Just when you thought dinosaurs couldn't get any older, the oldest dinosaur has been found in Africa, a new study says.
The fossils push back the dawn of the dinosaurs to around 240 million years ago—about 10 to 15 million years earlier than previously thought, scientists say.
Dubbed Nyasasaurus parringtoni, the animal is only known from an upper arm and some back bones discovered in Tanzania in the 1930s but only recently studied in detail.
Prior to the new analysis, the oldest known dinosaur fossils belonged to small, lightly built, meat-eating creatures found in South America that dated to around 230 million years ago.
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