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 Thermoproteotaᵀ Garrity and Holt 2021
                   Class "Candidatus Korarchaeia" Rinke et al. 2021 nom. pro-inval.
                     Order "Panguiarchaeales" Qu et al. 2023 nom. inval. [monotypic]
                       Family "Panguiarchaeaceae"ᵀ Qu et al. 2023 nom. inval. [monotypic]
                         Genus "Panguiarchaeum"ᵀ Qu et al. 2023 nom. inval.