An ancient crocodile species that lived around 120 million years ago may have walked on two hind legs - just like dinosaurs, scientists believe.Their work is based on an analysis of large, well-preserved footprints discovered at the Sacheon Jahye-ri excavation site in South Korea.The researchers first thought the fossilised foot impressions were from another ancient reptile known as the pterosaur.But investigations revealed the footprints to have heel-to-toe impressions, which the palaeontologists believe were unlikely to have been made by the flying reptiles.Dr Anthony Romilio, from the University of Queensland in Australia and one of the study authors, said: "At one site, the footprints were initially thought to be made by a giant bipedal.
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