prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 Domain "Archaea" Woese et al. 1990 Phylum "Thaumarchaeota" Brochier-Armanet et al. 2008 [monotypic] Class Nitrososphaeria Stieglmeier et al. 2014 [monotypic] 1 Order Nitrososphaerales Stieglmeier et al. 2014 [monotypic]