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 Catenisphaera Kanno et al. 2015
                       01 Genus Erysipelothrixᵀ Rosenbach 1909 (Approved Lists 1980)
                       02 Genus Allobaculum Greetham et al. 2006 [monotypic]
                       03 Genus Bulleidia Downes et al. 2000 [monotypic]
                       04 Genus Catenibacterium Kageyama and Benno 2000 [monotypic]
                       05 Genus Coprobacillus Kageyama and Benno 2000 [monotypic]
                       06 Genus Eggerthia Salvetti et al. 2011 [monotypic]
                       07 Genus Holdemania Willems et al. 1997 [monotypic]
                       08 Genus Kandleria Salvetti et al. 2011 [monotypic]
                       09 Genus Solobacterium Kageyama and Benno 2000 [monotypic]
                       10 Genus Turicibacter Bosshard et al. 2002 [monotypic]