Pachyrhinosaurus

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Pachyrhinosaurus
Temporal range: 73.5–69 Ma
Pachyrhinosaurus perotorum skeleton.jpg
P. perotorum mounted at the Perot Museum
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Family: Ceratopsidae
Subfamily: Centrosaurinae
Clade: Pachyrostra
Genus: Pachyrhinosaurus
Sternberg, 1950
Type species
Pachyrhinosaurus canadensis
Sternberg, 1950
Species

P. canadensis Sternberg, 1950
P. lakustai Currie, Langston & Tanke, 2008
P. perotorum Fiorillo & Tykoski, 2012

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.