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?] Superphylum "Proteobacteria" Craig et al. 2010 Phylum "Betaproteobacteria" Garrity et al., 2006 [monotypic] Class Betaproteobacteriaᵀ Garrity et al. 2006 Order Burkholderiales Garrity et al. 2006 Family Burkholderiaceaeᵀ Garrity et al. 2006 Genus Ralstonia Yabuuchi et al. 1996 Ralstonia solanacearum (Smith 1896) Yabuuchi et al. 1996