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 "Gammaproteobacteria" Garrity et al., 2005 [monotypic]
                 Class Gammaproteobacteriaᵀ Garrity et al. 2005
                   Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
                     Family Pseudomonadaceaeᵀ Winslow et al. 1917 (Approved Lists 1980)
                       Genus Thiopseudomonas Tan et al. 2015
                       1 Genus Pseudomonasᵀ Migula 1894 (Approved Lists 1980)
                       2 Genus Azomonas Winogradsky 1938 (Approved Lists 1980)
                       3 Genus Azorhizophilus Thompson and Skerman 1981 [monotypic]
                       4 Genus Azotobacter Beijerinck 1901 (Approved Lists 1980)
                       5 Genus Mesophilobacter Nishimura et al. 1989 [monotypic]
                       6 Genus Permianibacter Wang et al. 2014 [monotypic]
                       7 Genus Rhizobacter Goto and Kuwata 1988 [monotypic]
                       8 Genus Rugamonas Austin and Moss 1987 [monotypic]
                       9 Genus Serpens Hespell 1977 (Approved Lists 1980) [monotypic]