Top 10 Most Terrifying Creatures to Ever Live

Fearsome animals existed at the time of the dinosaurs that you, hardly, know about. Fortunately, they have gone extinct millions of years ago!

Here are some prehistoric creatures that fit the list of top 10 most terrifying creatures of all times.

10. Liopeleurodon
9. Quetzalcoatlus
8. Sarcosuchus
7. Thalattoarchon
6. Dunkleosteus
5. Titanoboa
4. Megalodon
3. Tyrannosaurus rex
2. Predator X (Pliosaurus funkei)
1. Mosasaurus