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] Class "Candidatus Borrarchaeia" Liu et al. 2022 [monotypic] 1 Order "Candidatus Borrarchaeales"ᵀ Liu et al. 2022 [monotypic]