Before this, a T-rex dinosaur fossil named Sue which was in the Field Museum in Chicago, was sold for $8,36m.
It is estimated that there is around 20 Gorgosaurus fossil found to date. This one is the only Gorgosaurus that belongs to private hands.
This monster that lived 77 million years ago, was a bit smaller than its cousin T-rex, but it was considerably faster and had a strong jaw.
Gorgosaurus' has also a hand with two fingers.
This fossil, discovered in a private land in Montana, US, is 3 meters tall, 6,6 meters long and consists of 79 pieces.
