This fossilized butthole gives us a rare window into dinosaur sex

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1st preserved dinosaur butthole is ‘perfect’ and ‘unique,’ paleontologist says

The first dinosaur butthole ever discovered is shedding light where the sun don’t shine. The discovery reveals how dinosaurs used this multipurpose opening — scientifically known as a cloacal vent — for pooping, peeing, breeding and egg laying.  The dinosaur’s derrière is so well preserved, researchers could see the remnants of two small bulges by […]