From obscurity to dominance: Tracking the rapid evolutionary rise of ray-finned fish

Monday, July 22, 2013 - 12:00 in Paleontology & Archaeology

Mass extinctions, like lotteries, result in a multitude of losers and a few lucky winners. This is the story of one of the winners, a small, shell-crushing predatory fish called Fouldenia, which first appears in the fossil record a mere 11 million years after an extinction that wiped out more than 90 percent of the planet's vertebrate species.

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