Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Amphibia nom. inval. - reptiles and amphibians see Class Amphibia Linnaeus, 1758
           Order Serpentia nom. inval. see Order Serpentes Linnaeus, 1758
             1 Genus Testudo nom. inval. see Genus Testudo Linnaeus, 1758
             2 Genus Rana nom. inval. see Genus Rana Linnaeus, 1758
             3 Genus Lacerta nom. inval. see Genus Lacerta Linnaeus, 1758
             4 Genus Anguis nom. inval. see Genus Anguis Linnaeus, 1758