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.
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.
Day in Pics: 28th March
Showbiz World - March 28, 2015
'Bharat Ratna' Atal Bihari Vajpayee