[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryota Margulis 1974 nom. nud.
     Kingdom Bacteria Cavalier-Smith 2002 stat. inval. - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
       Subkingdom Posibacteria Cavalier-Smith 1987 see Domain Bacteria Woese et al. 1990 stat. inval.
         Phylum Actinobacteria Garrity and Holt 2001 [monotypic] see Phylum Actinobacteria Goodfellow 2012 nom. inval.
           Class Actinobacteria Stackebrandt et al. 1997 nom. illeg. see Class Actinomycetes Krassilnikov 1949 (Approved Lists 1980)
             Order Actinomycetales Buchanan 1917 (Approved Lists 1980)