[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 27p;43c;96o;248f;1468g;6605s;362ss
   Domain Bacteria Woese et al. 1990
  Count: [*] 25p;34c;83o;226f;1382g;6330s;362ss
     Phylum "Spirochaetes" Garrity and Holt 2001
    Count: [*] 1c;1o;3f;13g;97s;5ss
       Class "Spirochaetes" Cavalier-Smith, 2002 see Class Spirochaetes Cavalier-Smith 2002
      Count: [*] 1o;3f;13g;97s;5ss
         Order Spirochaetales Buchanan 1917 (Approved Lists 1980)
        Count: [*] 3f;13g;97s;5ss
           Family "Brachyspiraceae" nom. ined. see Family Brachyspiraceae Paster 2012
          Count: [*] 1g;6s
             Genus Brachyspira Hovind-Hougen et al. 1983
            Count: [*] 6s
               Brachyspira aalborgi Hovind-Hougen et al. 1983
              Count: -