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Teenage tetrapods

Bone analysis of aquatic tetrapods from around the time when these four-limbed vertebrates began to move onto land reveals that the large specimens were only juveniles, raising questions about how these animals developed. See Letter p.408

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Figure 1: Possible developmental pathways in the tetrapod Acanthostega.


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Correspondence to Nadia B. Fröbisch.

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Fröbisch, N. Teenage tetrapods. Nature 537, 311–312 (2016).

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