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Pachycephalosaurinae

Sereno 1997

Les Pachycephalosauridae est un clade de dinosaures ornithischiens. Les genres les plus connus sont Pachycephalosaurus, et Stegoceras.

Plage temporelle
Trias
Jurassique
Crétacé
Paléogène
Néogène
252 201 145 66 0 Ma
Occurrences PBDB
18
Groupe
Dinosaures
Herbivore Vivant au sol, grégaire Terrestre
Pachycephalosaurinae
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Montage of four pachycephalosaurs. Clockwise from top left: Stegoceras, Prenocephale, Pachycephalosaurus and Homalocephale. These files are already on Commons with their respective licenses. This montage was made for the article Pachycephalosauria on Wikipedia. File:Stegoceras mount.jpg File:Dinosauria - Prenocephale.jpg File:Fossil Pachycephalosaurus.jpg File:Homalocephale skull.jpg © PaleoNeolitic (montage creator) Lewis Kelly Tylwyth Eldar Momotarou2012 FunkMonk · CC BY 4.0 · Wikimedia

Légende en anglais — traduction française non disponible.

PBDB Wikipedia
Classification
Dinosauria Clade non classé
Ornithischia Clade non classé
Neornithischia Clade non classé
Pyrodontia Clade non classé
Cerapoda Clade non classé
Marginocephalia Clade non classé
Pachycephalosauria Sous-ordre
Pachycephalosauridae Famille
Pachycephalosaurinae Sous-famille
Sites de découverte 18 sites géolocalisés
Répartition
Principaux pays
🇨🇦 Canada
11
🇺🇸 États-Unis
7
Formations géologiques
Oldman
1
Distribution temporelle
Maastrichtien (72.2–66 Ma)
5
Campanien (83.6–72.2 Ma)
12
Santonien (85.7–83.6 Ma)
1
Images 1
Bibliographie
Description originale
P. C. Sereno. 1997. The origin and evolution of dinosaurs. Annual Review of Earth and Planetary Sciences 25:435-489 DOI ↗
Bibliographie (9)
D. C. Woodruff, J. R. Horner, and M. B. Goodwin, D. C. Evans. 2025. The first pachycephalosaurid from the Late Cretaceous Two Medicine Formation: effects of the Western Interior Seaway on North American pachycephalosaurid evolution. Zoological Journal of the Linnean Society 205(2):zlaf087 DOI ↗
J. R. Horner, M. B. Goodwin, and D. C. Evans. 2023. A new pachycephalosaurid from the Hell Creek Formation, Garfield County, Montana, U.S.A. Journal of Vertebrate Paleontology 42(4):e2190369:1-14 DOI ↗
D. C. Woodruff, R. K. Schott, and D. C. Evans. 2023. Two new species of small-bodied pachycephalosaurine (Dinosauria, Marginocephalia) from the uppermost Cretaceous of North America suggest hidden diversity in well-sampled formations. Papers in Palaeontology 9(6):e1535 DOI ↗
B. Moore. 2021. The Postcranial Anatomy of Pachycephalosaurs (Ornithischia: Pachycephalosauria) and Its Phylogenetic and Myological Implications. DOI ↗
J. C. Mallon, D. C. Evans, and T. T. Tokaryk, M. L. Currie. 2015. First pachycephalosaurid (Dinosauria: Ornithischia) from the Frenchman Formation (upper Maastrichtian) of Saskatchewan, Canada. Cretaceous Research 56:426-431 DOI ↗
D. C. Evans, R. K. Schott, and D. W. Larson, C. M. Brown, M. J. Ryan. 2013. The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs. Nature Communications 4:1828 DOI ↗
T. E. Williamson and T. D. Carr. 2003. A new genus of derived pachycephalosaurian from western North America. Journal of Vertebrate Paleontology 22(4):779-801 DOI ↗
B. Brown and E. M. Schlaikjer. 1943. A study of the troödont dinosaurs with the description of a new genus and four new species. Bulletin of the American Museum of Natural History 82(5):115-150
L. M. Lambe. 1918. The Cretaceous genus Stegoceras typifying a new family referred provisionally to the Stegosauria. Proceedings and Transactions of the Royal Society of Canada, series 3 12:23-36