Finding in 100-million-year-old amber reveals sexual intercourse of ostracods - Phys.org

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Small bivalved crustacean ostracods are the most abundant fossil arthropods since the Ordovician and play an important role in paleoenvironmental reconstruction and evolutionary biology. https://phys.org/news/2020-09-million-year-old-amber-reveals-sexual-intercourse.html
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