Predatory amphibians swam the seas 237 million years ago — SkimNews
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- Predatory amphibians swam the seas 237 million years ago.
- A fossil found in China overturns the belief that permeable amphibian skin was unsuited for marine life because it would absorb too much salt from seawater.
Why it matters: The 237-million-year-old specimen overturns a longstanding assumption that permeable amphibian skin was incompatible with salty seas. For paleontologists, that revises how the marine ecology of early vertebrates is interpreted, broadening the habitats and adaptations represented in fossils from that era.
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