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 "Deltaproteobacteria" Kuever et al., 2006 [polyphyletic] Class Deltaproteobacteriaᵀ Kuever et al. 2006 Order Desulfobacterales Kuever et al. 2006 Family Desulfobacteraceaeᵀ Kuever et al. 2006 Genus Desulfofaba Knoblauch et al. 1999 1 Desulfofaba fastidiosa Abildgaard et al. 2004 2 Desulfofaba gelidaᵀ Knoblauch et al. 1999 3 Desulfofaba hansenii (Finster et al. 2001) Abildgaard et al. 2004