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 Pecora Linnaeus, 1758 see Infraorder Pecora Linnaeus, 1758
               Genus Bos Linnaeus, 1758 - oxen
                 1 Bos Taurus Linnaeus, 1758 - aurochs and domestic cattle
                 2 Bos Bonaſus Linnaeus, 1758 - wisent see Bison bonasus (C. Linnaeus, 1758)
                 3 Bos Biſon Linnaeus, 1758 - bison see Bison bison (C. Linnaeus, 1758)
                 4 Bos Bubalis Linnaeus, 1758 see Bubalus bubalis (Linnaeus, 1758)
                 5 Bos indicus Linnaeus, 1758 - zebu see Bos taurus indicus Linnaeus, 1758