This 22 August 2018 video says about itself:
In this comparison video, we shall compare the different pliosaur (predator x) family species, also known as pliosaurids.
have strong jaws and are among the largest marine predators to have existed in the world.
Pliosaurus (Predator X) is one of the largest sea predators to have ever existed while Kronosaurus is also on the top ten list along with others like the Megacephalosaurus, the Liopleurodon, the Brachauchenius etc.
… these pliosaurus species differ in size and comparison so much that the smallest of them weighs less than one tonne and the largest weighs more than 15 tonnes.
… These pliosaurus species all have one thing in common, the noticeable strong and elongated skull. In this video of the pliosaurus family species comparison, we shall take a more detailed look at 10 pliosaurids, their size, where and when they existed.