Mysterious "stone-headed" dinosaur with 25cm thick skull
One of the more unusual dinosaurs, Pachycephalosaurus is easily recognized by its unusually thick, domed head.
Báo Khoa học và Đời sống•03/06/2025
With a skull up to 25cm thick. The Pachycephalosaurus's distinctive domed head had a layer of bone up to 25cm thick, leading many scientists to believe they used it for headbutting in fights over territory or mates. Photo: Pinterest. The name means “thick-headed lizard”. The scientific name “Pachycephalosaurus” comes from the Greek: “pachy” meaning thick, “cephalo” meaning head, and “saurus” meaning lizard – accurately describing the most prominent feature of this species. Photo: Pinterest.
Living in the late Cretaceous period. Pachycephalosaurus appeared about 70–66 million years ago, just before the mass extinction caused by the Chicxulub meteorite. Photo: Pinterest. Walked on two legs. Like many other herbivorous dinosaurs in the Ornithischia group, Pachycephalosaurus had strong hind limbs and often walked on two legs. Photo: Pinterest.
Small and worn teeth. Pachycephalosaurus teeth were small and heavily worn, suggesting they were not used for tearing flesh but were more suited to chewing leaves or soft vegetation. Photo: Pinterest. Possibly omnivorous. While most evidence suggests Pachycephalosaurus ate plants, some scientists believe it may have also eaten insects – making it omnivorous. Photo: Pinterest. About 4.5 meters long. The body of Pachycephalosaurus was quite compact, about 4.5 meters long and weighed about 400–500 kg. Photo: Pinterest.
Role in movies and popular culture. Pachycephalosaurus appeared in the “Jurassic Park” series, helping to bring this dinosaur closer to the public. Photo: Pinterest. Dear readers, please watch more videos : Revealing lost civilizations through archaeological remains.
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