You would call it a dead dinosaur. You could refer to a fresh body as a dinosaur carcass. One that is only bones would be a dinosaur skeleton. However, you probably would never see the above. A fossilized dinosaur is called a dinosaur fossil.
Ultrasaurus
there were no dinosaurs
The first stage in dinosaur times (the Mesozoic Era) was the Triassic.
Only very rarely.
Carnotaurus lived in the Cretaceous period of the Mesozoic era.
dinosaur
The Mesozoic
there were no humans
In the Mesozoic era
The Mesozoic
Yes, there is. Did you mean a living dinosaur, or a dead one?