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 1981 nom. nud.] see Kingdom Bacteria Cavalier-Smith 2002 stat. inval.
               2 [Subkingdom Archaebacteria Cavalier-Smith 1981]