Ancient larva reveals arthropod evolution

This is a Yunnan Province news story, published by Ars Technica, that relates primarily to Youti yuanshi news.

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modern arthropods

Ars Technica

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520-million-year-old larva fossil reveals the origins of arthropods

Summary

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84% Informative

Youti yuanshi is a tiny larva that was trapped in mud half a billion years ago in Yunnan Province of China .

It is preserved so well that its exoskeleton is almost completely intact, and even the outlines of what were once its internal organs can be seen through the lens of a microscope.

Durham University researchers were able to see features of both ancient and modern arthropods.

Yuti yuanshi is still holding on to some mysteries, mostly because it is a larva.

It's possible that this species developed compound eyes or flaps for swimming by the time it reached adulthood.

Maybe the answers are buried somewhere in the Yuan’shan shale.

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English

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