living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Arthropoda Siebold, 1848 - arthropods
           Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
             Cirripedia Lamarck - barnacles and their kin see Infraclass Cirripedia Burmeister, 1834
               Rhizocephala Müller, 1862 see Superorder Rhizocephala Müller, 1862
                 Kentrogonida Delage, 1884 see Order Kentrogonida Delage, 1884
                   Clistosaccidae Boschma, 1928
                     Clistosaccus Lilljeborg, 1860
                       Clistosaccus paguri (Lilljeborg)