Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Quadrupedia nom. inval. - quadrupeds see Class Mammalia Linnaeus, 1758
           Order Pecora nom. inval. see Order Pecora Linnaeus, 1758
             Genus Bos nom. inval. see Genus Bos Linnaeus, 1758
               1 Bos nom. inval.
               2 Urus nom. inval.
               3 Bison nom. inval.
               4 Bubalus nom. inval.