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 Coriobacteriia König 2013
                   Order Eggerthellales Gupta et al. 2013 [monotypic]
                     Family Eggerthellaceaeᵀ Gupta et al. 2013
                       1 Genus Adlercreutzia Maruo et al. 2008 [monotypic]
                       2 Genus Asaccharobacter Minamida et al. 2008 [monotypic]
                       3 Genus Cryptobacterium Nakazawa et al. 1999 [monotypic]
                       4 Genus Denitrobacterium Anderson et al. 2000 [monotypic]
                       5 Genus Eggerthellaᵀ 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 [monotypic]
                       9 Genus Slackia Wade et al. 1999