Tiny arms might be useful for T-Rex sex

Were the short arms of T-Rex useful for mating practices? The discovery of a new dinosaur species called Meraxes gigas could support this idea.

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Argentina ,Jorgea Gonzalez ,Juan Canale ,Ernesto Bachmann Paleontological Museum In Neuqu ,Late Cretaceous ,Jurassic Park ,Ernesto Bachmann Paleontological Museum ,Current Biology ,