South Africas own personal behemoth is revealed, a 200-million-year-old dinosaur! Enjoy! ROAR! ▻ Subscribe now and join me on a journey back in time!\r \r Hi, I am ThePrehistoricMaster. If youre interested in paleontology and the ancient animals that once roamed this planet, then my YouTube channel is the perfect .\r \r The bones of a dinosaur believed to be the largest creature ever to walk the earth were discovered in Argentina. Palaeontologists in Argentina believe they have .\r \r Buenos Aires - Paleontologists in Argentinas remote Patagonia region have discovered fossils of what was likely the largest dinosaur ever to roam the earth.