prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
Count: [*] 34p;74c;164o;358f;2552g [13 Sep 2017]
   Domain "Bacteria" Woese et al. 1990
  Count: [*] 29p;64c;145o;326f;2423g [13 Sep 2017]
     Phylum "Firmicutes" corrig. Gibbons and Murray 1978 (Approved Lists 1980)
    Count: [*] 7c;12o;40f;421g [9 Sep 2017]
       Class Clostridia Rainey 2010
      Count: [*] 4o;18f;207g [9 Sep 2017]
         Order Natranaerobiales Mesbah et al. 2007 [monotypic]
        Count: [*] 1f;3g [9 Sep 2017]
           Family Natranaerobiaceae Mesbah et al. 2007
          Count: [*] 3g [9 Sep 2017]
             1 Genus Natranaerobaculum Zavarzina et al. 2013
            Count: -
             2 Genus Natranaerobius Mesbah et al. 2007
            Count: -
             3 Genus Natronovirga Mesbah and Wiegel 2009
            Count: -