prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Archaea" Woese et al. 1990
     Phylum "Euryarchaeota" Garrity and Holt 2001
       Class Halobacteria Grant et al. 2002
         Order Natrialbales Gupta et al. 2015 [monotypic]
           Family Natrialbaceae Gupta et al. 2015
             01 Genus Halobiforma Hezayen et al. 2002
             02 Genus Halopiger Gutiérrez et al. 2007
             03 Genus Halostagnicola Castillo et al. 2006
             04 Genus Haloterrigena Ventosa et al. 1999
             05 Genus Halovivax Castillo et al. 2006
             06 Genus Natrialba Kamekura and Dyall-Smith 1996
             07 Genus Natrinema McGenity et al. 1998
             08 Genus Natronobacterium Tindall et al. 1984
             09 Genus Natronococcus Tindall et al. 1984
             10 Genus Natronolimnobius Itoh et al. 2005
             11 Genus Natronorubrum Xu et al. 1999
             12 Genus Salinarchaeum Cui et al. 2014