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 Promethearchaeati Imachi et al. 2024 [monotypic] Phylum Promethearchaeotaᵀ Imachi et al. 2024 [paraphyletic] 01 Class "Candidatus Asgardarchaeia" Tamarit et al. 2024 nom. pro-inval. [monotypic] 02 Class "Candidatus Atabeyarchaeia" Valentin-Alvarado et al. 2024 nom. pro-inval. [monotypic] 03 Class "Candidatus Baldrarchaeia" Liu et al. 2022 [monotypic] 04 Class "Candidatus Borrarchaeia" Liu et al. 2022 [monotypic] 05 Class "Candidatus Freyarchaeia" Valentin-Alvarado et al. 2024 nom. pro-inval. [monotypic] 06 Class "Candidatus Heimdallarchaeia" Rinke et al. 2021 nom. pro-inval. [monotypic] 07 Class "Candidatus Hermodarchaeia" Liu et al. 2022 [monotypic] 08 Class "Candidatus Jordarchaeia" Sun et al. 2021 nom. pro-inval. [monotypic] 09 Class "Candidatus Njordarchaeia" Xie et al. 2022 nom. pro-inval. [monotypic] 10 Class "Candidatus Odinarchaeia" Tamarit et al. 2022 nom. pro-inval. [monotypic] 11 Class "Candidatus Sifarchaeia" Sun et al. 2021 nom. pro-inval. [monotypic] 12 Class "Candidatus Wukongarchaeia" Liu et al. 2022 [monotypic] 13 Class Promethearchaeiaᵀ Imachi et al. 2024 [monotypic]