prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Archaea" Woese et al. 1990 stat. inval. see Domain Archaea Woese et al. 2024
     Phylum "Euryarchaeota" Garrity and Holt 2002 stat. inval. see Kingdom Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024
       Class Halobacteria Grant et al. 2002
         Order Haloferacales Gupta et al. 2015 [monotypic] see Order Halobacteriales Grant and Larsen 1989
           Family Haloferacaceae Gupta et al. 2015
             01 Genus Halobaculum Oren et al. 1995
             02 Genus Halobellus Cui et al. 2011
             03 Genus Haloferax Torreblanca et al. 1986
             04 Genus Halogeometricum Montalvo-Rodríguez et al. 1998
             05 Genus Halogranum Cui et al. 2010
             06 Genus Halohasta Mou et al. 2013
             07 Genus Halolamina Cui et al. 2011
             08 Genus Halonotius Burns et al. 2010
             09 Genus Halopelagius Cui et al. 2010
             10 Genus Halopenitus Amoozegar et al. 2012
             11 Genus Haloplanus Bardavid et al. 2007
             12 Genus Haloquadratum Burns et al. 2007
             13 Genus Halorubrum McGenity and Grant 1996
             14 Genus Halosarcina Savage et al. 2008 see Genus Halogeometricum Montalvo-Rodríguez et al. 1998
             15 Genus Salinigranum Cui and Zhang 2014