life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         1.1 Phylum Xenoturbellida Westblad, 1949 see Subphylum Xenoturbellida Westblad, 1949
         1.2 Acoelomorpha Ehlers, 1985 see Subphylum Acoelomorpha Ehlers, 1985
         2 Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002