Dinosaur Column Dinosaur Types Dinosaur Characteristics Dinosaur Fossils Era 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)
