After Coombs, Weishampel & Witmer, 1990, Weishampel & Witmer, 1990, Sereno, 1991, Keesey, 1996-2000, Carpenter, 2002, and Xu et al., 2006
<==o †Ornithischia Seeley, 1888 [Predentata Marsh] (bird-hipped dinosaurs; nokkasaurit, linnunlanteiset dinosaurit) |?- †Pisanosaurus mertii Casamiquela, 1967 `--o †Fabrosauridae [paraphyletic grade of basal ornithischians] |?- †Stormbergia dangershoeki Butler, 2005 [= Lesothosaurus diagnosticus Galton, 1978 sensu Knoll et al., 2009] |-- †Eocursor parvus Butler, Smith & Norman, 2007 |-- †Xiaosaurus dashanpensis Dong & Tang, 1983; M.Jur. EAs. |-- †Fabrosaurus australis Ginsburg, 1964 sensu Sereno, 1991 [Lesothosaurus diagnosticus Galton, 1978; Lesothosaurus diagnisticus Ferigolo & Langer, 2006: 3 (lapsus calami); Stormbergia dangershoeki Butler, 2005 sensu Knoll et al., 2009] |--o †Gongbusaurus Dong, Zhou, & Zhang, 1983 | |?- †G. shiyii Dong, Zhou, & Zhang, 1983 | `-- †G. wucaiwanensis `--o †Genasauria Sereno, 1986 |--o †Thyreophora Nopsca, 1915 (shield-carriers; kilpeäkantavat) | |?- †Tatisaurus oehleri (Simmons, 1965) [Scelidosaurus oehleri Simmons, 1965] | |-- †Scutellosaurus lawleri Colbert, 1981 | `--o Thyreophoroidea Nopsca, 1915 [Enoplosauria] | |-- †Emausaurus ernsti Haubold, 1990 | `--o Eurypoda Sereno, 1986 [Stegosauria + Ankylosauria] | |-- †Stegosauria Marsh, 1877 (stegosaurs; laattaselät) | `--o †Ankylosauromorpha sensu Carpenter, 2001 (Armored-plated dinosaurs) | |-- †Scelidosaurus harrisonii Owen, 1861 | `-- †Ankylosauria Osborn, 1923a (Armored-plated dinosaurs; panssariselät) `--o †Cerapoda Cooper, 1985 sensu Barrett et al., 2005 [Neornithischia sensu Sereno, 1996] |?- †Hexinlusaurus multidens (He & Cai, 1983) Barrett, Butler & Knoll, 2005 [Yandusaurus multidens He & Cai, 1983; Agilisaurus multidens (He & Cai) Peng, 1990; Othnielia multidens (He & Cai) Paul, 1996]; M.Jur. EAs. |?- †Micropachycephalosaurus hongtuyanensis Dong, 1978 sensu Butler & Zhao, 2009 [Cerapoda incertae sedis] |--+-- †Jeholosaurus shangyuanensis Xu, Wang & You, 2000 | `-- †Ornithopoda Marsh, 1881b sensu Sereno, 1986 (bird-feet; linnunjalat) `--+-- †Agilisaurus louderbacki Peng, 1992 [paraphyletic Fabrosauridae] `--o †Heterodontosauriformes Xu, Forster, Clark & Mo, 2006 |-- †Heterodontosauridae Romer, 1966 `--o †Marginocephalia Sereno, 1986 (marginal-skulled; rajakalloiset) |-- †Pachycephalosauria (Sternberg, 1945) Marya´nska & Osmólska, 1974 (thick-headed dinosaurs; paksupäät) `-- †Ceratopsia Marsh, 1890 (horned dinosaurs; sarvinaamat)
Ornithischia incertae sedis:
†Alocodon kuehnei Thulborn, 1973 [nomen dubium, a tooth-taxa]
†Crosbysaurus harrisae Heckert, 2004; U.Trias. SWNA. [tooth-taxa]
†Galtonia gibbidens (Cope, 1878) Hunt & Lucas, 1994 [Thecodontosaurus gibbidens Cope, 1878] U.Trias. SWNA. [tooth-taxa]
†Krzyzanowskisaurus hunti (Heckert, 2002) Heckert, 2005 [Revueltosaurus hunti Heckert] U.Trias. SWNA. [tooth-taxa] [possibly jr. synon. of †Revueltosaurus callenderi Hunt, 1989 (Archosauria: Pseudosuchia: ?Suchia)]
†Lucianosaurus wildi Hunt & Lucas, 1994; U.Trias. SWNA. [tooth-taxa]
†Lusitanosaurus liasicus Lapparent & Zbyszewski, 1957
†Pekinosaurus olseni Hunt & Lucas, 1994; U.Trias. SWNA. [tooth-taxa]
†Phyllodon henkeli Thulborn, 1973
†Protecovasaurus lucasi Heckert, 2004; U.Trias. SWNA. [tooth-taxa]
†Taveirosaurus costai Antunes & Sigogneau-Russell, 1991 [tooth -taxa]
†Technosaurus smalli Chattarjee, 1984; U.Trias. SWNA. [tooth-taxa]
†Tecovasaurus murryi Hunt & Lucas, 1994; U.Trias. SWNA. [tooth-taxa]
†Trimucrodon cuneatus Thulborn, 1973 [tooth -taxa]
Reference(s):
- Barrett, P. M., Butler, R. J. & Knoll, F., 2005: Small-bodied ornithischian dinosaurs from the Middle Jurassic of Sichuan, China.
