December 10, 2022 1:41 am
Science Radars > Blog > Polular > Penis worm’s ancient cousin fossilized with its doughnut-shaped brain intact
Penis worm’s ancient cousin fossilized with its doughnut-shaped brain intact
The fossil dates to the Cambrian.

Penis worm’s ancient cousin fossilized with its doughnut-shaped brain intact,The fossil dates to the Cambrian.

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