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]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           [Division Protophyta Sachs 1874 - primitive plants]
                             Class Schizomycetes Nägeli 1857 (Approved Lists 1980) - bacteria and related forms
                               [Order Eubacteriales Buchanan 1917 (Approved Lists 1980)] see Order Clostridiales Prévot 1953 (Approved Lists 1980)
                                 [Family Proprionibacteriaceae]
                                   [Genus "Butyribacterium"]
                                     ["Butyribacterium rettgeri" Barker and Haas 1944]