Pachyrhinosaurus Temporal range:
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P. perotorum mounted at the Perot Museum | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Order: | †Ornithischia |
Family: | †Ceratopsidae |
Subfamily: | †Centrosaurinae |
Clade: | †Pachyrostra |
Genus: | †Pachyrhinosaurus Sternberg, 1950 |
Type species | |
†Pachyrhinosaurus canadensis Sternberg, 1950
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Species | |
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Pachyrhinosaurus was a large, plant-eating dinosaur that had a bony, spiked neck frill, four short legs, and a short tail. Pachyrhinosaurus was a short-frilled ceratopsian dinosaur that was 18 to 23 feet (5.5 to 7 m) long. Pachyrhinosaurus had many small horns on the middle of its frill.