The first-ever near-complete sauropod skull found in Australia is remarkably similar to fossils from South America, which suggests that dinosaurs roamed across ice-free Antarctica.
A nearly 100 million-year-old, exceptionally well-preserved sauropod skull discovered in Australia may show that dinosaurs trudged across Antarctica from South America to Australia, researchers have revealed.
Paleontologists excavated the specimen in 2018 from a sheep ranch northwest of Winton, in Queensland, Australia, and nicknamed it"Ann." D. matildae was as long as a tennis court and weighed around 27.5 tons , three times more than Tyrannosaurus rex. The fossils look strikingly similar to bones unearthed in Argentina, which prompted researchers to think that sauropods journeyed between South America and Australia, via Antarctica.
Now, in a study published Wednesday in the journal Royal Society Open Science , researchers compared the best-preserved sauropod skull found to date in Australia with others from across the world. Researchers already suspected that these two dinosaurs were closely related, but until now, they lacked the evidence to back it up."The new skull shores up the idea in a big way," Poropat wrote in The Conversation ."Bone for bone, the skulls of Diamantinasaurus and Sarmientosaurus are extremely similar.
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