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 Crenarchaeota Garrity and Holt 2001 - [Candidate class "Korarchaeota" [monotypic]] see Phylum Korarchaeota Ludwig and Klenk 2001 1 Class Thermoprotei Reysenbach 2002 1.0 [Class "Thermoprotei" Reysenbach 2001] see Class Thermoprotei Reysenbach 2002 n.1 [Class "Thaumarchaeota" [monotypic]] see Phylum Thaumarchaeota Brochier-Armanet et al. 2008 n.2 [Candidate class "Aigarchaeota" [monotypic]] see Phylum Aigarchaeota Nunoura et al. 2011