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 Actinomycetota Goodfellow 2021 Class "Candidatus Humimicrobiia" Jiao et al. 2021 nom. pro-inval. [monotypic] Order "Candidatus Humimicrobiales"ᵀ Jiao et al. 2021 nom. pro-inval. 1 Family "Candidatus Calidifonticultoraceae" Jiao et al. 2021 nom. pro-inval. [monotypic] 2 Family "Candidatus Halolacustraceae" Jiao et al. 2021 nom. pro-inval. [monotypic] 3 Family "Candidatus Humimicrobiaceae"ᵀ Jiao et al. 2021 nom. pro-inval. [monotypic] 4 Family "Candidatus Hydromicrobiaceae" Jiao et al. 2021 nom. pro-inval. [monotypic]