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 Halobacteriales Grant and Larsen 1989 [monotypic]
           Family Halobacteriaceae Gibbons 1974 (Approved Lists 1980)
             01 Genus Haladaptatus Savage et al. 2007
             02 Genus Halalkalicoccus Xue et al. 2005
             03 Genus Halapricum Song et al. 2014
             04 Genus Halarchaeum Minegishi et al. 2010
             05 Genus Haloarchaeobius Makhdoumi-Kakhki et al. 2012
             06 Genus Haloarcula Torreblanca et al. 1986
             07 Genus Halobacterium Elazari-Volcani 1957 (Approved Lists 1980)
             08 Genus Halococcus Schoop 1935 (Approved Lists 1980)
             09 Genus Halomarina Inoue et al. 2011
             10 Genus Halomicroarcula Echigo et al. 2013
             11 Genus Halomicrobium Oren et al. 2002
             12 Genus Halorhabdus Wainø et al. 2000
             13 Genus Halorientalis Cui et al. 2011
             14 Genus Halorubellus Cui et al. 2014
             15 Genus Halorussus Cui et al. 2014
             16 Genus Halosimplex Vreeland et al. 2003
             17 Genus Halovarius Mehrshad et al. 2015
             18 Genus Halovenus Makhdoumi-Kakhki et al. 2012
             19 Genus Natribaculum Liu et al. 2015
             20 Genus Natronoarchaeum Shimane et al. 2010
             21 Genus Natronomonas Kamekura et al. 1997
             22 Genus Salarchaeum Shimane et al. 2011
             23 Genus Salinirubrum corrig. Cui and Qiu 2014