The juvenile pachycephalosaurs, which predates the previous oldest dome-headed dinosaur by 15 million years, reveals more about how and when this unusual feature developed.
Oldest-known dome-headed dinosaur discovered sticking out of a cliff in Mongolia's Gobi Desert
Live Science - 17 Sep 2025 15:16
The juvenile pachycephalosaurs, which predates the previous oldest dome-headed dinosaur by 15 million years, reveals more about how and when this unusual feature developed.
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