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230-Million-Year-Old Dinosaur Fossils Rewrite Theories on Dinosaur Origins

The UW Geology Museum announced the discovery of a new dinosaur species named Ahvaytum Bahndooiveche, which is 10 million years older than the previous oldest Northern Hemisphere dinosaur.
Ahvaytum Bahndooiveche lived around 230 million years ago, challenging previous theories about dinosaur origins in the Northern Hemisphere.
The dinosaur's name translates to 'long ago dinosaur' in the Shoshone language, marking it as the first species named in an indigenous language.
The discovery highlights the importance of collaboration with tribal partners, as emphasized by Amanda Leclair-Diaz, a co-author of the research.

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IFLScience

Oldest Equatorial Dinosaur In The World Discovered, Dating Back 230 Million Years

"It was basically the size of a chicken but with a really long tail.”

2 months ago

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Channel 3000

UW Geology team discovers a brand new dinosaur

The museum field crew's find is not just a new species — it's the oldest dinosaur ever discovered in the northern hemisphere.

2 months ago·Madison, United States

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Gizmodo

230 Million-Year-Old Fossil From Wyoming Challenges Dinosaur Origin Theories

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early dinosaur history.

2 months ago·United States

Dinosaurs may have roamed the northern hemisphere millions of years earlier than previously thought

How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for decades been a source of debate among paleontologists faced with fragmented fossil records.

2 months ago·United Kingdom

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Space Daily

Dinosaurs emerged in the northern hemisphere millions of years earlier

Los Angeles CA (SPX) Jan 10, 2025 - New research from the University of Wisconsin-Madison challenges long-standing beliefs about dinosaur origins, suggesting that these ancient reptiles roamed the northern hemisphere millions of years

2 months ago·Australia

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themondonews.com

New discovery of fossils reveals a revamped dinosaur evolutionary history

American paleontologists have discovered the fossilized remains of a new species of sauropod dinosaur that lived in the northern hemisphere (Laurasian supercontinent) during the Carnian period of the late Triassic period, about 230 million years ago. reconstruction of Avaitum banduichethe world's oldest known low-latitude dinosaur species. Image credit: Gabriel Uguet. Until now, it was thought [...] Source The post New discovery of fossils revea…

2 months ago

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