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www.guardian.co.uk...
NEWFOUND FOSSILS LINK SEA, LAND CREATURES
The fossils, found on Ellesmere Island in Arctic Canada, have the skull, neck, ribs and limb bones of four-limbed animals, but also the primitive jaw, fin and scales of fish, according to a report to be published in the journal Nature.
"This really is what our ancestors looked like when they began to leave the water," according to an editorial accompanying the report.
The newly discovered species, called Tiktaalik roseae, "blurs the boundary between fish and land-living animal both in terms of its anatomy and its way of life," said biologist Neil Shubin of the University of Chicago, one of the co-leaders of the expedition.