Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Animale Regnum nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Aves Plinius, nom. inval. - birds see Class Aves Linnaeus, 1758
           Order Gallinae nom. inval. see Order Gallinae Linnaeus, 1758
             Genus Struthio nom. inval. see Genus Struthio Linnaeus, 1758
             Genus "Strutio" nom. inval. see Genus Struthio nom. inval.
             Genus Casuarius nom. inval. see Genus Casuarius Brisson, 1760
             Genus Otis nom. inval. see Genus Otis Linnaeus, 1758
             Genus Pavo nom. inval. see Genus Pavo Linnaeus, 1758
             Genus Crax nom. inval. see Genus Crax Linnaeus, 1758
             Genus Meleagris nom. inval. see Genus Meleagris Linnaeus, 1758
             Genus Phasianus nom. inval. see Genus Phasianus Linnaeus, 1758
             Genus Tetrao nom. inval. see Genus Tetrao Linnaeus, 1758
             Genus Fulica nom. inval. see Genus Fulica Linnaeus, 1758
             Genus Gallus nom. inval. see Genus Gallus Brisson, 1760