Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Animale Regnum 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
             86 Genus Caecilia Linnaeus, 1748, nom. inval. see Genus Caecilia Linnaeus, 1758
             87 Genus Amphisbaena Linnaeus, 1748 see Genus Amphisbaena Linnaeus, 1758
             88 Genus Anguis nom. inval. see Genus Anguis Linnaeus, 1758
             89 Genus Coluber Linnaeus, 1748, nom. inval. see Genus Coluber Linnaeus, 1758
             90 Genus Cenchris Linnaeus, 1748 see Genus Cenchris Gronovius, 1763
             91 Genus Crotalophorus Linnaeus, 1748, nom. inval.