prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Actinobacteria" Garrity and Holt 2001 see Phylum Actinobacteria Goodfellow 2012 nom. inval.
       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 see Genus Adlercreutzia Maruo 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 see Genus Adlercreutzia Maruo et al. 2008
             7 Genus Gordonibacter Würdemann et al. 2009
             8 Genus Paraeggerthella Würdemann et al. 2009
             9 Genus Slackia Wade et al. 1999