Groundbreaking research has unveiled fossils of the world’s oldest megaraptorid and the first carcharodontosaur remains found in Australia. These discoveries, published in the Journal of Vertebrate Paleontology,

Research published today in the Journal of Vertebrate Paleontology has unveiled a landmark discovery—fossils of the world's oldest known megaraptorid and the first evidence of carcharodontosaurs in Australia.

One branch of theropods were giants in South America while another filled smaller niches, but in Australia they reversed roles.