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Meet North America’s oldest dino: Found in Wyoming, named in Shoshone language

Ancient fossils found near Dubois have scientists rethinking the lifespan of reptiles — and how to include Native communities in paleontology

Posted 1/22/25

WYOMING – On a tract of public land near Dubois, an extrusion of very old rock — known as the lower Popo Agie Formation — peeks out of a hillside. To the unskilled eye, it just …

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