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 Desulfovibrionales Kuever et al. 2006 Family Desulfovibrionaceaeᵀ Kuever et al. 2006 Genus Desulfovibrioᵀ Kluyver and van Niel 1936 (Approved Lists 1980) Desulfovibrio vietnamensis Dang et al. 2002