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"
               1 Genus "Glarea"
               1 Genus "Marga"
               2 Genus "Ochra" - ochre
               3 Genus "Creta" - chalk
               4 Genus "Argilla" - clay
               5 Genus "Arena" - sand
               6 Genus "Humus" - soil