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 Methanobacteriati (Garrity and Holt 2023) Oren and Göker 2024
                 Phylum "Candidatus Hadarchaeota" Chuvochina et al. 2023 [monotypic]
                   Class "Candidatus Hadarchaeia"ᵀ Chuvochina et al. 2023 nom. pro-inval. [monotypic]
                     Order "Candidatus Hadarchaeales"ᵀ Chuvochina et al. 2023 nom. pro-inval.
                       Family "Candidatus Cerberiarchaeaceae" Benito Merino et al. 2024 nom. pro-inval.
                         1 Genus "Candidatus Cerberiarchaeum"ᵀ Benito Merino et al. 2024 nom. pro-inval.
                         2 Genus "Candidatus Melinoarchaeum" Yu et al. 2024 nom. pro-inval.