Scientists discovered fossilized reptile skin in an Oklahoma cave, revealing the oldest known example dating back nearly 300 million years.
Usually, fossilized animal remains result from bits of bone or impressions of a creature long-passed. But sometimes a specific place has just the right conditions to preserve even more. From Richards ...
Researchers believe they’ve found the oldest known fossilized skin, hidden away in a limestone cave system in Oklahoma. The skin sample dates to the early Permian Period, between 289 million years ago ...
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