Sous-famille
Valide Éteint

Pachycephalosaurinae

Sereno 1997

Aucun résumé disponible en français.

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
cliquer pour agrandir
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 ↗
Classification
Dinosauria Clade non classé
›
Ornithischia Clade non classé
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Neornithischia Clade non classé
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Pyrodontia Clade non classé
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Cerapoda Clade non classé
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Marginocephalia Clade non classé
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Pachycephalosauria Sous-ordre
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Pachycephalosauridae Famille
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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