Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Superkingdom Eukaryonta] see Domain Eukaryota Chatton, 1925
             [Suprakingdom Animalia Linnaeus, 1758] see Kingdom Animalia Linnaeus, 1758
               [Midkingdom Eumetazoa Butschli, 1910]
                 [Kingdom Bilateralia] see [unranked] Bilateria Hatschek, 1888
                   [Interkingdom Proctophora] see [unranked] Bilateria Hatschek, 1888
                     [Infrakingdom Coelomata] see [unranked] Coelomates Hyman, 1951
                       [Superphylum Eucoelomata] see [unranked] Coelomates Hyman, 1951
                         [Supraphylum Articulata Cuvier]
                           1 [Midphylum Annelidea] see Phylum Annelida Lamarck, 1809
                           2 [Midphylum Proarthropoda] see Phylum Onychophora Grube, 1853
                           3 [Midphylum Pentastomidea] see Class Pentastomida (Diesing, 1836)
                           4 [Midphylum Tardigradea] see Phylum Tardigrada Doyère, 1840
                           5 [Midphylum Euarthropoda] see Phylum Arthropoda Siebold, 1848