Kingdom Bacteria Cavalier-Smith 2002 stat. inval. [paraphyletic?] - bacteria see Domain Bacteria Woese et al. 1990 stat. inval. Subkingdom Unibacteria Cavalier-Smith 2002 [paraphyletic?] see Domain Bacteria Woese et al. 1990 stat. inval. Division Posibacteria Cavalier-Smith 2002 [paraphyletic?] Subdivision Actinobacteria Cavalier-Smith 2002 [paraphyletic?] see Phylum Actinobacteria Garrity and Holt 2001 Class Arabobacteria Cavalier-Smith 2002 nom. rej. Order Actinoplanales Cavalier-Smith 2002 nom. rej. see Order Actinomycetales Buchanan 1917 (Approved Lists 1980)