Fossil bones from the largest dinosaurs ever known to walk Australia were yesterday unveiled in a find, which scientists said, shed new light on the country?s prehistoric past. The remains of two Titanosaurs, nicknamed Cooper and George, were uncovered by farmers near the outback town of Eromanga in south-west Queensland state in 2005 and 2006, but were kept secret to allow investigation by dinosaur-hunting scientists.

?We were mustering cattle on motorbikes when we found fragments of the big one, Cooper. My 14-year-old son found the other one,? farmer Stuart MacKenzie told local media.

The finding is likely to change understanding of how big dinosaurs grew in Australia, and their range across the country, with the latest discovery being further south than previous discoveries.