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Publisher
Springer, London
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Authors: Göran Lundborg
Publish Date: 2014
Volume: , Issue: , Pages: 1-5
Abstract
Three hundred and seventyfive million years ago many different types of big fish lived in the sea Gradually some of them began approaching shallow water close to land It became advantageous for these fishes to be able to support themselves on the seabed with their fins so they could raise their heads above the water’s surface in an amphibianlike way In this transitional phase between life in the water and life on land the fins of some fish species showed an obvious development towards an arm and a hand The Tiktaalik discovered on Ellesmere Island in northern Canada and dating back to about 375 million years ago has been regarded as a missing link between fish and land animals showing a first hint of a human hand in its fin
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