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Press Release 08-181
Details of Evolutionary Transition from Fish to Land Animals Revealed

Head skeleton sheds light on intermediate steps

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Illustration of Tiktaalik crawling from the sea to land.

Fossil fish bridges the evolutionary gap between animals of land and sea.

Credit: Zina Deretsky, National Science Foundation


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Photo of the head of a fossil specimen of Tiktaalik roseae.

The head of a fossil specimen of Tiktaalik roseae.

Credit: Ted Daeschler


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Photo of scientists looking for fossil evidence of Tiktaalik on Ellesmere Island, Canada.

Scientists look for fossil evidence of Tiktaalik on Ellesmere Island, Nunavut Territory, Canada.

Credit: Ted Daeschler


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