News From the Field
Four-eyed daddy longlegs fossil fills in evolutionary tree
April 10, 2014
Living harvestmen, a group of arachnids more commonly known as daddy longlegs, have a single pair of eyes that help them navigate every continent except Antarctica. But a newly described, 305 million-year-old fossil shows that wasn't always the case. Research, led by scientists at the American Museum of Natural History and the University of Manchester, indicates that primitive harvestmen had two pairs of eyes, adding significant details to the evolutionary story of this highly successful group.
American Museum of Natural History
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