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 Order Actinomycetalesᵀ Buchanan 1917 (Approved Lists 1980) Suborder Propionibacterineae Rainey et al. 1997 Family Propionibacteriaceaeᵀ Delwiche 1957 (Approved Lists 1980) Genus Propionibacteriumᵀ Orla-Jensen 1909 (Approved Lists 1980) Propionibacterium freudenreichii van Niel 1928 (Approved Lists 1980) 1 Propionibacterium freudenreichii subsp. freudenreichiiᵀ (van Niel 1928) Moore and Holdeman 1970 (Approved Lists 1980) 2 Propionibacterium freudenreichii subsp. shermanii (van Niel 1928) Holdeman and Moore 1970 (Approved Lists 1980)