Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Archaea Woese et al. 1990 [paraphyletic]
               Phylum Euryarchaeota Garrity and Holt 2001
                 Class Halobacteria Grant et al. 2002 [monotypic]
                   Order Halobacterialesᵀ Grant and Larsen 1989 [monotypic]
                     Family Halobacteriaceaeᵀ Gibbons 1974 (Approved Lists 1980)
                       Genus Halobacteriumᵀ Elazari-Volcani 1957 (Approved Lists 1980)
                         1 Halobacterium halobium (Petter 1931) Elazari-Volcani 1957 (Approved Lists 1980)
                         2 Halobacterium jilantaiense Yang et al. 2006
                         3 Halobacterium noricense Gruber et al. 2005
                         4 Halobacterium piscisalsi Yachai et al. 2008
                         5.1 Halobacterium salinarumᵀ corrig. (Harrison and Kennedy 1922) Elazari-Volcani 1957 (Approved Lists 1980)
                         5.2 Halobacterium cutirubrum (Lochhead 1934) Elazari-Volcani 1957 (Approved Lists 1980)