Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         "Lapideum Regnum" nom. inval. - mineral kingdom
           Class "Fossilia" nom. inval. - Lapides aggregati
             Order "Terrae"
               Genus "Argilla" - clay
                 1 "Argilla apyra"
                 2 "Argilla calcarea nivea"
                 3 "Argilla vitrescens, vitro subdiaphano"
                 4 "Argilla vitrescens tessulata"
                 5 "Argilla vitrescens rudis"
                 6 "Argilla vitrescens impalpabilis"