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.

This colossal footprint hints at the existence of a truly gigantic dinosaur – potentially larger than even the fearsome ...

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.