A creature whose relatives evolved roughly 500 million years ago — before dinosaurs, before trees — was sitting on the ocean floor off South Korea, misidentified as something it wasn’t. Two biologists ...

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A new species of chiton — a tiny, armored marine mollusk from a lineage roughly 500 million years old — has been identified off the coast of South Korea after routine genetic analysis revealed it was ...

A chiton — a type of marine mollusk whose lineage stretches back roughly 500 million years — has been identified as a brand-new species after being misclassified for years, thanks to a routine DNA ...