Three Pachycephalosaurus spinifer were transported to the Atherton Estate in 2019, during the eruption of Mount Sibo.
spinifer were released into the wild, where they became an integral part of Isla Nublar's ecosystem. While nowhere near as large, it was a popular attraction by means of its high aggression, leading to anything an individual disapproved of being torn to shreds. A far cry from other ornithischians, this typically takes attackers by surprise, and resulted in at least two deaths during the Atherton Estate Incident.įollowing the popularity of Jurassic World's Pachy Arena, which featured Pachycephalosaurus wyomingensis, the smaller P. Rather than simply relying on its dome for self-defence, it takes a more direct approach, instead preferring to lunge directly at the attacker and begin violently biting and clawing at them.
The primary difference between the two species is P. Most notably, though, its teeth are sharper, an adaptation to a more omnivorous diet. Its head is proportionally slightly smaller, and the spines fringing its dome are much larger. wyomingensis, which is otherwise rather different in many respects. It shares its small arms and head dome with P.
Pachycephalosaurus spinifer is the smaller of the two Pachycephalosaurus species.
