Ancient Crocodile Ancestor Walked on Two Legs, New Study Says
A new study based on fossilized footprints suggests a prehistoric relative of modern crocodiles walked on two hind legs. The study, published Thursday in the journal Scientific Reports, describes how ancient fossilized footprints discovered in South Korea had originally been thought to belong to a pterosaur — a flying dinosaur — that had been walking on two legs. But further analysis of the prints suggests that they actually belonged to a bipedal crocodile, a creature that walked on two legs because it was semi-adapted to land. This is the first evidence from this time period of a bipedal crocodylomorph, a branching, diverse group of animals that includes crocodilians and their extinct relatives. The researchers named the …