Summary:

- This article discusses the discovery of a new species of dinosaur called the Meraxes gigas, which lived in what is now Argentina around 90 million years ago.

- The Meraxes gigas was a type of theropod dinosaur, which were meat-eating dinosaurs that walked on two legs. It had a large head and teeth designed for tearing meat, as well as a long neck and tail.

- Paleontologists were able to study a nearly complete skeleton of the Meraxes gigas, which provided important insights into the evolution and anatomy of this ancient creature.