An artist's rendition of two gualicho shinyae, a predator with tiny arms like a T-Rex, but not closely related to T-Rex, preying upon a smaller dinosaur. Photo: Jorge González and Pablo Lara

Scientists discover dinosaur that had arms like a T Rex

But the newly discovered creature was from a different branch of the dinosaur family tree than the T-Rex, suggesting the trait developed independently

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An artist's rendition of two gualicho shinyae, a predator with tiny arms like a T-Rex, but not closely related to T-Rex, preying upon a smaller dinosaur. Photo: Jorge González and Pablo Lara
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