a fossil unearthed on the isle of skye is the largest pterosaur ever discovered from thejurassic period. the ancient flying reptile had a wing span of 2.5 metres — or eight feet — and would have flown over the heads of dinosaurs 170—million years ago. here is our science correspondent victoria gill. these look a little bit like there might be teeth. and it's pretty symmetrical. hidden in the rock for 170—million years, the teeth and bones of a jurassic reptile. after racing the tide to cut out the limestone that entombed their discovery, the team had a rockyjourney to bring it back to their lab. but here they've revealed the secrets of this isle of skye pterosaur that they've named dearc sgiathanach, gaelic for winged reptile. i think it's a lot clearer if we put the head back on, so we remove the head to cat scan it, but we can put it right back there, doing it up with the neck and you can see