prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Fusobacteria" Garrity and Holt 2012 [monotypic]
       Class Fusobacteriia Staley and Whitman 2012 [monotypic]
         Order Fusobacteriales Staley and Whitman 2012
           1 Family Fusobacteriaceae Staley and Whitman 2012
           2 Family Leptotrichiaceae Staley and Whitman 2012