An unusual result of relentless rains causing historic flooding in southern Brazil has been the revelation of a “very well-preserved” dinosaur fossil dating back some 200 million years.

The fossil was first identified in May near the city of Sao Joao do Polesine, some 280 kilometres (170 miles) west of Porto Alegre, in a part of the Brazilian pampas dubbed the country's 'El ...

“Experts speculate that the dinosaur may have been buried under sand and gravel after death, then washed to the surface by a large flood ... activity made it difficult for fossil preservation.