procaryotes
   Domain Archaea Woese et al. 1990 stat. inval. see Domain Archaea Woese et al. 2024
     Phylum Euryarchaeota Garrity and Holt 2001
       Class Halobacteria Grant et al. 2001 nom. inval. [monotypic] see Class Halobacteria Grant et al. 2002
         1 Order Halobacterialesᵀ Grant and Larsen 1989 [monotypic]