Nanotyrannus skeleton to be auctioned in New York, estimated up to $9m
Sale of newly-confirmed dinosaur genus sparks debate over private fossil ownership
The mounted skeleton of a Nanotyrannus, a dinosaur recently confirmed to be a distinct genus from Tyrannosaurus rex, will be auctioned by Sotheby's in New York on Tuesday with an estimate of at least $6m (£4.5m) and expected to fetch up to $9m.