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 Iainarchaeota" corrig. Rinke et al. 2023 Class "Candidatus Iainarchaeia"ᵀ Rinke et al. 2021 nom. pro-inval. [monotypic] Order "Candidatus Iainarchaeales"ᵀ Rinke et al. 2021 nom. pro-inval. [monotypic] Family "Candidatus Iainarchaeaceae"ᵀ Rinke et al. 2021 nom. pro-inval. [monotypic] 1 Genus "Candidatus Iainarchaeum"ᵀ Rinke et al. 2020