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 Beſtiæ Linnaeus, 1758 - beasts
               Genus Sus Linnaeus, 1758 - Eurasian pigs
                 1 Sus Scrofa Linnaeus, 1758 - wild boar
                 2 Sus Porcus Linnaeus, 1758 see Potamochoerus porcus (C. Linnaeus, 1758)
                 3 Sus Tajacu Linnaeus, 1758 see Tayassu tajacu (C. Linnaeus, 1758)
                 4 Sus Babyrusſa Linnaeus, 1758 see Babyrousa babyrussa (C. Linnaeus, 1758)