organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Eumetazoa Bütschli, 1910 - eumetazoans
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
             Teloblastica (C. Nielsen, 1995) see [unranked] Protostomia Grobben, 1908
               Articulata Cuvier see [unranked] Protostomia Grobben, 1908
                 Euarticulata see [unranked] Protostomia Grobben, 1908
                   Panarthropoda Nielsen, 1995 - panarthropods
                     Phylum Tardigrada Doyère, 1840 - tardigrades
                       Genus Batillipes Richters, 1909
                       Genus Macrobiotus Schultze, 1834
                       Genus Wingstrandarctus R.M. Kristensen, 1984
                       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