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.
       Division Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval.
         Subdivision Gloeobacteria Cavalier-Smith 2002 stat. inval. see Subphylum Gloeobacteria Cavalier-Smith 2002 stat. inval.
           1 Class Gloeobacteria Cavalier-Smith 2002 nom. rej. see Subclass Gloeobacterophycideae Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval.