Deinonychus

Deinonychus Anthirrhopus was a species of raptor dinosaur from the early Cretaceous period, 115 to 108 mya. Deinonychus was one of the largest and earliest of the raptors. Deinonychus was 3.4 metres long and weighed about 100 kg. Deinonychus was found almost everywhere in the North America and was probably one of the most widespread of it's time. Deinonychus, although was very widespread was not the apex predator that title belongs to the much larger acrocanthosaurus. Deinonychus was also capable of taking down prey 2 times it's by hunting in packs.

Errors

 * The head of the raptors were far too blocky.
 * The raptors should have had more feathers
 * Dinosaurs couldn't pronate their hands.