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
                   0 [Subclass Actinobacteridaeᵀ Stackebrandt et al. 1997] see Class Actinobacteria 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)
                   2.2. [Order Mycobacteriales Janke 1924 (Approved Lists 1980)] see Suborder Corynebacterineae Stackebrandt et al. 1997
                   2.3 Order Kineosporiales Kämpfer 2015 [monotypic]
                   2.4 Order Micrococcales Prévot 1940 (Approved Lists 1980)
                   3 Order Bifidobacteriales Stackebrandt et al. 1997 [monotypic]
                   n1 [Subclass Nitriliruptoridae Kurahashi et al. 2010] see Class Nitriliruptoria Ludwig et al. 2013
                   n2 [Subclass Acidimicrobidae Stackebrandt et al. 1997 [monotypic]] see Class Acidimicrobiia Norris 2013
                   n3 [Subclass Coriobacteridae Stackebrandt et al. 1997 [monotypic]] see Class Coriobacteriia König 2013
                   n4 [Subclass Rubrobacteridae Rainey et al. 1997] see Class Rubrobacteria Suzuki 2013