living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 stat. inval.
       Division Bacteria Murray 1974 nom. vernac. see Domain Bacteria Woese et al. 1990 stat. inval.
         "Spirochetes" see Phylum Spirochaetes Garrity and Holt 2001 nom. inval.
           Order Spirochaetales Buchanan 1917 (Approved Lists 1980)
             Family Spirochaetaceae Swellengrebel 1907 (Approved Lists 1980)
               Genus Cristispira Gross 1910 (Approved Lists 1980)