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 Rubrobacteria Suzuki 2013
                   Order Solirubrobacterales Reddy and Garcia-Pichel 2009
                     Family Conexibacteraceae Stackebrandt 2005 [monotypic]
                       Genus Conexibacterᵀ Monciardini et al. 2003
                         1 Conexibacter woeseiᵀ Monciardini et al. 2003
                         2 Conexibacter arvalis Seki et al. 2012