Oldest evidence of evolutionary arms race found in fossils
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American Museum of Natural History Jan 3 2025 A new study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race. These 517-million-year-old predator-prey interactions occurred in the ocean covering what is now South Australia between a small, shelled animal distantly related to brachiopods and an unknown marine animal capable of piercing its shell. Described today in the journal Current Biology , the
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