Genre

Valide Éteint

Pachyrhinosaurus

Sternberg 1950

Pachyrhinosaurus, en français, pachyrhinosaure est un genre éteint de dinosaures ornithischiens qui a vécu aux États-Unis et au Canada vers la fin du Crétacé supérieur il y a entre 73 et 68 millions d’années.

Plage temporelle

Trias

Jurassique

Crétacé

Paléogène

Néogène

252 201 145 66 0 Ma

Occurrences PBDB

Groupe

Dinosaures

Herbivore Vivant au sol Terrestre

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Wikimedia

PBDB ↗ Wikipedia ↗

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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Ceratopsia Sous-ordre

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Ceratopsidae Famille

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Centrosaurinae Sous-famille

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Pachyrhinosaurini Clade non classé

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Pachyrhinosaurus Genre

Sites de découverte 16 sites géolocalisés

Répartition

Principaux pays

🇨🇦 Canada

🇺🇸 États-Unis

Formations géologiques

Horseshoe Canyon

St. Mary River

Wapiti

Prince Creek

Summit Creek

Distribution temporelle

Maastrichtien (72.2–66 Ma)

Campanien (83.6–72.2 Ma)

Espèces (3)

Pachyrhinosaurus canadensis 84 Ma

Pachyrhinosaurus lakustai 84 Ma

Pachyrhinosaurus perotorum 72 Ma

Bibliographie

Description originale

C. M. Sternberg. 1950. Pachyrhinosaurus canadensis, representing a new family of the Ceratopsia, from southern Alberta. National Museum of Canada Bulletin 118:109-120 DOI ↗

Bibliographie (10)

D. C. Evans, D. A. Eberth, and M. J. Ryan. 2015. Hadrosaurid (Edmontosaurus) bonebeds from the Horseshoe Canyon Formation (Horsethief Member) at Drumheller, Alberta, Canada: geology, preliminary taphonomy, and significance. Canadian Journal of Earth Sciences 52:642-654 DOI ↗

A. R. Fiorillo and R. S. Tykoski. 2012. A new Maastrichtian species of the centrosaurine ceratopsid Pachyrhinosaurus from the North Slope of Alaska. Acta Palaeontologica Polonica 57(3):561-573 DOI ↗

P. J. Currie, W. Langston, and D. H. Tanke. 2008. A new species of Pachyrhinosaurus (Dinosauria, Ceratopsidae) from the Upper Cretaceous of Alberta, Canada. in A New Horned Dinosaur from an Upper Cretaceous Bone Bed in Alberta

E. B. Koppelhus. 2008. Palynology of the Wapiti Formation in the northwestern part of Alberta with special emphasis on a new Pachyrhinosaur bonebed. International Dinosaur Symposium in Fukui 2008: Recent Progress of the Study on Asian Dinosaurs and Paleoenvironments. Fukui Prefectural Dinosaur Museum, Fukui

F. Fanti, P. J. Currie, and S. Graber, K. Ormay, B. Hunt,. 2007. Exploration and discovery in northwest Alberta’s Peace Country. Alberta Palaeontological Society Bulletin 22(3):15-18

D. H. Tanke. 2004. Mosquitoes and mud: the 2003 Royal Tyrrell Museum of Palaeontology expedition to the Grande Prairie region (northwestern Alberta, Canada). Alberta Palaeontological Society Bulletin 19(2):3-31

W. A. Clemens. 1991. A latest Cretaceous, high paleolatitude mammalian fauna from the North Slope of Alaska. In Z. Kielan-Jaworowska, N. Heintz, & H. A. Nakrem (eds.), Fifth Symposium on Mesozoic Terrestrial Ecosystems and Biota, Extended Abstracts. Contributions from the Paleontological Museum, Unviersity of Oslo 364:15-16

W. Langston. 1975. The ceratopsian dinosaurs and associated lower vertebrates from the St. Mary River Formation (Maestrichtian) at Scabby Butte, southern Alberta. Canadian Journal of Earth Sciences 12:1576-1608 DOI ↗

W. Langston. 1968. A further note on Pachyrinosaurus (Reptilia: Ceratopsia). Journal of Paleontology 42(5):1303-1304

C. M. Sternberg. 1950. Pachyrhinosaurus canadensis, representing a new family of the Ceratopsia, from southern Alberta. National Museum of Canada Bulletin 118:109-120 DOI ↗