rex is said to be one of the biggest and best specimens in the world A skeleton of a 67 million-year-old Tyrannosaurus rex ... increasing number of dinosaur fossils ending up in private collections.

An curved arrow pointing right. In Hell Creek Formation, Montana, paleontologists have uncovered a 66.3-million-year-old T-rex fossil with the skull still intact. Follow BI Video: On Twitter More ...

A near-complete specimen of Tyrannosaurus rex, nicknamed "Stan", has been sold for a world record price of $31.8m (£24.6m). The 67-million-year-old fossil went to an anonymous bidder in the sale ...