Imperium naturae C. Linnaeus, 1758 - nature
   Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
     Class Mammalia Linnaeus, 1758 - mammals
       Unguiculata Linnaeus, 1766
         Order Ferae Linnaeus, 1758 see Grandorder Ferae Linnaeus, 1758
           Genus Mustela Linnaeus, 1758 - weasels, ermines, stoats, minks, ferrets, and polecats