From the sands of Mongolia's Gobi Desert emerges a new, exquisitely preserved fossil that could revolutionize our understanding of pachycephalosaurs – those iconic dinosaurs sporting a dome of thick bone at the top of their heads.

The newly discovered Zavacephale rinpoche is the oldest known pachycephalosaur ever found, with an age dating back at least 108 million years ago, pushing back the fossil record by 14 million years. The specimen is also the most complete skeleton of its kind ever found.

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Its extraordinary features include a spectacularly preserved skull, the first-ever example of a pachycephalosaur hand, the stones in its stomach that aided digestion, and a full tail complete with tendo

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