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 "chemoautotrophic bacteria" Class "oxidizers of nitrogen compounds" see Phylum Proteobacteria Garrity and Holt 2001 Genus Nitrosospira Winogradsky and Winogradsky 1933 (Approved Lists 1980)