Gallimimus

Gallimimus was a small, fragile theropod dinosaur with a long neck and legs. Famous as an "egg-eater", it actually ate a variety of foods. Gallimimus fossils are occasionaly found in the Flaming Cliffs, Mongolia, from around 75 million years ago.

In Jurassic Park
Seen in the famous stampede sequence in the first film and in a few shots of The Lost World, Gallimimus seems to have no inaccuracies in the film.

In Operation Genesis
In the video game Jurassic Park: Operation Genesis, Gallimimus is a two-star herbivore from the Flaming Cliffs formation, much like the real world.