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
                 Class Actinobacteriaᵀ Stackebrandt et al. 1997
                   1 Genus †Actinomycites D. Ellis (1916), incertae sedis
                   2.1.1 Order Frankiales Sen et al. 2014
                   2.1.2 Order Geodermatophilales Sen et al. 2014 [monotypic]
                   2.1.3 Order Nakamurellales Sen et al. 2014 [monotypic]
                   2.1.4 Order Acidothermales Sen et al. 2014 [monotypic]
                   2.2 Order Actinomycetalesᵀ Buchanan 1917 (Approved Lists 1980)
                   2.3 Order Kineosporiales Kämpfer 2015 [monotypic]
                   2.4 Order Micrococcales Prévot 1940 (Approved Lists 1980)
                   3 Order Bifidobacteriales Stackebrandt et al. 1997 [monotypic]