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Paleontology: The oldest known sperm cells

Paleontology: The oldest known sperm cells

An international team of paleontologists has discovered giant sperm cells in a 100-million year-old female ostracod preserved in a sample of amber. Clearly, the tiny crustacean had mated shortly before being entombed in a drop of tree resin.
Source: Paleontology: The oldest known sperm cells

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