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 Arena - sand
               1 Arena qvartzosa - quartz sand
               1.0 Arena riparia see Arena qvartzosa
               2 Arena petrosa, vix palpabilis æqvalis
               2.0 Arena boraria see Arena petrosa, vix palpabilis aeqvalis
               3 Arena mixta & inæqvalis
               3.0 Sabulum see Arena mixta & inaeqvalis
               4 Arena micacea squamosa
               4.0 Arena aurea l. argent. see Arena micacea squamosa
               5 Arena ferrea atra
               5.0 Arena atra fluviatilis see Arena ferrea atra
               6 Arena aurea rubra
               6.0 Arena aurifera see Arena aurea rubra