Infraphylum Tetrapoda Goodrich, 1930 see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
   Superclass Amniota Haeckel, 1866 see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
     Paraclass Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
       Parasubclass Diapsida Osborn, 1903 [paraphyletic] - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
         Parainfraclass Archosauria Cope, 1869 [paraphyletic] see Clade Archosauria Cope 1869 [Gauthier & Padian 2020]
           Superorder †Ornithischia Seeley, 1887 see Order Ornithischia Seeley, 1887
             Order †Ornithopoda Marsh, 1881 see Infraorder Ornithopoda Marsh, 1881
               Family †Lambeosauridae Parks, 1923 see Subfamily Lambeosaurinae Parks, 1923
                 01 Genus †Bactrosaurus Gilmore, 1933
                 02 Genus †Barsboldia Maryanska & Osmólska, 1982
                 03 Paragenus †Corythosaurus Brown, 1914 [paraphyletic]
                 04 Genus †Hypacrosaurus Brown, 1913
                 05 Genus †Jaxartosaurus Riabinin, 1937
                 06 Genus †Lambeosaurus Parks, 1923
                 07 Genus †Nipponosaurus Nagao, 1936
                 08 Genus †Parasaurolophus Parks, 1922
                 09 Genus †Pteropelyx Cope, 1889, nom. dub.
                 10 Genus †Trachodon Leidy, 1856, nom. dub.