Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious group of dinosaurs called megaraptorans. They prowled across what is now South America, Australia and parts of Asia, splitting off into different species over millions of years. PA Media What the dinosaur may have looked like, with the bones that were uncovered in blue. Mr Ibiricu named the new dinosaur in memory of his son Joaquin.