World's oldest animal sperm from 100 million years ago found fossilised in amber

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The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxScientists have discovered what they believe to be the oldest fossilised animal sperm from around 100 million years ago.The "spectacular find" was unearthed by an international team of palaeontologists preserved inside a female ostracod - a type of tiny crustacean that resembles a mussel.Researchers believe the female mated shortly before becoming trapped in the resin.They say the findings, published in the journal Proceedings of the Royal Society B, provide "an extremely rare opportunity" to learn more about the evolution of the reproduction process in animals.Until now, the oldest known fossilised animal sperm was thought to have been.