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