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The world’s oldest penis

Scientists in Australia have found a 400-million-year penis-like structure in an ancient fish specimen.

Long, of Museum Victoria, says “when we announced we’d found some structures in the pelvic fin that suggested copulation, we hadn’t found the business end of how they were doing it.”

Now the team have identified a long clasper, made entirely of bone, on another fish specimen.

Long says claspers were used by the ancient fish, an extinct class of armoured fish called placoderms, to grip inside the female while they were mating.

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