[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Gammaproteobacteria Garrity et al. 2005
         Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980)
           Family Pseudomonadaceae Winslow et al. 1917 (Approved Lists 1980)
             1 Genus Pseudomonas Migula 1894 (Approved Lists 1980)
             1.0.1 Genus Chryseomonas Holmes et al. 1986 see Genus Pseudomonas Migula 1894 (Approved Lists 1980)
             1.0.2 Genus Flavimonas Holmes et al. 1987 see Genus Pseudomonas Migula 1894 (Approved Lists 1980)
             2 Genus Azomonas Winogradsky 1938 (Approved Lists 1980)
             2.0 Genus Azomonotrichon Thompson and Skerman 1981 see Genus Azomonas Winogradsky 1938 (Approved Lists 1980)
             3 Genus Azorhizophilus Thompson and Skerman 1981
             4 Genus Azotobacter Beijerinck 1901 (Approved Lists 1980)
             5 Genus Cellvibrio (ex Winogradsky 1929) Blackall et al. 1986
             6 Genus Mesophilobacter Nishimura et al. 1989
             7 Genus Rhizobacter Goto and Kuwata 1988
             8 Genus Rugamonas Austin and Moss 1987
             9 Genus Serpens Hespell 1977 (Approved Lists 1980)