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 "Spirochaetes" Garrity and Holt 2001 [monotypic]
    Count: [*] 1c;4o;5f;17g [13 Sep 2017]
       Class Spirochaetes Cavalier-Smith 2002
      Count: [*] 4o;5f;17g [13 Sep 2017]
         Order Brachyspirales Gupta et al. 2014 [monotypic]
        Count: [*] 1f;2g [13 Sep 2017]
           Family Brachyspiraceae Paster 2012
          Count: [*] 2g [13 Sep 2017]
             1 Genus Brachyspira Hovind-Hougen et al. 1983
            Count: -
             2 Genus Serpulina Stanton 1992 see Genus Brachyspira Hovind-Hougen et al. 1983
            Count: -