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 stat. inval. Phylum "chemoautotrophic bacteria" Class "oxidizers of nitrogen compounds" see Phylum Proteobacteria Garrity and Holt 2001 nom. nud. Genus Nitrosomonas Winogradsky 1892 (Approved Lists 1980) nom. cons.