Approximate measurements of the Diictodon: Scale 1:5 - 90mm

It had four strong legs adapted for swimming

Kentrosaurus had a large number of teeth in its jaws

Rhomaleosaurus also had a large brain compared to other marine reptiles of the time

but for the moment

Deinonychus Rugops Approximate measurements of the Diictodon:Deinonychus (D. antirrhopus, 'Terrible Claw') is a genus of theropod dinosaur that lived in what is now North America during the Early Cretaceous through the Aptian and Albian periods, about 115 108 million years ago. It was a medium sized bipedal predator, with an estimated length of between 3 and 4 meters and a weight of around 70 100 kilograms. Deinonychus is known for having a unique anatomy that made it a very effective predator. It possessed