News
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What Is an Ammonite? The Ancient Ocean Animal Inside the Spiral
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Ammonites carried their homes through ancient seas, building one chamber after another until stone inherited the spiral. Here is the real animal inside the fossil.
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What Is an Ammonite Fossil? The Ancient Ocean Inside the Spiral
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Ammonites carried their homes through ancient seas, adding one chamber after another as they grew. Millions of years later, their stone spirals still hold a map of vanished oceans.
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When an Inland Sea Became Stone: Fossilized Druzy Coral from Ohio
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Long before fields and highways, warm seawater covered Ohio. Some of its corals survived as stone, and some grew a second secret life lined with quartz.
