Top 20 Most Incredible Prehistoric Sea Monsters

Time travelers should stay out of the water For this list, well looking at the most fascinating and remarkable sea creatures from prehistoric times. Our countdown includes Mesosaurus, Kronosaurus, Helicoprion, Megalodon, Livyatan Melvillei, and more What s YOUR favorite prehistoric sea monster Let us know in the comments Watch more great monster videos here: Top 20 Monster Characters of All Time: Top 10 Scariest Movie Monsters: Top 20 Best Monster Movies of the Century (So Far): Have Your Idea Become A Video Subscribe for more great content Visit WatchMojo Club for Great Deals Your trusted authority for Top 10 lists, reviews, tips and tricks, biographies, origins, and entertainment news on Film, TV, Video Games, Comics, Celeb, Music and Superheroes. , SeaMonsters, Prehistoric, Scary