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 Candidate phylum Verstraetearchaeota (TMCG) Vanwonterghem et al. 2016 [monotypic] Candidate class Methanomethylia Vanwonterghem et al. 2016 [monotypic] Candidate order Methanomethylialesᵀ Vanwonterghem et al. 2016 [monotypic] Candidate family Methanomethyliaceaeᵀ Vanwonterghem et al. 2016 Candidatus Methanomethylicusᵀ Vanwonterghem et al. 2016 Candidatus Methanomethylicus mesodigestumᵀ Vanwonterghem et al. 2016