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 Planctobacteria Cavalier-Smith 2002 see Phylum Planctobacteria Cavalier-Smith 2002 Class Chlamydiae Cavalier-Smith 2002