Classification
Dinosauria
Clade non classé
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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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Eupachycephalosauria
Clade non classé
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Stegoceras
Genre
Sites de découverte 46 sites géolocalisés
Répartition
Principaux pays
Formations géologiques
Distribution temporelle
Maastrichtien
(72.2–66 Ma)
2
Campanien
(83.6–72.2 Ma)
44
Espèces (5)
Stegoceras novomexicanum
84 Ma
Stegoceras validum
84 Ma
Synonymes (3)
Gravitholus
subjective synonym of Stegoceras
Hanssuessia
subjective synonym of Stegoceras
Ornatotholus
subjective synonym of Stegoceras
Bibliographie
Description originale
L. M. Lambe. 1902. New genera and species from the Belly River Series (mid-Cretaceous). Geological Survey of Canada Contributions to Canadian Palaeontology 3(2):25-81
Bibliographie (15)
S. L. Wick and T. M. Lehman. 2024. A rare ‘flat-headed’ pachycephalosaur (Dinosauria: Pachycephalosauridae) from West Texas, USA, with morphometric and heterochronic considerations. Geobios 86(78):89–106
DOI ↗
S. E. Jasinski and R. M. Sullivan. 2011. Re-evaluation of pachycephalosaurids from the Fruitland-Kirtland transition (Kirtlandian, late Campanian), San Juan Basin, New Mexico, with a description of a new species of Stegoceras and a reassessment of Texacephale langstoni. Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:202-215
R. M. Sullivan and S. G. Lucas. 2006. The pachycephalosaurid dinosaur Stegoceras validum from the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico. Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:329-330
R. M. Sullivan. 2003. Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae). Journal of Vertebrate Paleontology 23(1):181-207
DOI ↗
J. E. Storer. 1993. Additions to the mammalian paleofauna of Saskatchewan. Modern Geology 18(4):475-487
M. B. Goodwin. 1990. Morphometric landmarks of pachycephalosaurid cranial material from the Judith River Formation of northcentral Montana. Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge
DOI ↗
A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142
M. B. Goodwin. 1989. New occurrences of pachycephalosaurid dinosaurs from the Hell Creek Formation, Garfield County, Montana. Journal of Vertebrate Paleontology 9(3, suppl.):23A
P. M. Galton and H.-D. Sues. 1983. New data on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America. Canadian Journal of Earth Sciences 20(3):462-472
DOI ↗
W. P. Wall and P. M. Galton. 1979. Notes on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America, with comments on their status as ornithopods. Canadian Journal of Earth Sciences 16:1176-1186
DOI ↗
A. Sahni. 1972. The vertebrate fauna of the Judith River Formation, Montana. Bulletin of the American Museum of Natural History 147(6):321-412
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
C. W. Gilmore. 1924. On Troodon validus, an orthopodous dinosaur from the Belly River Cretaceous of Alberta, Canada. Department of Geology, University of Alberta Bulletin 1:1-43
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
L. M. Lambe. 1902. New genera and species from the Belly River Series (mid-Cretaceous). Geological Survey of Canada Contributions to Canadian Palaeontology 3(2):25-81