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Ancient fossil 'may prove scorpion was first land-dwelling animal'


Fossil experts in the US have revealed the remains of what they say is the first animal that may have set foot on land – an ancient scorpion.

The earliest animals were aquatic, but eventually transitioned on to land. While scorpions are known to be one of the first animals to have become fully land-dwelling, experts say the two new fossils add to a growing debate about when animals made the shift.

The scorpion, which is about 2.5cm in length, is thought to have lived about 437m years ago, with the fossils discovered in a quarry north of state highway ...


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