My favorite dinosaur is Archaeopteryx, so naturally I chose to model my idea around it. In the end I think it looks more like a cross between a phoenix and a dragon, but it was fun.
On a side note, zombie demon dinosaurs would be the most disappointed among the undead. It would take an incredible amount of energy to bring down a living dinosaur and they would only be rewarded with walnut-sized brains. What a pity.