Liopleurodon ferox vs. Tylosaurus nepaeolicus

[dinosauria101]

Liopleurodon ferox

www.thoughtco.com/thmb/XhdWJ7QFVGb49fbyJzCyJfOJKKI=/1400x873/filters:no_upscale():max_bytes(150000):strip_icc()/liopleurodonWC3-56a2570b3df78cf772748d64.jpg

Order: Plesiosauria
Family: Pliosauridae
Length: 4.8-7 meters
Mass: 1-2.5 tonnes
Diet: Fish and marine reptiles
Age and Location: 150 million years ago, Late Jurassic, Europe and Russia
Killing apparatus: Slicing jaws
One of the most famous of the pliosaurs. Often said to grow to 25 meters but this is inaccurate due to an error of BBC.

Tylosaurus nepaeolicus

4.bp.blogspot.com/-vYk48M7-uyE/UtjG9FB_LnI/AAAAAAAAEDo/iiGYvRpjFzE/s1600/Tylosaurus_NT.jpg

Order: Squamata
Family: Varanidae
Length: 9 meters
Mass: 1.5 tonnes
Diet: Fish and marine reptiles
Age and Location: 70 million years ago, Late Cretaceous, United States.
Killing apparatus: Slicing jaws
One of the largest mosasaurs. Known from a large abundance of fossils compared to other species.

[6f5e4d]

Liopleurodon was larger than Tylosaurus, and with its stronger jaws it was likely the victor of the fight.

[dinosauria101]

Liopleurodon's the favorite for me too. Larger, more robust, and a much stronger bite. I could see it winning 65/35 due to that.