Last Updated: Sunday, May 05, 2013, 14:30
Scientists have long thought that early land vertebrates developed legs for moving around on land well before their feeding systems and dietary habits changed enough to let them eat a land-based diet.
Last Updated: Wednesday, May 01, 2013, 16:00
Land animals developed legs millions of years before their feeding systems changed enough to let them eat a strictly land-based diet, US paleontologists say.
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