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. Superdivision Exoflagellata Cavalier-Smith 2002 Division Proteobacteria Cavalier-Smith 2002 stat. inval. Subdivision Thiobacteria Cavalier-Smith 2002 Genus Thermodesulfobacterium Zeikus et al. 1995, incertae sedis