Rare Mummified Dinosaur Unearthed: Contains Skin, and Maybe Organs, Muscle

Scientists on Monday announced the discovery of what appears to be the world's most intact dinosaur mummy: a 67-million-year-old plant-eater that contains fossilized bones and skin tissue, and possibly muscle and organs.

http://www.wired.com/science/discoveries/news/2007/12/dino_mummy