Finding the longest set of footprints left by the first vertebrate
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In 1992 off the coast of Ireland, a Swiss geology student accidentally discovered the longest set of footprints made by the first four-legged animals to walk on earth.They pointed to a new date for the key milestone in evolution when the first amphibians left the water 385 million years ago. The salamander-type animal which was the size of a basset hound lived when County Kerry was semi-arid, long before dinosaurs, as Iwan Stössel explains to Josephine McDermott.(Picture: Artwork of a primitive tetrapod. Credit: Christian Jegou/Science Photo Library)
Finding the longest set of footprints left by the first vertebrate