Imperium naturae C. Linnaeus, 1758 - nature
   Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
     Class Mammalia Linnaeus, 1758 - mammals
       Ungulata Linnaeus, 1766
         Order Pecora Linnaeus, 1758 see Infraorder Pecora Linnaeus, 1758
           27 Genus Camelus Linnaeus, 1758 - camels
           28 Genus Moschus Linnaeus, 1758 - musk deer
           29 Genus Cervus Linnaeus, 1758 - red deer
           30 Genus Capra Linnaeus, 1758 - goats
           31 Genus Ovis Linnaeus, 1758 - sheep
           32 Genus Bos Linnaeus, 1758 - oxen