Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Kingdom "Procaryotae" Murray 1968 (Approved Lists 1980) stat. inval.] see Domain Bacteria Woese et al. 1990 stat. inval.