Oldest-known dome-headed dinosaur discovered sticking out of a cliff in Mongolia's Gobi Desert

Live ScienceWednesday, September 17, 2025 at 3:16:09 PM
PositiveScience
Oldest-known dome-headed dinosaur discovered sticking out of a cliff in Mongolia's Gobi Desert
A remarkable discovery in Mongolia's Gobi Desert has unveiled the oldest-known dome-headed dinosaur, a juvenile pachycephalosaurs that predates the previous record-holder by an astonishing 15 million years. This finding not only sheds light on the evolutionary timeline of these unique creatures but also enhances our understanding of how and when their distinctive dome-shaped skulls developed. Such discoveries are crucial as they help scientists piece together the history of dinosaur evolution and the environmental conditions of their time.
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