organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Coelomata see [unranked] Coelomates Hyman, 1951
           Series Protostoma
             Phylum Tardigrada Doyère, 1840 - tardigrades
               Genus Batillipes Richters, 1909
               Genus Echiniscoides Plate, 1889
               Genus Echiniscus C.A.S. Schultze, 1840
               Genus Hypsibius Ehrenberg, 1848
               Genus Macrobiotus Schultze, 1834
               Genus Milnesium Doyère, 1840