Dinosaur ColumnDinosaur TypesDinosaur CharacteristicsDinosaur FossilsEra How thick was the skull of Pachycephalosaurus? How did Pachycephalosaurus use its hard head in territorial disputes? How did Pachycephalosaurus fight? Share this page
Jurassic ![[Latest Research] What Was the Function of Spinosaurus's Giant "Sail"? Exploring the Mysteries of Thermoregulation and Underwater Locomotion](https://dinosaurmuseum.jp/wp/wp-content/uploads/eyecatch_spinosaurus-sail-function_en-1024x512.webp)
![[Latest Discovery] A Third Type of Skin, Neither Scales Nor Feathers? Meet "Haolong dongi," a New Dinosaur Species Covered Entirely in Spikes](https://dinosaurmuseum.jp/wp/wp-content/uploads/eyecatch_dinosaur-spiky-skin-discovery_en-1024x512.webp)
