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375 million-year-old fish fossil reveals evolution of hind limbs

Last Updated: Wednesday, January 15, 2014, 04:46

Researchers have discovered a well-preserved pelves and a partial pelvic fin from Tiktaalik roseae, a 375 million-year-old transitional species between fish and the first legged animals, which has revealed that the evolution of hind legs actually began as enhanced hind fins.