The fossil is that of a Gorgosaurus ... bestow a nickname on the one-time apex predator. The sale is the second-ever of a fossilised dinosaur skeleton auctioned by Sotheby's.

Sales of dinosaur fossils are rare, with only a small number taking place each year globally - although some experts have raised concerns about specimens finding their way into private hands.

In an extraordinary paleontological finding, researchers have uncovered a series of massive dinosaur ... the fossil record. "But a skeleton is a record of the animal once it's died. Footprints ...