Kingdom Bacteria Cavalier-Smith 2002 stat. inval. [paraphyletic?] - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Subkingdom Unibacteria Cavalier-Smith 2002 [paraphyletic?] see Domain Bacteria Woese et al. 1990 stat. inval.
     1 Division Posibacteria Cavalier-Smith 2002 [paraphyletic?]
     2 Division Archaebacteria Cavalier-Smith 2002 see Domain Archaea Woese et al. 1990 stat. inval.