Skeleton judged to be one of the largest and most complete ever unearthed was excavated on a ranch in South DakotaA vast, fossilized Tyrannosaurus rex nicknamed Gus sold at Sotheby’s in New York on Tuesday for $50.1m with fees (£37.

Skeleton judged to be one of the largest and most complete ever unearthed was excavated on a ranch in South DakotaA vast, fossilized Tyrannosaurus rex nicknamed Gus sold at Sotheby’s in New York on Tuesday for $50.1m with fees (£37.