A tetrapod fauna from within the Devonian Antarctic Circle

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Science  08 Jun 2018:
Vol. 360, Issue 6393, pp. 1120-1124
DOI: 10.1126/science.aaq1645

Out of Antarctica

When we think of Devonian tetrapods, the ancestors of all modern vertebrates, we tend to picture amphibian-like creatures emerging from the water into a wet tropical forest or swamp. Indeed, all previously described specimens of this group have been recovered from the tropics. Gess and Ahlberg now describe two fossil tetrapods from Devonian Antarctica. Thus, the distribution of tetrapods may have been global, which encourages us to rethink the environments in which this important group was shaped.

Science, this issue p. 1120

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