prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Actinobacteria" Garrity and Holt 2001
       Class Coriobacteriia König 2013
         Order Eggerthellales Gupta et al. 2013 [monotypic]
           Family Eggerthellaceae Gupta et al. 2013
             1 Genus Adlercreutzia Maruo et al. 2008
             2 Genus Asaccharobacter Minamida et al. 2008
             3 Genus Cryptobacterium Nakazawa et al. 1999
             4 Genus Denitrobacterium Anderson et al. 2000
             5 Genus Eggerthella Wade et al. 1999
             6 Genus Enterorhabdus Clavel et al. 2009
             7 Genus Gordonibacter Würdemann et al. 2009
             8 Genus Paraeggerthella Würdemann et al. 2009
             9 Genus Slackia Wade et al. 1999