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 Gemmatimonadota Zhang et al. 2021 [monotypic]
                 Class Gemmatimonadiaᵀ corrig. Zhang et al. 2003
                   1 Order Gaopeijiales Ye et al. 2025 [monotypic]
                   2 Order Gemmatimonadalesᵀ Zhang et al. 2003 [monotypic]
                   3 Order Longimicrobiales Pascual et al. 2016