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 Deferribacteres Garrity and Holt 2001 [monotypic]
               Class Deferribacteres Huber and Stetter 2002 [monotypic]
                 Order Deferribacteralesᵀ Huber and Stetter 2002 [monotypic]
                   Family Deferribacteraceaeᵀ Huber and Stetter 2002
                     Genus Deferribacterᵀ Greene et al. 1997
                       1 Deferribacter abyssi Miroshnichenko et al. 2003
                       2 Deferribacter autotrophicus Slobodkina et al. 2009
                       3 Deferribacter desulfuricans Takai et al. 2003
                       4 Deferribacter thermophilusᵀ Greene et al. 1997