EditorialStygimoloch (it means "demon from the Styx"). Genus of pachycephalosaurid dinosaur from the end of the Cretaceous period, roughly 66 million years ago. Fossil stygimoloch spinifer skull. North Dakota, United States. Natural History Museum, Berlin, Germ...
EditorialStygimoloch (it means "demon from the Styx"). Genus of pachycephalosaurid dinosaur from the end of the Cretaceous period, roughly 66 million years ago. Fossil stygimoloch spinifer skull. North Dakota, United States. Natural History Museum, Berlin, Germ...