Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Superkingdom "Prokaryota" Margulis 1974 nom. nud. [paraphyletic]]
             [Kingdom "Bacteria" Cavalier-Smith 2002 stat. inval. - bacteria] see Domain Bacteria Woese et al. 1990 stat. inval.
               [Subkingdom Unibacteria Cavalier-Smith 2002] see Domain Bacteria Woese et al. 1990 stat. inval.
                 [Division Archaebacteria Cavalier-Smith 2002] see Domain Archaea Woese et al. 1990 stat. inval.
                   1 [Subdivision Euryarchaeotaᵀ Cavalier-Smith 2002] see Phylum Euryarchaeota Garrity and Holt 2002 stat. inval.
                   2 [Subdivision Crenarchaeota Cavalier-Smith 2002] see Phylum Crenarchaeota Garrity and Holt 2002 stat. inval.
                   3 [Order "Candidatus Korarchaeota" Cavalier-Smith 2002, incertae sedis] see Phylum Korarchaeota Ludwig and Klenk 2001 nom. pro-inval.