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 Desulfobacula Rabus et al. 2000 1 Desulfobacula phenolica (Bak and Widdel 1988) Kuever et al. 2001 2 Desulfobacula toluolicaᵀ Rabus et al. 2000