Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         "Lapideum Regnum" nom. inval. - mineral kingdom
           Class "Petrae" - stones
             Order "Calcarii" - calcareous stones
               Genus "Marmor"
                 "Rudia"
                   "Marmor rude"