Animalia Linnaeus, 1758 - animals
   Enterozoa
     Cœlomata
       Vertebrata Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
         Craniata Linnaeus, 1758
           Gnathostoma
             Pentadactyla lipobranchia
               Monocondyla
                 Reptilia Linnaeus, 1758 - reptiles
                   Ornithoscelida (Huxley, 1870)
                     Megalosaurus Buckland, 1822