Domain Bacteria Woese et al. 1990
   Phylum Chrysiogenetes Garrity and Holt 2001
     Class Chrysiogenetes Garrity and Holt 2001 see Class Chrysiogenetes Garrity and Holt 2002
       1 Order Chrysiogenales Garrity and Holt 2001 see Order Chrysiogenales Garrity and Holt 2002