Walking with Tetrapods : by Nature Video

. Wednesday, June 2, 2010
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Walking with Tetrapods : by Nature Video

The fossilized remains of 395-million-year-old footprints in Poland have turned back the clock on the evolution of four-legged creatures, or tetrapods. The finds, reported this week in Nature, are 18 million years older than the earliest confirmed tetrapod fossils.

Read the original post here : Walking with Tetrapods : by Nature Video

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