Xanthomonas Dowson 1939 (Approved Lists 1980) emend. Vauterin et al. 1995 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Xanthomonadales family Xanthomonadaceae genus Xanthomonas Name Homonyms Xanthomonas Xanthomonas Dowson 1939 (Approved Lists 1980) emend. Vauterin et al. 1995 Xanthomonas Dowson 1939 (Approved Lists 1980) emend. van den Mooter and Swings 1990