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 Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980)
                 Class Erysipelotrichia Ludwig et al. 2010 [monotypic]
                   Order Erysipelotrichalesᵀ Ludwig et al. 2010 [monotypic]
                     Family Erysipelotrichaceaeᵀ Verbarg et al. 2004
                       Genus Coprobacillus Kageyama and Benno 2000 [monotypic]
                         Coprobacillus cateniformisᵀ corrig. Kageyama and Benno 2000