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
           11 Genus Phoca Linnaeus, 1758 - harbor, ringed, harp, and ribbon seals
           12 Genus Canis Linnaeus, 1758 - dogs, wolves, coyotes, and jackals
           13 Genus Felis Linnaeus, 1758 - small cats, lynxes, and cougar
           14 Genus Viverra Linnaeus, 1758 - oriental civets
           15 Genus Mustela Linnaeus, 1758 - weasels, ermines, stoats, minks, ferrets, and polecats
           16 Genus Ursus Linnaeus, 1758 - black, brown, polar, sun, and sloth bears
           17 Genus Didelphis Linnaeus, 1758 - large American opossums
           18 Genus Talpa Linnaeus, 1758 - Old World moles
           19 Genus Sorex Linnaeus, 1758 - long-tailed shrews
           20 Genus Erinaceus Linnaeus, 1758 - Eurasian hedgehogs