So Giganotosaurus might've been slightly longer than T. rex, making it a contender for the largest carnivorous dinosaur. On the other hand, a 2014 paper published in the journal Plos Biology ...

New study yields surprising results Researchers uncover the surprising reason why T.Rex's arms are so short ... distinct from the bulkier T. rex. Giganotosaurus Time Period: Lived around 98 ...

The largest meat-eating dinosaurs lived in completely different eras and on totally different continents. Sergey Krasovskiy/Stocktrek Imag / Getty Images/Stocktrek Images ...