Fossil remains of a huge and fearsome marine predator, dubbed "Predator X", have been discovered in Svalbard, a remote Arctic archipelago.
About 15 metres long and weighing 45 tonnes, the creature is a new species of pliosaur, and ruled the Jurassic seas some 147 million years ago.
Predator X had a head twice the size of Tyrannosaurus rex and its bite had four times the force, at around 15,000 kilograms (33,000 pounds). Its teeth were each around 30 centimetres (1 foot) long.
The remains were discovered in June 2008 during a two-week expedition led by Jørn Hurum of the Natural History Museum at the University of Oslo.
About 15 metres long and weighing 45 tonnes, the creature is a new species of pliosaur, and ruled the Jurassic seas some 147 million years ago.
Predator X had a head twice the size of Tyrannosaurus rex and its bite had four times the force, at around 15,000 kilograms (33,000 pounds). Its teeth were each around 30 centimetres (1 foot) long.
The remains were discovered in June 2008 during a two-week expedition led by Jørn Hurum of the Natural History Museum at the University of Oslo.
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