Ankylosaurus, armored scute plate, Cretaceous Troodon This is a cast of

This is a cast of the skull of a juvenile perhaps half grown

The idea that birds are living dinosaurs has been accepted by most paleontologists for some time

Spinosaurus means "spine lizard

finding the species Allognathosuchus haupti and A

Ankylosaurus, armored scute plate, Cretaceous Troodon This is a cast ofAnkylosaurus had a tail club that was composed of several large osteoderms, or boney lumps, which were fused to the last few tail vertebra. Its heavyweight was supported by the last seven tail vertebrae, which interlocked to form a stiff rod at the base of the club and were themselves supported by think bony tendons. These allowed great force to be transmitted to the club which could be a devastating weapon against the bones of attackers. The body was