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In 1912, a fossil collector discovered some strange bone fragments in the eerie, beautiful Cretaceous Bahariya rock formation of Egypt. Eventually, that handful of fossil fragments would reveal to scientists one of the strangest dinosaurs that ever existed -- the world’s only known semi-aquatic dinosaur.

Thanks as always to Nobumichi Tamura for allowing us to use his wonderful paleoart: http://spinops.blogspot.com/

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References:
https://blogs.scientificamerican.com/...
https://laelaps.wordpress.com/2007/08...
http://www.prehistoric-wildlife.com/s...
https://www.nature.com/articles/324359a0
https://www.researchgate.net/profile/...
http://science.sciencemag.org/content...
https://www.researchgate.net/profile/...
https://www.researchgate.net/profile/...
https://ac.els-cdn.com/S1251805098800...
https://www.cambridge.org/core/journa...
https://news.nationalgeographic.com/n...
https://www.smithsonianmag.com/scienc...

The Baryonyx walkeri is from Cuff A, Rayfield E