Lebewesen 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 Neoproctophora
               Superphylum Pseudocoelia see [unranked] Pseudocoelomates Hyman, 1951
                 Midphylum Nematelminthes see Phylum Nematoda Gegenbaur, 1859
                   1 Phylum Priapulida Delage & Hérouard, 1897 - priapulids
                   2 Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771
                   3 Phylum Kinorhyncha Reinhard, 1887 - kinorhynchs
                   4 Phylum Rotatoria Ehrenberg, 1838 see Phylum Rotifera Cuvier, 1798
                   5 Phylum Gastrotricha Metschnikoff, 1864 - gastrotrichs
                   6 Phylum Nematoda Gegenbaur, 1859 - round worms
                   7 Phylum Nematomorpha Vejdovsky, 1886 - horsehair worms