prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Gemmatimonadetes" Zhang et al. 2003 [monotypic]
       Class Gemmatimonadetes Zhang et al. 2003 [monotypic]
         Order Gemmatimonadales Zhang et al. 2003 [monotypic]
           Family Gemmatimonadaceae Zhang et al. 2003 [monotypic]
             1 Genus Gemmatimonas Zhang et al. 2003