prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   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)
             01 Genus Azomonas Winogradsky 1938 (Approved Lists 1980)
             02 Genus Azomonotrichon Thompson and Skerman 1981 see Genus Azomonas Winogradsky 1938 (Approved Lists 1980)
             03 Genus Azorhizophilus Thompson and Skerman 1981
             04 Genus Azotobacter Beijerinck 1901 (Approved Lists 1980)
             05 Genus Chryseomonas Holmes et al. 1986 see Genus Pseudomonas Migula 1894 (Approved Lists 1980)
             06 Genus Flavimonas Holmes et al. 1987 see Genus Pseudomonas Migula 1894 (Approved Lists 1980)
             07 Genus Mesophilobacter Nishimura et al. 1989
             08 Genus Permianibacter Wang et al. 2014
             09 Genus Pseudomonas Migula 1894 (Approved Lists 1980)
             10 Genus Rhizobacter Goto and Kuwata 1988
             11 Genus Rugamonas Austin and Moss 1987
             12 Genus Serpens Hespell 1977 (Approved Lists 1980)
             13 Genus Thiopseudomonas Tan et al. 2015