prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class Actinobacteria Stackebrandt et al. 1997
         Order Actinomycetales Buchanan 1917 (Approved Lists 1980)
           Suborder Propionibacterineae Rainey et al. 1997
             Family Propionibacteriaceae Delwiche 1957 (Approved Lists 1980)
               01 Genus Aestuariimicrobium Jung et al. 2007
               02 Genus Arachnia Pine and Georg 1969 (Approved Lists 1980) see Genus Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)
               03 Genus Auraticoccus Alonso-Vega et al. 2011
               04 Genus Brooklawnia Rainey et al. 2006
               05 Genus Friedmanniella Schumann et al. 1997
               06 Genus Granulicoccus Maszenan et al. 2007
               07 Genus Luteococcus Tamura et al. 1994
               08 Genus Mariniluteicoccus Zhang et al. 2014
               09 Genus Microlunatus Nakamura et al. 1995
               10 Genus Micropruina Shintani et al. 2000
               11 Genus Naumannella Rieser et al. 2012
               12 Genus Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)
               13 Genus Propionicicella Bae et al. 2006
               14 Genus Propioniciclava Sugawara et al. 2011
               15 Genus Propionicimonas Akasaka et al. 2003
               16 Genus Propioniferax Yokota et al. 1994
               17 Genus Propionimicrobium Stackebrandt et al. 2002
               18 Genus Tessaracoccus Maszenan et al. 1999