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
           Order Eutardigrada Richters, 1926 see Class Eutardigrada Richters, 1926
             Family Macrobiotidae Thulin, 1928
               Genus Macrobiotus Schultze, 1834
                 1 Macrobiotus echinogenitus Richters, 1903
                 2 Macrobiotus hufelandii C.A.S. Schultze, 1834 see Macrobiotus hufelandi C.A.S. Schultze, 1834
                 3 Macrobiotus macronyx Dujardin, 1851