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 Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024 Phylum Fibrobacterota Garrity and Holt 2021 Class Fibrobacteriaᵀ Spain et al. 2012 Order "Candidatus Fibrimonadales" corrig. Abdul Rahman et al. 2022 [monotypic] Family "Candidatus Fibrimonadaceae"ᵀ corrig. Abdul Rahman et al. 2022 [monotypic] Genus "Candidatus Fibrimonas"ᵀ corrig. Abdul Rahman et al. 2022