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 Ovis Linnaeus, 1758 - sheep
                 Ovis Aries Linnaeus, 1758 - domestic sheep
                   1 Ovis Aries ruſtica Linnaeus, 1758
                   2 Ovis Aries anglica Linnaeus, 1758
                   3 Ovis Aries hiſpanica Linnaeus, 1758
                   4 Ovis Aries polycerat Linnaeus, 1758
                   5 Ovis Aries africana Linnaeus, 1758
                   6 Ovis Aries laticaudata Linnaeus, 1758