Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum Firmicutes (Gibbons and Murray 1978) Garrity and Holt 2001 stat. inval. see Phylum Bacillota Gibbons and Murray 2021
       Class "Clostridia" "Garrity and Holt 2001" nom. nud. see Class Clostridia Rainey 2010
         Order Haloanaerobiales Rainey and Zhilina 1995 see Order Halanaerobiales corrig. Rainey and Zhilina 1995
           Family Haloanaerobiaceae Oren et al. 1984 see Family Halanaerobiaceae corrig. Oren et al. 1984
             1 Genus Haloanaerobium (sic) Zeikus et al. 1984 see Genus Halanaerobium corrig. Zeikus et al. 1984
             2 Genus Halocella Simankova et al. 1994 nom. illeg.
             3 Genus Halothermothrix Cayol et al. 1994
             4 Genus Natroniella Zhilina et al. 1996