Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Bacillotaᵀ Gibbons and Murray 2021
                 Class Erysipelotrichia Ludwig et al. 2010 [monotypic]
                   Order Erysipelotrichalesᵀ Ludwig et al. 2010
                     Family Erysipelotrichaceaeᵀ Verbarg et al. 2004
                       Genus "Merdibacter" Anani et al. 2019 nom. inval.