Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Deferribacteres Garrity and Holt 2001 [monotypic]
       Class Deferribacteres Huber and Stetter 2001 nom. inval. [monotypic] see Class Deferribacteres Huber and Stetter 2002
         1 Order Deferribacteralesᵀ Huber and Stetter 2001 nom. inval. see Order Deferribacterales Huber and Stetter 2002