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 Chloroflexota Garrity and Holt 2021
                 Class "Candidatus Limnocylindria" Mehrshad et al. 2021
                   Genus "Candidatus Aquidulcis" corrig. Rodriguez et al. 2022, incertae sedis