The Tyrannosaurus rex fossil nicknamed Gus, discovered in 2021 and excavated between 2021 and 2023 on private land in South Dakota, sold for $50.1 million at Sotheby's in New York. The specimen, over 60 percent complete and standing 3.8 meters tall, set a new auction record for dinosaur fossils. The sale occurred via phone bid above the $20-30 million pre-sale estimate.