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300 Million Year Old Fossil Fish Likely Had Color Vision

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    Last Updated: December 25, 2014


    westlake writes Nature is reporting the discovery of mineralized rods and cones in a 300-million-year-old fossil fish found in Kansas. The soft tissues of the eye and brain decay rapidly after death, within 64 days and 11 days, respectively, and are almost never preserved in the fossil record — making this the first discovery of fossil rods and cones in general and the first evidence for color vision in a fossilized vertebrate eye.

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