predator x v plesiosaurus - predator x was a largest and most powerful predator in Jurassic seas, plesiosaurus on the othe hand was a food item for predator x, br br predator x grew to 15-16m length, had 2.6m scull that had bite force 4 times more powerful than a t-rex most powerful jaws among land dinosaurs. plesiosaurus grew to 6-7m length and was itself feeding on other predators, sharks, fish...