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 Tardigrada Doyère, 1840 - tardigrades
           1 Order Heterotardigrada Marcus, 1927 see Class Heterotardigrada Marcus, 1927
           2 Order Mesotardigrada Rahm, 1937 see Class Mesotardigrada Rahm, 1937, nom. dub.
           3 Order Eutardigrada Richters, 1926 see Class Eutardigrada Richters, 1926