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 Domain Archaea Woese et al. 2024 [paraphyletic] Kingdom Thermoproteati Guy and Ettema 2024 Phylum "Candidatus Augarchaeota" corrig. Nunoura et al. 2023 [monotypic] Genus "Candidatus Calditenuis" Beam et al. 2020