The massive lump of bone on the nose of Pachyrhinosaurus gives the impression that it was a horned dinosaur with no significant horn.
The bony mass may have been used as a battering ram when sparring, or as the base of a massive horn built of keratin that has not fossilzed.
- Pronounced: pack-ee-RINE-oh-SAWR-us
- Means: Thick-nosed lizard
- Where: North America (Alberta, Alaska)
- When: Late Cretaceous
- Diet: Herbivorous
- Size of Adult: 23 ft (7 m) long
- Size of Static Model: L 12 ft (3.66 m), H 4 ft 8 in (1.42 m)*
* includes height of steel base