Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum "Actinobacteria" Garrity and Holt 2001
                 1.1.1.1 Class Actinobacteriaᵀ Stackebrandt et al. 1997
                 1.1.1.2 Class Nitriliruptoria Ludwig et al. 2013
                 1.1.2 Class Acidimicrobiia Norris 2013 [monotypic]
                 1.2 Class Coriobacteriia König 2013
                 2.1 Class Thermoleophilia Suzuki and Whitman 2013 [monotypic]
                 2.2 Class Rubrobacteria Suzuki 2013