Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Clade neomura Cavalier-Smith, 1987 Domain Archaea Woese et al. 1990 [paraphyletic] Superphylum TACK Guy and Ettema 2011 Phylum "Thaumarchaeota" Brochier-Armanet et al. 2008 [monotypic] Class Nitrososphaeria Stieglmeier et al. 2014 [monotypic] Order Nitrososphaeralesᵀ Stieglmeier et al. 2014 [monotypic] Family Nitrososphaeraceaeᵀ Stieglmeier et al. 2014 [monotypic] Genus Nitrososphaeraᵀ Stieglmeier et al. 2014 [monotypic] 1 Nitrososphaera viennensisᵀ Stieglmeier et al. 2014