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 Chloroflexi Garrity and Holt 2001
                 Class Ardenticatenia Kawaichi et al. 2013 [monotypic]
                   Order Ardenticatenalesᵀ Kawaichi et al. 2013 [monotypic]
                     Family Ardenticatenaceaeᵀ Kawaichi et al. 2013 [monotypic]
                       Genus Ardenticatenaᵀ Kawaichi et al. 2013 [monotypic]
                         1 Ardenticatena maritimaᵀ Kawaichi et al. 2013