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 Helmintholithus nom. inval. - fossil 'worms'
               01 Helmintholithus Lumbrici nom. inval.
               01.0 Entrochus nom. inval. see Helmintholithus Lumbrici nom. inval.
               02 Helmintholithus Medusæ nom. inval.
               02.0 Asteria columnaris nom. inval. see Helmintholithus Medusae nom. inval.
               03 Helmintholithus Echini nom. inval.
               03.0 Echinites nom. inval. see Helmintholithus Echini nom. inval.
               04 Helmintholithus Echini spinæ nom. inval.
               04.0.1 Belemnites nom. inval. see Helmintholithus Echini spinae nom. inval.
               04.0.2 Lapis Lyncis offic. nom. inval. see Helmintholithus Echini spinae nom. inval.
               05 Helmintholithus Echini articuli spiniferi nom. inval.
               05.0 Judaicus Lapis nom. inval. see Helmintholithus Echini articuli spiniferi nom. inval.
               06 Helmintholithus Patellæ nom. inval.
               06.0 Nummus Brattinburgensis Stobaei, nom. inval. see Helmintholithus Patellae nom. inval.
               07 Helmintholithus Patellæ aut conchæ hinc planæ, inde gibbæ nom. inval.
               07.0 Hysterolithus nom. inval. see Helmintholithus Patellae aut conchae hinc planae, inde gibbae nom. inval.
               08 Helmintholithus Conchæ subrotundæ nom. inval.
               08.0 Conchites nom. inval. see Helmintholithus Conchae subrotundae nom. inval.
               09 Helmintholithus Conchæ hinc planæ, inde gibbæ nom. inval.
               09.0 Pectinites nom. inval. see Helmintholithus Conchae hinc planae, inde gibbae nom. inval.
               10 Helmintholithus Conchae lamellatae nom. inval.
               10.0 Ostracites nom. inval. see Helmintholithus Conchae lamellatae nom. inval.
               11 Helmintholithus Conchæ oblongæ nom. inval.
               11.0 Musculites nom. inval. see Helmintholithus Conchae oblongae nom. inval.
               12 Helmintholithus Cochleæ spira laterali nom. inval.
               12.0 Cochlites nom. inval. see Helmintholithus Cochleae spira laterali nom. inval.
               13 Helmintholithus Cochleæ spira centrali nom. inval.
               13.0 Nerites nom. inval. see Helmintholithus Cochleae spira centrali nom. inval.
               14 Helmintholithus Nautili recti nom. inval.
               14.0 Orthocerotes nom. inval. see Helmintholithus Nautili recti nom. inval.
               15 Nautili rotundati nom. inval.
               15.0 Nautilites nom. inval. see Nautili rotundati nom. inval.
               16 Helmintholithus Nautili compressi nom. inval.
               16.0 Cornu ammonis nom. inval. see Helmintholithus Nautili compressi nom. inval.