The shark in this show was large with countershading colors and jaws as massive as those of a great white today. Sharks are still alive today, and have been there since the Devonian period.
In Animal ArmageddonEdit
Here a shark was shown swimming behind a shoal of fish, the narrator explains internal cannibalism while showing the model. The size indicates that it was probably a Cretolamna which had been present in the cretaceous-ending.