Scientists on Thursday unveiled the discovery of a gigantic mammal-like reptile the size of an elephant that they believe rubbed shoulders with large Triassic-era dinosaurs, including the relatives of sauropods such as Diplodocus and Brachiosaurus.

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Scientists on Thursday unveiled the discovery of a gigantic mammal-like reptile the size of an elephant that they believe rubbed shoulders with large Triassic-era dinosaurs, including the relatives of sauropods such as Diplodocus and Brachiosaurus.