Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Mammalia Linnaeus, 1758 - mammals
           Quadrupedia Linnaeus, 1758 see Class Mammalia Linnaeus, 1758
             Order Feræ Linnaeus, 1758 see Grandorder Ferae Linnaeus, 1758
               Genus Muſtela Linnaeus, 1758 - weasels, ermines, stoats, minks, ferrets, and polecats
                 Muſtela Erminea Linnaeus, 1758 - ermine
                   Muſtela Erminea β Linnaeus, 1758