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 Jumenta nom. inval. see Class Mammalia Linnaeus, 1758
             1 Genus Equus nom. inval. see Genus Eqvus Linnaeus, 1758
             2 Genus Hippopotamus nom. inval. see Genus Hippopotamus Linnaeus, 1758
             3 Genus Elephas nom. inval. see Genus Elephas Linnaeus, 1758
             4 Genus Sus nom. inval. see Genus Sus Linnaeus, 1758