A team of Brazilian scientists has discovered a fossilized skeleton of what they believe is one of the world’s oldest dinosaurs after heavy rains in the southern state of Rio Grande do Sul accelerated the natural process of erosion. A team of Brazilian scientists has discovered a fossilized skeleton of what they believe is one of the world’s oldest dinosaurs after heavy rains in the southern state of Rio Grande do Sul accelerated the natural process of erosion. Paleontology & Fossils Phys.org – latest science and technology news stories