This picture shows a nearly intact fossil of Fuxianhuia protensa. The inset shows the fossilized brain in the head of another specimen. The remarkably well-preserved fossil of an extinct arthropod shows that anatomically complex brains evolved earlier than previously thought and have changed little over the course of evolution. According to University of Arizona neurobiologist Nicholas Strausfeld, who co-authored the study describing the specimen, the fossil is the earliest known to show a brain.
Spineless critter had oldest complex brain
ANCIENT SMARTS: A 520-million-year-old fossil has yielded evidence that complex brains evolved much earlier than previously thought, say scientists.
10 minutes ago from ABC Science
Fossil shows early complex brain
TUCSON, Oct. 10 (UPI) -- A 520 million-year-old fossil shows complex brains evolved much earlier than previously thought with little change anatomically since then, U.S. scientists say. ...
3 hours ago from UPI
Source: http://www.sciencenewsdaily.org/archaeology-fossils-news/cluster232781760/
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