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 Minisyncoccota Nakajima et al. 2025 1 Class Minisyncocciaᵀ Nakajima et al. 2025 2 Class "Candidatus Saccharimonadia" corrig. Lemos et al. 2022 [monotypic] 3 Class "Candidatus Gracilibacteria" Yakimov et al. 2022 nom. pro-inval. [monotypic] 4 Class "Candidatus Microgenomatia" Herrmann et al. 2019 nom. pro-inval. [monotypic] 5 Class "Candidatus Patescibacteriia" Dutkiewicz et al. 2025 nom. pro-inval. [monotypic]