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 Bacillotaᵀ Gibbons and Murray 2021 Class "Candidatus Fermentithermobacillia" Kadnikov et al. 2023 nom. pro-inval. [monotypic] Order "Candidatus Fermentithermobacillales"ᵀ Kadnikov et al. 2023 nom. pro-inval. [monotypic] 1 Family "Candidatus Fermentithermobacillaceae"ᵀ Kadnikov et al. 2023 nom. pro-inval. [monotypic]