Systema naturæ - nature
Count: -
   Universum - universe see [unranked] Mundus Plinius
  Count: -
     naturalia - natural bodies
    Count: [g] 3k;33c;132o;1008g;778s
       Regnum Lapideum - mineral kingdom
      Count: [g] 3c;9o;50g;234s
         Class Petræ - stones
        Count: -
           Order Calcarii - calcareous stones
          Count: [*] 3g;19s
             Genus Schistus
            Count: [*] 4s
               1 Schistus cinereus
              Count: -
               1.0 Fissilis inutilis see Schistus cinereus
              Count: -
               2 Schistus nigricans friabilis
              Count: -
               2.0 Fissilis vulgaris see Schistus nigricans friabilis
              Count: -
               3 Schistus niger duriusculus
              Count: -
               3.0 Fissilis Lapis see Schistus niger duriusculus
              Count: -
               4 Schistus niger durus clangosus
              Count: -
               4.0 Ardesia tegularis see Schistus niger durus clangosus
              Count: -