After building the LEGO® Jurassic World toy dinosaur set, kids can play with or display the fully articulated Mosasaurus toy figure, with movable fins, tail and opening jaw, plus LeClerc and ...

The claim: Video shows a real Mosasaurus. A Feb. 21 Facebook video (direct link, archive link) claims to show footage of a Mosasaurus, a water-dwelling reptile that lived millions of years ago.