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Prehistoric marine reptile fossil has embryo inside

A fossil of a prehistoric water reptile has an embryo inside, providing the first evidence that plesiosaurs gave birth to live offspring rather than laying eggs, a US study said Thursday. The 78-million-year-old fossil of the Polycotylus latippinus, a four-flippered swimmer something like a snake-turtle combination, is now on display at the Natural History Museum of Los Angeles County.…

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