prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Bacteria" Woese et al. 1990 Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010 [Class Deltabacteria Cavalier-Smith 2002] see Class Deltaproteobacteria Kuever et al. 2006