The discovery of a dinosaur related to Tyrannosaurus rex has led researchers to speculate their tiny arms were used during mating
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Meraxes gigas was unearthed in Argentina and is thought to have weighed around four tons, a study says. Its discovery helped scientists understand some of the uses short-armed theropods may have had for their diminutive forelimbs. Juan Canale, the lead author of the study, said:"I'm convinced that those proportionally tiny arms had some sort of function."
Mr Canale, of the Argentine research agency CONICET, said that although the arms were too short for hunting,"I'm inclined to think that they were used in other kinds of activities, like holding the female during mating or help in raising the body from a prone position."Despite being around 12 metres long, the creature had front limbs only 60cm in length.
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