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] Domain Bacteria Woese et al. 2024 Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Chloroflexota Garrity and Holt 2021 Class "Candidatus Spiritibacteria" Williams et al. 2024 nom. pro-inval. 1 Genus "Candidatus Aglaurobacter" Williams et al. 2024 nom. pro-inval. 2 Genus "Candidatus Otrerea" Williams et al. 2024 nom. pro-inval. 3 Genus "Candidatus Spiritibacter"ᵀ Williams et al. 2024 nom. pro-inval.