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 Desulfomicrobiaceae Kuever et al. 2006 Genus Desulfomicrobiumᵀ Rozanova et al. 1994 Desulfomicrobium macestii (Gogotova and Vainshtein 1989) Hippe et al. 2003