organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
     Phylum Spirochaetae (Ehrenberg 1855) Cavalier-Smith 1998 see Phylum Spirochaetes Garrity and Holt 2001
       "Spirochaetales" Buchanan, 1917 see Order Spirochaetales Buchanan 1917 (Approved Lists 1980)
         1 Genus Borrelia Swellengrebel 1907 (Approved Lists 1980)
         2 Genus Treponema Schaudinn 1905 (Approved Lists 1980)
         3 Genus Spirochaeta Ehrenberg 1835 (Approved Lists 1980)