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Four-eyed daddy longlegs fossil fills in evolutionary tree
Date:4/10/2014

dy. "This is especially true of harvestmen. Our x-ray techniques have allowed us to reveal this fossil in more detail than we would have dreamed possible two decades ago."

The researchers corroborated their results by looking at the expression of a particular "eye-stalk-growing" gene in a living species of harvestmen. They found that developing embryos briefly express this gene in the lateral area, where the second eye pair is located in the fossil. But by the time they hatch, harvestmen only form the median eyes.


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Contact: Kendra Snyder
ksnyder@amnh.org
212-496-3419
American Museum of Natural History
Source:Eurekalert  

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