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Supersize sperm from the past

Scientists have found the oldest sperm ever discovered, and they are whoppers. They belong to a type of tiny crustacean called an Ostracod. The finding suggests that Ostracods evolved their gargantuan gametes far earlier than their rivals in the supersize sperm leagues, the fruit flies.

Read the story: Giant sperm found in crustacean fossils

Read the paper: Subcellular preservation in giant ostracod sperm from an early Miocene cave deposit in Australia

doi: https://doi.org/10.1038/d41586-019-00412-6

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