Oldest North American dinosaur fossil discovered, dates back 230 million years
SMRTR summary
A 230-million-year-old dinosaur fossil named Ahvaytum bahndooiveche has been discovered in Wyoming, making it the oldest known dinosaur in North America. This chicken-sized creature pushes back the timeline for dinosaur presence in the northern hemisphere by millions of years, challenging previous theories about dinosaur origins and migration.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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