What are Pachycephalosaurs?
Q: What are Pachycephalosaurs?
A: Pachycephalosaurs are a group of ornithopod dinosaurs in the suborder Cerapoda.
Q: What were the thick round skulls of Pachycephalosaurs used for?
A: The thick round skulls of Pachycephalosaurs were used for defence and probably for mating contests.
Q: What type of animals were Pachycephalosaurs?
A: Pachycephalosaurs were bipedal herbivores.
Q: What is the difference between flat-headed and dome-headed Pachycephalosaurs?
A: The flat-headed Pachycephalosaurs are usually considered distinct species or families, but they may be juveniles of dome-headed adults. The domes were often surrounded by nodes and/or spikes.
Q: What is the significance of the healed injuries found in 20 percent of the domes studied?
A: The healed injuries found in 20 percent of the domes studied suggest that Pachycephalosaurids may have been using their heads for both display and defence. Competition for mates is a common reason why adult males fight, and the head could also be used as defence against predators.
Q: Why were the thick head shields of Pachycephalosaurs called the parietosquamosal shelf?
A: The thick head shields of Pachycephalosaurs were called the parietosquamosal shelf.
Q: What is the suborder of dinosaurs that Pachycephalosaurs are part of?
A: Pachycephalosaurs are part of the suborder Cerapoda.
