Brazilian researchers discovered a 237-million-year-old reptile fossil that might be a precursor to the dinosaur, though only the size of a small dog. As one of the world’s oldest fossils, they discovered a new species of silesaurids – an extinct family from the Late Triassic period.

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Scientists from Brazil say a recently discovered fossil may help explain how dinosaurs evolved and came to rule the planet. The bones date back to approximately 237 million years ago, making them contemporary to the Middle-Upper-Triassic period of history,

Paleontologist Rodrigo Temp Muller with Universidade Federal de Santa Maria, working with colleagues in Brazil, has confirmed the finding of one of the oldest dinosauromorph fossils ever uncovered in South America.

Thelatest find in Brazil may provide light on the genesis of dinosaurs. Scientists recently disclosed a fossilised specimen believed to be one of the oldest known, going back around 237 million years.

In the heat of southern Brazil, long before dinosaurs ruled the world, a small reptile wandered the land, oblivious to the history it was about to shape. Now, nearly 237 million years later, that creature’s fossil has resurfaced,