Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Fusobacteriati Battistuzzi and Hedges 2024 [monotypic]
               Phylum Fusobacteriotaᵀ Garrity and Holt 2021 [monotypic]
                 Class Fusobacteriiaᵀ Staley and Whitman 2012 [monotypic]
                   Order Fusobacterialesᵀ Staley and Whitman 2012
                     Family Fusobacteriaceaeᵀ Staley and Whitman 2012
                       Genus Cetobacterium Foster et al. 1996
                         Cetobacterium cetiᵀ Foster et al. 1996