prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval. Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024 Phylum "Proteobacteria" Garrity et al. 2005 stat. inval. see Phylum Pseudomonadota Garrity et al. 2021 Class Gammaproteobacteria Garrity et al. 2005 Order Lysobacterales Christensen and Cook 1978 (Approved Lists 1980) Family Lysobacteraceae Christensen and Cook 1978 (Approved Lists 1980) Genus Xanthomonas Dowson 1939 (Approved Lists 1980)