In the depths of the Grand Canyon, scientists uncovered the fossil of a truly bizarre creature with a retractable throat lined with spiky teeth. Named Kraytdraco spectatus—after a sand-burrowing beast from Star Wars—this ancient "penis worm" sheds light on priapulids, one of Earth’s oldest groups of predators—and their role in shaping early marine ecosystems. Learn more about this fascinating discovery: https://on.natgeo.com/48O3RZz | National Geographic Science
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In our special #NationalFossilDay presentation, join park paleontologist Anne Miller as we back in time to explore the unique fossils found at Grand Canyon! Deep within rock layers laid down between 280 million years ago to over 500 million years ago, the park preserves many different environments and organisms of the geologic past. Learn about trace fossils, the organisms that made them, and their paleoenvironments through time! For an audio-described version of this video, visit: https://www.n
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