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 Eobacteria Cavalier-Smith 2002 see Domain Bacteria Woese et al. 1990 Division Eobacteria Cavalier-Smith 2002 Class Chlorobacteria Cavalier-Smith 2002 Order Chloroflexales Castenholz 2001 nom. nud. see Order Chloroflexales Gupta et al. 2013