Espèce
Valide Éteint

Stegoceras validum

(Lambe 1902)

Aucun résumé disponible en français.

Plage temporelle
Trias
Jurassique
Crétacé
Paléogène
Néogène
252 201 145 66 0 Ma
Occurrences PBDB
32
Groupe
Dinosaures
Herbivore Vivant au sol, grégaire Terrestre
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
Eupachycephalosauria Clade non classé
Stegoceras Genre
Stegoceras validum Espèce
Sites de découverte 32 sites géolocalisés
Répartition
Principaux pays
🇨🇦 Canada
22
🇺🇸 États-Unis
10
Formations géologiques
Oldman
2
Distribution temporelle
Campanien (83.6–72.2 Ma)
32
Synonymes (3)
Gravitholus albertae subjective synonym of Stegoceras validum
Stegoceras browni subjective synonym of Stegoceras validum
Troodon sternbergi subjective synonym of Stegoceras validum
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 (11)
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 ↗
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 ↗
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