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The forelimb preserves parts of the wing skeleton on the main slab
Males may have had larger crests than females
About 20 million years ago a dense tropical forest
Despite their African ancestry
and additional hidden structures were also extrapolated from the X-radiographs
Giganotosaurus, tooth Argentinosaurus The forelimb preserves parts ofGiganotosaurus and Pronounced (JIG ah NOT oh SAWR us) meaning "giant southern reptile" it was one of the largest meat eating dinosaurs. This theropod was slightly longer than T. rex. It was about 43 ft (13 m) long and weighed roughly 8 tons. It lived during the mid Cretaceous period, about 100 95 million years ago. Its fossil was unearthed in the Patagonia region of Argentina (in southern Argentina) in 1994. This fossil replica is from the largest
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