Natura - nature
Ref: C. Linnaeus, 1748: 210
   actualia - actual entities
  Ref: A. Voltolini, 2006: 44 (note 19) [assumed position]
     Mundus Plinius - physical world
    Ref: C. Linnaeus, 1758: 5 [indirect position]; 24 Apr 2014.
       naturalia - natural bodies
      Ref: C. Linnaeus, 1758: 6 [implicit position]
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        Ref: J. Wiemann et al., 2020: [13] [validation] [inferred position]
           [Domain] Bacteria Woese et al. 1990 [paraphyletic?]
          Ref: J. Wiemann et al., 2020: [13] [inferred rank]
             [Superphylum] Terrabacteria Battistuzzi et al. 2004
            Ref: D.H. Parks et al., 2017: fig. 2 [inferred rank]
               Phylum "Actinobacteria" Garrity and Holt 2001
              Ref: D.H. Parks et al., 2017: fig. 2
                 Class Actinobacteriaᵀ Stackebrandt et al. 1997
                Ref: J.P. Euzéby, 2016: [31 Aug 2017]
                   Order Actinomycetalesᵀ Buchanan 1917 (Approved Lists 1980)
                  Ref: J.P. Euzéby, 2016: [31 Aug 2017]
                     Suborder Pseudonocardineae Stackebrandt et al. 1997 [monotypic]
                    Ref: J.P. Euzéby, 2016: [2 Sep 2017]
                       Family Pseudonocardiaceaeᵀ Embley et al. 1989
                      Ref: J.P. Euzéby, 2016: [2 Sep 2017]
                         Genus Amycolatopsis Lechevalier et al. 1986
                        Ref: G.M. Garrity et al., 2007: 472
                           Amycolatopsis keratiniphila Al-Musallam et al. 2003
                          Ref: G.M. Garrity et al., 2007: 473
                             Amycolatopsis keratiniphila subsp. nogabecina Wink et al. 2003
                            Ref: G.M. Garrity et al., 2007: 473