Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Lapideum - mineral kingdom
         Class Fossilia nom. inval. - Lapides aggregati
           Order Terræ
             Genus Humus - soil
               Humus conchacea - shell lime see Humus animalis, conchae laevis oblongae