Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...

But in Australia, since the oldest fossilized dinosaur bones come from the Middle Jurassic, about 160 million years ago, ...

“footprint fossils are the only direct evidence our country has of the types of dinosaurs we had here (during earlier times),” Romilio said. What’s more, the slab provides a rare glimpse ...