From Simple English Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Temporal range: 73.5–68.5 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

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.