Xanthomonas Dowson, 1939 emend. Vauterin et al., 1995 Dataset Catalogue of Life Rank GENUS Classification kingdom Bacteria phylum Proteobacteria class Gammaproteobacteria order Xanthomonadales family Xanthomonadaceae genus Xanthomonas Name Homonyms Xanthomonas Dowson, 1939 emend. Vauterin et al., 1995