Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Proteobacteria Garrity and Holt 2001 see Phylum Proteobacteria Garrity et al. 2005 Class "Gammaproteobacteria" nom. inval. see 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 Pseudomonas Migula 1894 (Approved Lists 1980) 02 Genus Azomonas Winogradsky 1938 (Approved Lists 1980) 03 Genus Azotobacter Beijerinck 1901 (Approved Lists 1980) 04 Genus Cellvibrio (ex Winogradsky 1929) Blackall et al. 1986 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 Lampropedia Schroeter 1886 (Approved Lists 1980) 08 Genus Mesophilobacter Nishimura et al. 1989 09 Genus Morococcus Long et al. 1981 10 Genus Oligella Rossau et al. 1987 11 Genus Rhizobacter Goto and Kuwata 1988 12 Genus Rugamonas Austin and Moss 1987 13 Genus Serpens Hespell 1977 (Approved Lists 1980) 14 Genus Thermoleophilum Zarilla and Perry 1986 15 Genus Xylophilus Willems et al. 1987