Dubbed the "the Monster," this newly identified fossil predator is one of the largest marine reptiles ever found, scientists announced today. The 50-foot-long (15-meter-long) "sea monster" was excavated last summer on Norway's Arctic island of Spitsbergen. The Monster likely represents the biggest species of pliosaur known to science, said Jørn Hurum, of the Natural History Museum in Oslo, Norway, who led the dig team—and who called the reptile "the T. rex of the ocean."
full article here. http://news.nationalgeographic.com/news/2008/02/080226-sea-monsters.html