Kingdom Bacteria Cavalier-Smith 2002 stat. inval. [paraphyletic?] - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Subkingdom Negibacteria Cavalier-Smith 2002 stat. inval. [paraphyletic?] - negibacteria see Domain Bacteria Woese et al. 1990 stat. inval.
     Infrakingdom Glycobacteria Cavalier-Smith 2002 stat. inval. see Domain Bacteria Woese et al. 1990 stat. inval.
       1 Division Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval.
       2 Division Spirochaetae Cavalier-Smith 2002
       3 Division Sphingobacteria Cavalier-Smith 2002
       4 Superdivision Exoflagellata Cavalier-Smith 2002