<i>Tiktaalik roseae</i> (IMAGE)

Academy of Natural Sciences of Drexel University

<i>Tiktaalik roseae</i>

Caption

New research by scientists at the Academy of Natural Sciences provides the first detailed look at the internal head skeleton of Tiktaalik roseae, the 375-million-year-old fossil animal that is a step in the evolutionary transition of fish to limbed animals.

Credit

Ted Daeschler/ANSP

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