Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Lapideum - mineral kingdom
         Class Petræ - stones
           Order Apyri - stones unchanged by fire
             Genus Ollaris
               1 Ollaris fibris acerosis friabilibus
               1.0 Lebetum Lapis see Ollaris fibris acerosis friabilibus
               2 Ollaris fibris acerosis rigidis
               2.0 Acerosus Lapis see Ollaris fibris acerosis rigidis
               3 Ollaris fibris e centro radiatis
               3.0 Radians Lapis see Ollaris fibris e centro radiatis
               4 Ollaris fibris fasciculatim inflexis
               4.0 Torosus Lapis see Ollaris fibris fasciculatim inflexis