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 Abditibacteriota Tahon et al. 2023 [monotypic]
                 Class Abditibacteriiaᵀ corrig. Tahon et al. 2018 [monotypic]
                   Order Abditibacterialesᵀ Tahon et al. 2018 [monotypic]
                     Family Abditibacteriaceaeᵀ Tahon et al. 2018
                       1 Genus Abditibacteriumᵀ Tahon et al. 2018
                       2 Genus Arboribacterium Kobayashi et al. 2026