Xenoturbella, marine worm related to humans

  • Graham Budd
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Xenoturbella, marine worm related to humans. Graham Budd. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.

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A light micrograph of Xenoturbella (colour-enhanced pink), a 3-cm long marine worm that eats molluscs and is thought to be related to humans, having shared a common ancestor with them in the distant past. Xenoturbella lives in mud at the bottom of a Swedish fjord. DNA analysis shows it is a deuterostome, related to the chordates.


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