Pteranodon is a flying prehistoric creature that appears in the first two games of the series. They are probably exaggerated in ferocity because in reality they were primarily fish eaters. Pteranodon is not an important creature of the series, but can be formidable, especially in groups. The Pteranodons were brought to the Future Earth to avoid the temporal catastrophe created by the Third Energy Rundown. As time went by, the creatures became hostile towards humans and even went as far as battli