This 110 million-year-old, armored plant-eater is the best preserved fossil of its kind ever found.
From the article:
The more I look at it, the more mind-boggling it becomes. Fossilized remnants of skin still cover the bumpy armor plates dotting the animal’s skull. Its right forefoot lies by its side, its five digits splayed upward. I can count the scales on its sole. Caleb Brown, a postdoctoral researcher at the museum, grins at my astonishment. “We don’t just have a skeleton,” he tells me later. “We have a dinosaur as it would have been.”
Read more on Michael Greshko’s (beautifully written) article at National Geographic.