More than 20 years ago, the BBC’s “Walking with Dinosaurs” TV documentary series showed a 25-meter-long Liopleurodon. This sparked heated debates over the size of this pliosaur as it was thought to have been wildly overestimated and more likely to have only reached an adult size of just over six meters long.
Click here for original story, Giants of the Jurassic seas were twice the size of a killer whale, says study
Source: Phys.org