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Tom Harvey

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Associate Professor in Geoscience, University of Leicester

Urokodia lived some 518 million years ago, and had early versions of fangs. Xiaodong Wang

July 1, 2026

Spider fangs are one of their scariest features – new fossils reveal their origins

Mark Williams, University of Leicester; Lorenzo Lustri, Yunnan University; Tom Harvey, University of Leicester, and Yu Liu, University of Leicester

The 500 million year old shrimp-like Urokodia had pincer-like limbs emerging next to its eyes.

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Joined June 30, 2026