Mosasaur Shark Attack - Reign of the Dinosaurs

Sharks were still prowling the seas during the reign of the dinosaurs and here a mosasaur is on the attack when a group of sharks starts feeding on its young.Subscribe to Discovery TV for more great clips:http://www.youtube.com/subscription_center?add_user=DiscoveryTVFollow Discovery on Twitter:http://www.twitter.com/DiscoveryUK