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
           Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
             Family Actinomycetaceae Buchanan 1918 (Approved Lists 1980)
               1 Genus Actinomyces Harz 1877 (Approved Lists 1980)
               2 Genus Arachnia Pine and Georg 1969 (Approved Lists 1980) see Genus Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)
               3 Genus Bifidobacterium Orla-Jensen 1924 (Approved Lists 1980)
               4 Genus Rothia Georg and Brown 1967 (Approved Lists 1980)
               5 Genus Bacterionema Gilmour et al. 1961 (Approved Lists 1980) see Genus Corynebacterium Lehmann and Neumann 1896 (Approved Lists 1980)
               6 Genus Oerskovia Prauser et al. 1970 (Approved Lists 1980)
               7 Genus Agromyces Gledhill and Casida 1969 (Approved Lists 1980)