living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Bacteria (Haeckel 1894) see Domain Bacteria Woese et al. 1990
         "Actinomycetes and related organisms" see Phylum Actinobacteria Garrity and Holt 2001
           "Coryneform group" see Class Coryneform Bacteria
             Family Propionibacteriaceae Delwiche 1957 (Approved Lists 1980)
               Genus Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)
                 Propionibacterium acnes (sic) (Gilchrist 1900) Douglas and Gunter 1946 (Approved Lists 1980)