Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Lapideum - mineral kingdom
         Class Fossilia nom. inval. - Lapides aggregati
           Order Petrificata - fossils
             Genus Phytolithus nom. inval. - fossil plants
               1 Phytolithus ligni nom. inval. - petrified wood
               1.0 Lithoxylon nom. inval. - petrified wood see Phytolithus ligni nom. inval.
               2 Phytolithus folii nom. inval.
               2.0 Phytobiblion nom. inval. see Phytolithus folii nom. inval.
               3 Phytolithus seminis nom. inval.
               3.0 Pisolithus nom. inval. see Phytolithus seminis nom. inval.
               4 Phytolithus rami nom. inval.
               4.0 Pseudo-corallium nom. inval. see Phytolithus rami nom. inval.