Megaraptorids are known for somewhat small but sharp teeth, air-filled bones, and powerful forelimbs with enormous claws. These dinosaurs have mostly been found in southern continents.

Between 122 and 108 million years ago, the Australian landmass was much farther south than today. Victoria was positioned within the Antarctic Circle, separated from Tasmania by a vast rift valley rather than open sea.

Over 100 million years ago, Australia's dinosaurs shared links with South America's due to the continents' connection through Antarctica. Fossils reve