^Madzia, D.; Arbour, V.M.; Boyd, C.A.; Farke, A.A.; Cruzado-Caballero, P.; Evans, D.C. (2021). "The phylogenetic nomenclature of ornithischian dinosaurs". PeerJ. 9: e12362. doi:10.7717/peerj.12362.{{cite journal}}: CS1 maint: unflagged free DOI (link)
^Seeley, H.G. (1888). "On the classification of the fossil animals commonly named Dinosauria". Proceedings of the Royal Society of London. 43 (258–265): 165–171. doi:10.1098/rspl.1887.0117.
^Sereno, P.C. (1986). "Phylogeny of the Bird-Hipped Dinosaurs (Ornithischia)". National Geographic Research. 2 (2): 234–256.
^Butler, R.J.; Upchurch, P.; Norman, D.B. (2008). "The phylogeny of the ornithischian dinosaurs". Journal of Systematic Palaeontology. 6 (1): 1–40. doi:10.1017/S1477201907002271.
^Norman, D.B.; Baron, M.G.; Garcia, M.S.; Müller, R.T. (2022). "Taxonomic, palaeobiological and evolutionary implications of a phylogenetic hypothesis for Ornithischia (Archosauria: Dinosauria)". Zoological Journal of the Linnean Society. 196 (4): 1273–1309. doi:10.1093/zoolinnean/zlac062.
^Cope, E.D. (1866). "The anomalous relations existing between the tibia and fibula in certain of the Dinosauria". Proceedings of the Academy of Natural Sciences of Philadelphia. 18: 316–317.
^Marsh, O.C. (1894). "The typical Ornithopoda of the American Jurassic". American Journal of Science. 48: 85–90.
^Marsh, O.C. (1881). "Principal characters of the American Jurassic Dinosaurs". American Journal of Science. 21 (3): 417–423.
^Romer, A.S. (1966). "Dinosaurs". Vertebrate Paleontology (3rd ed.). University of Chicago Press. pp. 148–163. ISBN0-7167-1822-7.
^Kuhn, O. (1946). "Das System der fossilen und rezenten Amphibien und Reptilien". Bericht der Naturforschenden Gesellschaft in Bamberg. 29: 49–67.
^Bakker, R.T.; Galton, P.M. (1974). "Dinosaur Monophyly and a New Class of Vertebrates". Nature. 248: 168–172. doi:10.1038/248168a0.
^Milner, A.R.; Norman, D.B. (1984). "The biogeography of advanced ornithopod dinosaurs (Archosauria: Ornithischia) - a cladistic-vicariance model". In Reif, W.E.; Westphal, F. (eds.). Third Symposium on Mesozoic Terrestrial Ecosystems, Short Papers. ATTEMPTO Verlag. pp. 145–150.
^Norman, D.B. (1984). "A systematic reappraisal of the reptile order Ornithischia". In Reif, W.E.; Westphal, F. (eds.). Third Symposium on Mesozoic Terrestrial Ecosystems, Short Papers. ATTEMPTO Verlag. pp. 157–162.
^Norman, D.B. (1984). "On the Cranial Morphology and Evolution of Ornithopod Dinosaurs". In Ferguson, M.W.J. (ed.). The Structure, Development, and Evolution of Reptiles. Vol. 52. Symposia of the Zoological Society of London. pp. 521–547.
^Sereno, P.C. (1984). "Thy phylogeny of the Ornithischia : a reappraisal". In Reif, W.E.; Westphal, F. (eds.). Third Symposium on Mesozoic Terrestrial Ecosystems, Short Papers. ATTEMPTO Verlag. pp. 219–226.
^Dieudonné, P.-E.; Cruzado-Caballero, P.; Godefroit, P.; Tortosa, T. (2021). "A new phylogeny of cerapodan dinosaurs". Historical Biology. 33 (10): 2335–2355. doi:10.1080/08912963.2020.1793979.
^Dzik, J. (2003). "A beaked herbivorous archosaur with dinosaur affinities from the early Late Triassic of Poland". Journal of Vertebrate Paleontology. 23 (3): 556–574.
^Ferigolo, J.; Langer, M.C. (2007). "A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone". Historical Biology. 19 (1): 23–33. doi:10.1080/08912960600845767.
^Cabreira, S.F.; Kellner, A.W.A.; Dias-da-Silva, S.; da Silva, L.R.; Bronzati, M.; Marsola, J.C.A.; Müller, R.T.; Bittencourt, J.S.; Batista, B.J.A.; Raugust, T.; Carrilho, R.; Brodt, A.; Langer, M.C. (2016). "A Unique Late Triassic Dinosauromorph Assemblage Reveals Dinosaur Ancestral Anatomy and Diet". Current Biology. 26 (22): 3090–3095. doi:10.1016/j.cub.2016.09.040.
^Müller, R.T.; Garcia, M.S. (2020). "A paraphyletic 'Silesauridae' as an alternative hypothesis for the initial radiation of ornithischian dinosaurs". Biology Letters. 16 (8): 1–5. doi:10.1098/rsbl.2020.0417.
^Baron, M.G.; Norman, D.B.; Barrett, P.M. (2017). "A new hypothesis of dinosaur relationships and early dinosaur evolution". Nature. 543: 501–506. doi:10.1038/nature21700.
^Parry, L.A.; Baron, M.G.; Vinther, J. (2017). "Multiple optimality criteria support Ornithoscelida". Royal Society Open Science. 4 (10): 170833. doi:10.1098/rsos.170833.
^Parker, W.G.; Irmis, R.B.; Nesbitt, S.J.; Martz, J.W.; Browne, L.S. (2005). "The Late Triassic pseudosuchian Revueltosaurus callenderi and its implications for the diversity of early ornithischian dinosaurs". Proceedings of the Royal Society B. 272: 963–969. doi:10.1098/rspb.2004.3047.
^Sternberg, C.M. (1945). "Pachycephalosauridae Proposed for Dome-Headed Dinosaurs, Stegoceras lambei, n. sp., Described". Journal of Paleontology. 19 (5): 534–538.
^Nesbitt, S.J.; Sues, H.-D. (2021). "The osteology of the early-diverging dinosaur Daemonosaurus chauliodus (Archosauria: Dinosauria) from the Coelophysis Quarry (Triassic: Rhaetian) of New Mexico and its relationships to other early dinosaurs". Zoological Journal of the Linnean Society. 191 (1): 150–179. doi:10.1093/zoolinnean/zlaa080.
^Weishampel, D.B.; Barrett, P.M.; Coria, R.A.; Le Loeufff, J.; Xu, X.; Zhao, X.; Sahni, A.; Gomani, E.P.M.; Noto, C.R. (2004). "Dinosaur Distribution". In Weishampel, D.B.; Osmólska, H.; Dodson, P. (eds.). The Dinosauria (2nd ed.). University of California Press. pp. 517–606. ISBN0-520-24209-2.
^Fastovsky, D.E.; Smith, J.B. (2004). "Dinosaur Paleoecology". In Weishampel, D.B.; Osmólska, H.; Dodson, P. (eds.). The Dinosauria (2nd ed.). University of California Press. pp. 614–626. ISBN0-520-24209-2.