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
                 1 Phylum "Candidatus Augarchaeota" corrig. Nunoura et al. 2023 [monotypic]
                 2 Phylum "Candidatus Nezhaarchaeota" Wang et al. 2023 [monotypic]
                 3 Phylum Thermoproteotaᵀ Garrity and Holt 2021