Pachyrhinosaurus
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.
| Pachyrhinosaurus | |
|---|---|
| |
| P. perotorum mounted at the Perot Museum | |
Scientific classification 
| |
| Unrecognized taxon (fix): | Pachyrhinosaurus |
| Type species | |
| †Pachyrhinosaurus canadensis Sternberg, 1950
| |
| Species | |
Pachyrhinosaurus Media
Skulls of the three species compared: P. perotorum (with inaccurate epiparietal placement), P. canadensis, and P. lakustai
Size comparison of P. canadensis
Restoration of P. lakustai
TMP 2002.76.1, which may be a specimen of Pachyrhinosaurus, Achelousaurus, or a new taxon, in Royal Tyrrell Museum
Cranial Reconstruction of Machairoceratops cronusi (UMNH VP 20550).
Avaceratops skull diagram
Nasutoceratops skull diagram
Wendiceratops skull diagram
Albertaceratops skull diagram
