54-million-year-old Skull Reveals Early Evolution Of Primate Brains Science Daily - June 23, 2009
Primitive Primate's Brain Built Live Science - June 23, 2009

Using a 54 million-year-old skull, researchers have constructed
the first-ever virtual model of a primitive primate brain.
Oldest Fossil Brain Found in "Bizarre" Prehistoric Fish National Geographic - March 3, 2009
Oldest fossil brain found in Kansas PhysOrg - March 2, 2009
Fossil Fish: Oldest Fossil Brain Find Is 'Really Bizarre' Live Science - March 2, 2009
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