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This armored amphibian once lived and hunted on the seafloor

Summary by Science News
Gerrothorax maritimus, which existed about 237 million years ago, is the first ever amphibian known to have lived without access to land or freshwater.

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Amphibians are dependent on their permeable skin, by which they breathe and absorb water, a characteristic that makes them vulnerable in the marine environment. For this reason, no amphibians had been identified, alive or missing, fully adapted to life in...

·Bucharest, Romania
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237 million years ago, a previously unknown predator lived in the ancient seas of what is now China. Now, paleontologists have described it in the journal Nature. They have discovered that it was very special.

Two fossil skeletons discovered in China describe Gerrothorax maritimus, a 90 cm battled amphibian who would have lived in the open sea 237 million years ago. A first among amphibians.

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Science News broke the news in Washington, United States on Friday, November 6, 2026.
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