Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Fibrobacteres-Chlorobi-Bacteroidetes (FCB) Gupta 2004
               Phylum Bacteroidetes Krieg et al. 2012
                 Class Flavobacteriia Bernardet 2012 [monotypic]
                   Order Flavobacteriales Bernardet 2012
                     Family Flavobacteriaceaeᵀ Reichenbach et al. 1992
                       Genus Flavobacteriumᵀ Bergey et al. 1923 (Approved Lists 1980)
                         Flavobacterium flevense (van der Meulen et al. 1974) Bernardet et al. 1996