Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Vermes nom. inval. - vermin see Class Vermes Linnaeus, 1758
           Order Testacea nom. inval. see Order Testacea Linnaeus, 1758
             Genus Dentalium nom. inval. see Genus Dentalium Linnaeus, 1758
               1 Dentalium nom. inval.
               2 Entalium nom. inval.
               3 Tubus vermicul. nom. inval.