Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         "Lapideum Regnum" nom. inval. - mineral kingdom
           Class "Fossilia" nom. inval. - Lapides aggregati
             1 Order "Concreta" - rocks
             2 Order †"Petrificata" - fossils
             3 Order "Terrae"