–Journal of Vertebrate Paleontology: Vol. 25, #4, pp. 823-834 - Butler, R. J., 2005: The ‘fabrosaurid’ ornithischian dinosaurs of the Upper Elliot Formation (Lower Jurassic) of South Africa and Lesotho.
–Zoological Journal of the Linnean Society: Vol. 145, #2, pp. 175-218 [http://search.epnet.com/login.aspx?direct=true&db=aph&an=18478341&scope=site] [from abstract] - Butler, R. J., Smith, R. M. H. & Norman, D. B., 2007: A primitive ornithischian dinosaur from the Late Triassic of South Africa, and the early evolution and diversification of Ornithischia.
–Proceedings of the Royal Society of London: Biological series: FirstCite e-publishing, pp. 1-6 [doi: 10.1098/rspb.2007.0367] - Butler, R. J. & Zhao, Q., 2009: The small-bodied ornithischian dinosaurs Micropachycephalosaurus hongtuyanensis and Wannanosaurus yansiensis from the Late Cretaceous of China.
–Cretaceous Research: Vol. 30, #1, pp. 63-77 [doi: 10.1016/j.cretres.2008.03.002] - Carpenter, K., 2002: Ankylosauromorpha – Armored-plated dinosaurs.
–iNet: The Tree of Life: http://tolweb.org/tree?group=Ankylosauromorpha&contgroup=Ornithischia - Coombs, W. P. Jr., Weishampel, D. B., & Witmer, L. M., 1990: Basal Thyreophora. 427-434
in Weishampel, D. B., Dodson, P., & Osmólska, H. (eds.), 1990: The Dinosauria.
–University of California Press, Berkley, Los Angeles, Oxford, 1990 xvi-733 - Godefroit, P. & Knoll, F., 2003: Late Triassic dinosaur teeth from southern Belgium.
[Dents de dinosaures du Trias supérieur de Lorraine belge].
–Comptes Rendus Palevol: Vol. 2, #1, pp. 3-11 - Ferigolo, J. & Langer, M. C., 2006: A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone.
–Historical Biology: Vol. 18, #Advanced Online Publication, pp. 1-11 - Heckert, A. B., 2002: A revision of the Upper Triassic ornithischian dinosaur Revueltosaurus, with description of a new species.
–New Mexico Museum of Natural History Bulletin: #21, pp. 253-268 - Heckert, A. B., 2004: Late Triassic microvertebrates from the lower Chinle Group (Otischalkian-Adamanian: Carnian), southwestern U.S.A.
–New Mexico Museum of Natural History and Science Bulletin: #27, pp. 1-170 - Heckert, A. B., 2005: Krzyzanowskisaurus, a new name for a probable ornithischian dinosaur from the Upper Triassic Chinle Group, Arizona and New Mexico, USA. pp. 77-83.
in Heckert, A. B. & Lucas, S. G., (eds.) 2005: Vertebrate Paleontology in Arizona.
”New Mexico Museum of Natural History and Science Bulletin: #29 - Hunt, A. P. & Lucas, S. G., 1994: Ornithischian dinosaurs from the Upper Triassic of the United States. 227-241.
in Fraser, N. C. & Sues, H.-D., (eds.) 1994: In the Shadow of the Dinosaurs.
–Cambridge University Press, New York, 1994, x-433 - Keesey, T. M., 1996-2000: The Dinosauricon
–iNet: The Dinosauricon: http://dinosauricon.com/ - Knoll, F., Padian, K. & de Ricqlès, A. J., 2009 (for 2010): Ontogenetic change and adult body size of the early ornithischian dinosaur Lesothosaurus diagnosticus: Implications for basal ornithischian taxonomy.
–Gondwana Research: Vol. 17, #1, pp. 171-179 [doi: 10.1016/j.gr.2009.03.010] - Sereno, P. C., 1991: Lesothosaurus, "fabrosaurids" and early evolution of Ornithischia.
–Journal of Vertebrate Paleontology: Vol. 11, #2, pp. 168-197 - Weishampel, D. B., & Witmer, L. M., 1990: Lesothosaurus, Pisanosaurus, and Technosaurus. 416-425.
in Weishampel, D. B., Dodson, P., & Osmólska, H. (eds.), 1990: The Dinosauria.
–University of California Press, Berkley, Los Angeles, Oxford, 1990 xvi-733 - Xu, X., Forster, C. A., Clark, J. M. & Mo, J., 2006: A basal ceratopsian with transitional features from the Late Jurassic of northwestern China.
–Proceedings of the Royal Society of London: Biological series: Early Online Publishing, pp. 1-6