The skeleton of a Stegosaurus, named "Apex," has officially taken the title of the most expensive fossil ever sold, with a confirmed final bid price of $44.6 million, according to Sotheby's ...

Citadel hedge fund founder Ken Griffin has bought the largest and most complete stegosaurus fossil ever found for a record $44.6m (£34.3m). The dinosaur fossil, dubbed “Apex,” was auctioned ...