Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Phylum "Spirochaetes" Garrity and Holt 2001 [monotypic]
               Class Spirochaetesᵀ Cavalier-Smith 2002 [monotypic]
                 Order Spirochaetalesᵀ Buchanan 1917 (Approved Lists 1980), sedis mutabilis
                   Family Borreliaceae Gupta et al. 2014
                     Genus Borreliaᵀ Swellengrebel 1907 (Approved Lists 1980)
                       01 Borrelia afzelii Canica et al. 1994
                       02 Borrelia americana Rudenko et al. 2010
                       03 Borrelia anserina (Sakharoff 1891) Bergey et al. 1925 (Approved Lists 1980)
                       04 Borrelia baltazardii corrig. (ex Karimi et al. 1979) Karimi et al. 1983
                       05 Borrelia bavariensis Margos et al. 2013
                       06 Borrelia brasiliensis Davis 1952 (Approved Lists 1980)
                       07 Borrelia burgdorferi Johnson et al. 1984
                       08 Borrelia carolinensis Rudenko et al. 2011
                       09 Borrelia caucasica (Kandelaki 1945) Davis 1957 (Approved Lists 1980)
                       10 Borrelia coriaceae Johnson et al. 1987
                       11 Borrelia crocidurae (Leger 1917) Davis 1957 (Approved Lists 1980)
                       12 Borrelia dugesii (Mazzotti 1949) Davis 1957 (Approved Lists 1980)
                       13 Borrelia duttonii (Novy and Knapp 1906) Bergey et al. 1925 (Approved Lists 1980)
                       14 Borrelia garinii Baranton et al. 1992
                       15 Borrelia graingeri (Heisch 1953) Davis 1957 (Approved Lists 1980)
                       16 Borrelia harveyi (Garnham 1947) Davis 1948 (Approved Lists 1980)
                       17 Borrelia hermsii (Davis 1942) Steinhaus 1946 (Approved Lists 1980)
                       18 Borrelia hispanica (de Buen 1926) Steinhaus 1946 (Approved Lists 1980)
                       19 Borrelia japonica Kawabata et al. 1994
                       20 Borrelia kurtenbachii Margos et al. 2014
                       21 Borrelia latyschewii (Sofiev 1941) Davis 1948 (Approved Lists 1980)
                       22 Borrelia lusitaniae Le Fleche et al. 1997
                       23 Borrelia mazzottii Davis 1956 (Approved Lists 1980)
                       24 Borrelia miyamotoi Fukunaga et al. 1995
                       25 Borrelia parkeri (Davis 1942) Steinhaus 1946 (Approved Lists 1980)
                       26 Borrelia persica (Dschunkowsky 1913) Steinhaus 1946 (Approved Lists 1980)
                       27 Borrelia recurrentis (Lebert 1874) Bergey et al. 1925 (Approved Lists 1980)
                       28 Borrelia sinica Masuzawa et al. 2001
                       29 Borrelia spielmanii Richter et al. 2006
                       30 Borrelia tanukii Fukunaga et al. 1997
                       31 Borrelia theileri (Laveran 1903) Bergey et al. 1925 (Approved Lists 1980)
                       32 Borrelia tillae Zumpt and Organ 1961 (Approved Lists 1980)
                       33 Borrelia turcica Güner et al. 2004
                       34 Borrelia turdi corrig. Fukunaga et al. 1997
                       35 Borrelia turicatae (Brumpt 1933) Steinhaus 1946 (Approved Lists 1980)
                       36 Borrelia valaisiana Wang et al. 1997
                       37 Borrelia venezuelensis (Brumpt 1921) Brumpt 1922 (Approved Lists 1980)
                       38 Candidatus "Borrelia texasensis" Lin et al. 2005