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    This Is What Dinosaurs Having Sex Looked Like

    NSFW if you work with dinosaurs.

    1. Male Pelecanimimus dinos apparently liked to hitch a ride on females during sex.

    2. Careful where you point those horns, Pentaceratops.

    3. Tyrannosaurus rex might have had a bit of a nuzzle before getting down to it.

    4. Their tiny arms apparently didn't pose a problem.

    5. Sauroposeidon might have done it in the water.

    6. Bonus: T. rex skeleton casts in a mating position, looking at a picture of two T. rex having sex.

    For more on what little we know about dinosaur sex (and more) see My Beloved Brontosaurus by Brian Switek.