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Pyritized ammonites are striking fossils and useful clues for geologists

For over 300 million years, the ammonites ruled the prehistoric seas. Finding an ammonite fossil isn’t particularly rare ...
CNN

Famous fossil is really just paint, rocks and a couple of bones, researchers say

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A 280 million-year ...