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The ancient world of crinoids: Stunning photos of these flower-like fossils that are not flowersWhen you think of fossils, things like dinosaurs or ancient trees probably pop to mind. But if you’re a true geology aficionado, you probably know that those are far from the most common fossils.
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Fossils of chipmunk shark, an ancient species with an adorable name, found in Mammoth CavePaleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.
Sea creatures buried alive roughly 340 million years ago have yielded the longest-preserved organic molecules ever discovered in a complete fossil. Fragments of biological molecules are often found ...
Fieser, L. F., and Fieser, M., Natural Products Related to Phenanthrene (third ed.), 204 (Reinhold, New York, 1949). Fieser, L. F., and Fieser, M., Steroids, 177 ...
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