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 Genus Elephas nom. inval. see Genus Elephas Linnaeus, 1758 Elephas Plinius, nom. inval. see Genus Elephas nom. inval.