852
                 10 Family Archinotodelphyidae Lang, 1949
                 11 Family Artotrogidae Brady, 1880
                 12 Family Asterocheridae Giesbrecht, 1899
                 13 Family Ergasilidae von Nordmann, 1832
                 14 Family Bomolochidae Sumpf, 1871
                 15 Family Tuccidae Vervoort, 1962
                 16 Family Grandiunguidae see Genus Grandiungus Pearse, 1952