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 Cyanobacteriota Oren et al. 2022 Class Vampirovibrionophyceae corrig. Strunecký and Mareš 2023 Order "Candidatus Obscuribacterales" Soo et al. 2014 nom. pro-inval. [monotypic] Family "Candidatus Obscuribacteraceae"ᵀ Chuvochina et al. 2023 nom. pro-inval. [monotypic] Genus "Candidatus Obscuribacter"ᵀ Soo et al. 2020