Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Clade neomura Cavalier-Smith, 1987 Phylum Candidatus Verstraetearchaeota (TMCG) Vanwonterghem et al. 2016 [monotypic] Class Candidatus Methanomethylia Vanwonterghem et al. 2016 [monotypic] Order Candidatus Methanomethylialesᵀ Vanwonterghem et al. 2016 [monotypic] Family Candidatus Methanomethyliaceaeᵀ Vanwonterghem et al. 2016 Genus Candidatus Methanosuratus Vanwonterghem et al. 2016 [monotypic] Candidatus Methanosuratus petracarbonisᵀ Vanwonterghem et al. 2016