Saw the link to this article on Mark Chadbourn's blog:
"A giant fossil sea monster found in the Arctic and known as "Predator X" had a bite that would make T-Rex look feeble, scientists said Monday.
The 50 ft (15 metre) long Jurassic era marine reptile had a crushing 33,000 lbs (15 tonnes) per square inch bite force, the Natural History Museum of Oslo University said of the new find on the Norwegian Arctic archipelago of Svalbard."
Awesome. I've always loved stuff like this - the prehistoric seas were full of totally screwed-up creatures.