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 Cirripedia Lamarck - barnacles and their kin see Infraclass Cirripedia Burmeister, 1834
               Order Rhizocephala Müller, 1862 see Superorder Rhizocephala Müller, 1862
                 Suborder Kentrogonida Delage, 1884 see Order Kentrogonida Delage, 1884
                   1 Family Peltogastridae Lilljeborg, 1860
                   2 Family Sacculinidae Lilljeborg, 1860
                   3 Family Lernaeodiscidae Boschma, 1928
                   4 Family Clistosaccidae Boschma, 1928
                   5 Family Sylonidae Boschma see Family Clistosaccidae Boschma, 1928