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 †"Petrificata" - fossils
               Genus †"Helmintholithus" nom. inval. - fossil 'worms'
                 01 †"Helmintholithus Lumbrici" nom. inval.
                 02 †"Helmintholithus Medusae" nom. inval.
                 03 †"Helmintholithus Echini" nom. inval.
                 04 †"Helmintholithus Echini spinae" nom. inval.
                 05 †"Helmintholithus Echini articuli spiniferi" nom. inval.
                 06 †"Helmintholithus Patellae" nom. inval.
                 07 †"Helmintholithus Patellae aut conchae hinc planae, inde gibbae" nom. inval.
                 08 †"Helmintholithus Conchae subrotundae" nom. inval.
                 09 †"Helmintholithus Conchae hinc planae, inde gibbae" nom. inval.
                 10 †"Helmintholithus Conchæ lamellatæ" nom. inval.
                 11 †"Helmintholithus Conchae oblongae" nom. inval.
                 12 †"Helmintholithus Cochleae spira laterali" nom. inval.
                 13 †"Helmintholithus Cochleae spira centrali" nom. inval.
                 14 †"Helmintholithus Nautili recti" nom. inval.
                 15 †"Nautili rotundati" nom. inval.
                 16 †"Helmintholithus Nautili compressi" nom. inval.