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 Nanobdellati Rinke et al. 2024 Phylum "Candidatus Micrarchaeota" Baker and Dick 2023 Order "Candidatus Fermentimicrarchaeales" Kadnikov et al. 2022 [monotypic] Family "Candidatus Fermentimicrarchaeaceae"ᵀ Kadnikov et al. 2022 [monotypic] Genus "Candidatus Fermentimicrarchaeum"ᵀ Kadnikov et al. 2022