500 million-year-old, bug-like fossils have stunningly preserved nervous systems

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The organisms may be related to modern arachnids, scientists say.

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Two tiny fossils, each smaller than an aspirin pill, contain fossilized nerve tissue from 508 million years ago. The bug-like Cambrian creatures could help scientists piece together the evolutionary history of modern-day spiders and scorpions.

Still, it's not clear exactly where these fossils — both specimens of the species Mollisonia symmetrica — fit on the arthropod evolutionary tree, said Nicholas Strausfeld, a regents professor in the Department of Neuroscience at the University of…

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tons of animals on Mars have this basic body pattern. Go ogle Jerry Lehane Mars,also mars people pics

I've seen that. The bug at the right was the one that was xtracted to NEO. ¿Right? (or the grand-grandpa)

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