[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 Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980)
          Count: [*] 9g;76s;5ss
             1 Genus Spirochaeta Ehrenberg 1835 (Approved Lists 1980)
            Count: [*] 16s;2ss
             2 Genus Borrelia Swellengrebel 1907 (Approved Lists 1980)
            Count: [*] 33s
             3 Genus Brevinema Defosse et al. 1995
            Count: [*] 1s
             4 Genus Clevelandina Bermudes et al. 1988
            Count: [*] 1s
             5 Genus Cristispira Gross 1910 (Approved Lists 1980)
            Count: [*] 1s
             6 Genus Diplocalyx (ex Gharagozlou 1968) Bermudes et al. 1988
            Count: [*] 1s
             7 Genus Hollandina (ex To et al. 1978) Bermudes et al. 1988
            Count: [*] 1s
             8 Genus Pillotina (ex Hollande and Gharagozlou 1967) Bermudes et al. 1988
            Count: [*] 1s
             9 Genus Treponema Schaudinn 1905 (Approved Lists 1980)
            Count: [*] 21s;3ss