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 "Bacteriobiota" Jeffrey 1971 nom. inval.] see Domain Bacteria Woese et al. 1990 stat. inval.
               [Subkingdom "Negabacteriobionta" Jeffrey 1982 stat. inval.]
                 [Division "Phytotrophobacteria" Jeffrey (1982), nom. inval.]
                   1 [Subdivision "Cyanobacteria" Jeffrey (1982), nom. inval.]
                   2 [Subdivision "Prochlorobacteria" Jeffrey (1982), nom. inval.]
                   3 [Subdivision "Prochromobacteria" Jeffrey (1982), nom. inval.]