Procaryotic Genera
   Domain "Bacteria" Woese et al. 1990
     Phylum Actinobacteria Garrity and Holt 2001 [monotypic]
       Class Actinobacteria Stackebrandt et al. 1997
         Subclass Coriobacteridae Stackebrandt et al. 1997 [monotypic] see Class Coriobacteriia König 2013
           Order Coriobacteriales Stackebrandt et al. 1997 [monotypic]
             Suborder "Coriobacterineae" Garrity & Holt, 2001 [monotypic]
               Family Coriobacteriaceae Stackebrandt et al. 1997
                 1 Genus Coriobacterium Haas and König 1988
                 2 Genus Atopobium Collins and Wallbanks 1993
                 3 Genus Collinsella Kageyama et al. 1999
                 4 Genus Cryptobacterium Nakazawa et al. 1999
                 5 Genus Denitrobacterium Anderson et al. 2000
                 6 Genus Eggerthella Wade et al. 1999
                 7 Genus Slackia Wade et al. 1999