April 6, 2006 (a Thursday)

*Tiktaalik roseae* fills in the evolutionary gap between fish and land animals.

On this date, two articles were published in the science journal Nature reporting the discovery of a fossil that might in time become as much of an evolutionary icon as the proto-bird Archaeopteryx. Several specimens of this transitional form, named Tiktaalik roseae, were found in late Devonian river sediments on Ellesmere Island in Nunavut, Arctic Canada.

References:

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