organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 Phylum "Pseudomonads" see Order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980) Genus Xanthomonas Dowson 1939 (Approved Lists 1980)