Quote Originally Posted by Maeran View Post
The occasional 'mummified dinosaur' (I remember there being one found when I was a kid and this search threw up a more recent one- both duck billed dinosaurs interestingly) has soft parts preserved, but they have been replaced by mineral- so no Jurassic Park for you.
'Dinosaur mummies' are not all that uncommon, but they are simply fossilized remains of the soft tissues of an animal. A Tyrannosaurus rex skeleton found some years ago, however, actually included some soft tissue in the femur:

http://www.msnbc.msn.com/id/7285683/