Geologist Analyzes Earliest Shell-covered Fossil Animals

Geologist Analyzes Earliest Shell-covered Fossil Animals

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•October 22, 2009
3:00 pm 


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The fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago, provide a window on evolution at this time, according to scientists. Their research indicates that these animals were larger than previously thought.

Source:Geologist Analyzes Earliest Shell-covered Fossil Animals


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