prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
Status: extant
   Domain "Bacteria" Woese et al. 1990
  Status: extant
     Phylum "Firmicutes" corrig. Gibbons and Murray 1978 (Approved Lists 1980)
    Status: extant
       Class Clostridia Rainey 2010
      Status: extant
         Order Natranaerobiales Mesbah et al. 2007 [monotypic]
        Status: extant
           1 Family Natranaerobiaceae Mesbah et al. 2007
          Status: extant