Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
             Class Reptilia Linnaeus, 1758 - reptiles
               Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
                 Order †Pterosauria Kaup, 1834 - pterosaurs
                   Suborder †Pterodactylida
                     Family †Ornithocheiridae Seeley, 1870
                       1 Subfamily †Ornithocheirinae Seeley, 1870 see Family Ornithocheiridae Seeley, 1870
                       2 Subfamily †Pteranodontinae Marsh, 1876 see Family Pteranodontidae Marsh, 1876
                       3 Subfamily †Nyctosaurinae Williston, 1903 see Family Nyctosauridae Williston, 1903