Purussaurus brasiliensis vs. Pliosaurus funkei

[dinosauria101]

Purussaurus brasiliensis

upload.wikimedia.org/wikipedia/commons/7/76/Purussaurus_BW.jpg

Order: Crocodyliformes
Family: Alligatoridae
Length: 10.3 meters
Mass: 6.2 tonnes
Age and Location: Miocene epoch, 13.8 to 11.8 million years ago, Colombia
Killing apparatus: Crushing jaws
Was one of the largest species of crocodilian. Had a very strong bite proportionately.

Pliosaurus funkei

scitechdaily.com/images/pliosaur-funkei.jpg

Order: Plesiosauria
Family: Pliosauridae
Length: 8.8 meters
Mass: ~6 tonnes, based on relatives
Diet: Large marine animals
Age and Location: Late Jurassic, 150 million years ago, Norway
Killing apparatus: Slicing jaws
One of the largest pliosaurs. Was informally known as 'Predator X'.

[sharkboy101]

I’d say 50/50 the pliosaur has speed and biting power while the caiman has the length and weight advantage.

[dinosauria101]

Well, they should both weigh about the same - 200 kg isn't gonna make a difference.

Whoever gets the 1st bite would probably win.

[Ceratodromeus]

In water of any real depth i'm inclined to favor the pliosaur.

[6f5e4d]

I'd prefer the Pliosaurus, it's more adapted to the water and likely bites harder.