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 Superdivision Exoflagellata Cavalier-Smith 2002 Division Proteobacteria Cavalier-Smith 2002 1 Subdivision Rhodobacteria Cavalier-Smith 2002 2 Subdivision Thiobacteria Cavalier-Smith 2002 3 Subdivision Geobacteria Cavalier-Smith 2002