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Scientists Just Discovered a 100 Million Year Old Sperm. I Kid You Not.

sperm - pixabay

The oldest known sperm in the world has been discovered, locked in a piece of amber that solidified when behemoths like Spinosaurus dominated the Earth. The giant sperm comes from a much more miniscule creature than the toothy Spinosaurus: an ostracod, a crustacean that looks like a shrimp dressing up as a clam for Halloween. Known colloquially as “seed shrimp,” ostracods typically grow just a few tenths of an inch long. Their bodies are protected by a bivalve shell, from which tiny, crab-like appendages sometimes protrude. There are thousands of ostracod species alive today, and many boast giant sperm cells, … Read more