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?]
             Phylum Acidobacteria Thrash and Coates 2012
               Class Holophagae Fukunaga et al. 2008
                 Order Holophagalesᵀ Fukunaga et al. 2008 [monotypic]
                   Family Holophagaceaeᵀ Fukunaga et al. 2008
                     1 Genus Geothrix Coates et al. 1999 [monotypic]
                     2 Genus Holophagaᵀ Liesack et al. 1995 [monotypic]