How Fins Gave Way to Feet

8:10 minutes

Scientists uncovered the fossilized pelvic bone of Tiktaalik roseae, a fish that lived 350 million years ago and had robust hind fins. Research team member Ted Daeschler describes the fossil and what it tells us about our ancestors’ evolution from water to land.

Segment Guests

Ted Daeschler

Ted Daeschler is associate curator and professor at the Academy of Natural Sciences at Drexel University in Philadelphia, Pennsylvania.

Meet the Producer

About Alexa Lim

Alexa Lim is Science Friday’s associate producer. Her favorite stories involve space, sound, and strange animal discoveries.