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?]
             [Phylum "Fibrobacteres" Garrity and Holt 2001 [monotypic]] see Phylum Fibrobacteres Garrity and Holt 2012
               [Class "Fibrobacteria"ᵀ Spain et al., 2012 [monotypic]] see Class Fibrobacteria Spain et al. 2012
                 1 [Order "Fibrobacterales"ᵀ Garrity and Holt 2001 nom. nud. [monotypic]] see Order Fibrobacterales Spain et al. 2012