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 Acidobacteriota Thrash and Coates 2021
                 Class Terriglobiaᵀ Thrash and Coates 2022
                   Order "Candidatus Acidiferrales" corrig. Epihov et al. 2022 [monotypic]
                     1 Genus "Candidatus Acidiferrum"ᵀ corrig. Epihov et al. 2022