After Sues & Norman, 1990, Weishampel & Heinrich, 1992, and Keesey, 1996-2000

Family-level taxonomy of Ornithopoda.

<==o †Ornithopoda Marsh, 1881b sensu Sereno, 1986
   |?-o †Jeholosauridae Han, Barrett, Butler & Xu, 2012
   |  |-- †Haya griva Makovicky, Kilbourne, Sadleir & Norell, 2011
   |  `--+-- †Jeholosaurus shangyuanensis Xu, Wang & You, 2000
   |     `-- †Changchunsaurus parvus Zan, Chen, Jin & Li, 2005
   `--o †Euornithopoda Sereno, 1986
      `==o †Hypsilophodontia Dollo, 1882 sensu Weishampel & Heinrich, 1992 [paraphyletic sensu Varricchio et al., 2007] (hypsilophodonts; gasellisaurit)
         `==o †Hypsilophodontidae Dollo, 1882 sensu Weishampel & Heinrich, 1992
            |--o Othnieliinae
            |  |?- †Drinker nisti Bakker, Siegwarth & Filla, 1990 [= Drinker copei?]
            |  |-- †Agilisaurus louderbacki Peng, 1992
            |  `--+-- †Yandusaurus hongheensis He, 1979
            |     `-- †Othnielosaurus consors (Marsh, 1894) Galton, 2007 [Laosaurus cursors Marsh, 1894] [incl.? †Drinker nisti Bakker, Siegwarth & Filla, 1990; = Drinker copei?]
            `--+--o †Zephyrosaurinae
               |  |?- †Koreanosaurus boseongensis Huh, Lee, Kim, Lim & Godefroit, 2011
               |  |-- †Oryctodromeus cubicularis Varricchio, Martin & Katsura, 2007
               |  `--+-- †Orodromeus makelai Horner & Weishampel, 1988
               |     `-- †Zephyrosaurus schaffi Sues, 1980
               `--o †Hypsilophodontinae
                  |--o †Thescelosaurus Gilmore, 1913 [incl.? Bugenasaura Galton, 1995]
                  |  |-- †T. neglectus Gilmore, 1913 [T. edmontonensis]
                  |  |-- †T. garbanii Morris, 1976 [Bugenasaura garbanii (Morris) Galton, 1995]
                  |  `-- †T. assiniboiensis Brown, Boyd, & Russell, 2011 [=? “T.” sp. (Morris, 1976)]
                  `--+-- †Parksosaurus warreni (Parks, 1926a) Sternberg, 1937 [Thescelosaurus warreni Parks, 1926a]
                     `--+-- †Bugenasaura garbanii (Morris, 1976) Galton, 1995 [Buganasaura infernalis Galton, 1995] [= Thescelosaurus garbanii Morris, 1976]
                        `--+-- †Hypsilophodon foxii Huxley, 1869
                           `--o Iguanodontoidea Dollo, 1888 sensu Weishampel & Heinrich, 1992
                              `--o †Iguanodontia Dollo, 1888 sensu Weishampel, & Heinrich, 1992, and McDonald et al., 2010
                                 |--o †Tenontosaurus Ostrom, 1970 [Tenontosauridae]
                                 |  |-- †T. tilletti Ostrom, 1970
                                 |  |-- †T. dossi Winkler, Murry & Jacobs, 1997
                                 |  `-- †T. sp.
                                 `--+--o †Rhabdodontidae Weishampel, Jianu, Csiki & Norman, 2003
                                    |  |?- †Mochlodon suessi Seeley, 1881 [Iguanodon suessi Bünzel, 1871]
                                    |  |-- †Muttaburrasaurus langdoni Bartholomai & Molnar, 1981 sensu McDonald, Kirkland, DeBlieux, Madsen, Cavin, Milner & Panzarin, 2010
                                    |  |--o †Rhabdodon Matheron, 1869
                                    |  |  |-- †R. priscus Matheron, 1869
                                    |  |  |-- †R. septimanicus Buffetaut & Le Loeuff, 1991
                                    |  |  `-- †R sp. [Villeveyrac Rhabdodon] [Weishampel, Jianu, Csiki & Norman, 2003]
                                    |  `--o †Zalmoxes Weishampel, Jianu, Csiki & Norman, 2003 [Mochlodon]
                                    |     |-- †Z. robustus (Nopsca, 1902) Weishampel, Jianu, Csiki & Norman, 2003 [Mochlodon robustus Nopsca, 1902]
                                    |     `-- †Z. shqiperorum Weishampel, Jianu, Csiki & Norman, 2003
                                    `-- †Iguanodontia Dollo, 1888 sensu Sereno, 1986

Ornithopoda incertae sedis:

Hypsilophodontidae genera et species indet. [Japan]
    †Siluosaurus zhanggiani Dong, 1997
    †Atlascopcosaurus loadsi Rich & Rich, 1989
    †Fulgurotherium australe Huene, 1932
    †Leaellynasaura amicagraphica Rich & Rich, 1989
    †Qantassaurus intrepidus Rich & Vickers-Rich, 1999
    †Notohypsilophodon comodorensis Martínez, 1998
    †Nanosaurus agilis Marsh, 1877b (nomen dubium)
    †Nanosaurus rex Marsh, 1877b [Othnielia rex (Marsh, 1877b) Galton, 1977b] (nomen dubium)
    †Laosaurus gracilis Marsh, 1878b (nomen dubium)
    †Telenkauen santacrucensis

Alternative phylogenies of Ornithopoda:

After Han, Barrett, Butler & Xu, 2012

<==o †Ornithopoda
   |--+-- †Orodromeus
   |  `-- †Zephyrosaurus
   `--+--o †Jeholosauridae
      |  |-- †Haya
      |  `--+-- †Jeholosaurus
      |     `-- †Changchunsaurus
      `--+-- †Hypsilophodon
         `--+-- †Thescelosaurus
            `--+-- †Telenkauen
               |--+-- †Parksosaurus
               |  `-- †Gasparinisaura
               `--+-- †Rhabdodontidae
                  `--+-- †Tenontosaurus
                     `--+-- †Dryosauridae
                        `-- †Ankylopollexia

Reference(s):

  • Han, F.-L., Barrett, P. M., Butler, R. J. & Xu, X., 2012: Postcranial Anatomy of Jeholosaurus shangyuanensis (Dinosauria, Ornithischia) from the Lower Cretaceous Yixian Formation of China.
    –Journal of Vertebrate Paleontology: Vol. 32, #6, pp. 1370-1395 [doi: 10.1080/02724634.2012.694385]

After Boyd, Brown, Scheetz & Clarke, 2009 [based on datamatrix by Varricchio et al. (2007)]

<==o †Ornithopoda
   |-- †Othnielosaurus
   `--+--+--+-- †Parksosaurus
      |  |  `-- †Thescelosaurus
      |  `--+-- †Oryctodromeus
      |     `--+-- †Orodromeus
      |        `-- †Zephyrosaurus
      `--+-- †Hypsilophodon
         `--+-- †Gasparinisaura
            `--+-- †Tenontosaurus
               `--+-- †Rhabdodontidae
                  `--+-- †Dryosauridae
                     `-- †Ankylopollexia

Reference(s):

  • Han, F.-L., Barrett, P. M., Butler, R. J. & Xu, X., 2012: Postcranial Anatomy of Jeholosaurus shangyuanensis (Dinosauria, Ornithischia) from the Lower Cretaceous Yixian Formation of China.
    –Journal of Vertebrate Paleontology: Vol. 32, #6, pp. 1370-1395 [doi: 10.1080/02724634.2012.694385]

Reference(s):