Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Animale Regnum nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Qvadrupedia nom. inval. see Class Mammalia Linnaeus, 1758
           Order Jumenta nom. inval. see Class Mammalia Linnaeus, 1758
             24 Genus Elephas nom. inval. see Genus Elephas Linnaeus, 1758
             25 Genus Rhinoceros nom. inval. see Genus Rhinoceros Linnaeus, 1758
             26 Genus Hippopotamus nom. inval. see Genus Hippopotamus Linnaeus, 1758
             27 Genus Equus nom. inval. see Genus Eqvus Linnaeus, 1758
             27.0 Genus Eqvus nom. inval. see Genus Equus nom. inval.
             28 Genus Sus nom. inval. see Genus Sus Linnaeus, 1758