Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Fusobacteria Garrity and Holt 2001 [monotypic] see Phylum Fusobacteria Garrity and Holt 2012
       Class "Fusobacteria" Garrity and Holt 2001 nom. nud. [monotypic] see Class Fusobacteriia Staley and Whitman 2012
         Order "Fusobacteriales" Garrity et al. 2001 nom. ined. see Order Fusobacteriales Staley and Whitman 2012
           1 Family "Fusobacteriaceae" Garrity et al. 2001 nom. ined. see Family Fusobacteriaceae Staley and Whitman 2012
           2 Genus Cetobacterium Foster et al. 1996, incertae sedis